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Connecticut Contractor Licenses

The Connecticut Contractor Department of Consumer Protection (DCP), the Department of Public Health (DPH),and the Department of Administrative Services (DAS) are the official divisions in charge of issuing Contractors' Licenses. Those departments determine the qualifications of applicants before licensing, set forth conditions for licenses, and establish contractual limits. As a result, different requirements could apply depending on the profession and the type of work to be conducted. Most Connecticut Contractor Licenses require candidates to take and pass examinations as part of the application process.

Most of the applicants in the Department of Consumer Protection (DCP) must take an apprenticeship course related to the trade, pass the Business And Law Contractor Examination and the specific trade examination for the classification requested. PSI© is the testing company responsible for administering the tests necessary for getting a Connecticut Consumer Protection (DCP) Contractor License.

Below are the current Connecticut Licenses and Registrations with their specific scope of work, application procedures, contact details, and valuable educational resources.

Business and Law Examination

Examination required for some licenses under the Department of Consumer Protection, which tests general research skills in addition to category-specific knowledge

Accessibility (R-5)

Installation, repair, and maintenance work on defined equipment, excluding multi-floor platforms

Accessibility Journeyperson (R-6)

Must be employed by a Licensed Elevator Contractor to repair, install, and maintain work on defined equipment, excluding multi-floor platforms

Antenna Installation and Repair Technician (V-6)

Perform the installation of all antenna systems, including single and MATV

Asbestos

Work in asbestos abatement projects and employ workers to conduct such work

Asbestos Abatement Supervisor

Oversight of onsite asbestos abatement projects under federal law provisions and regulations

Asbestos Abatement Worker

Carries out all stages of asbestos abatement, including setting up the regulated zone with barriers, tape, and signage

Asbestos Consultant - Inspector

Identifies or collects bulk samples of suspected asbestos-containing material and could perform pre-renovation or pre-demolition inspections

Asbestos Consultant - Inspector / Management Planner

Assesses asbestos hazards and develops management plans based on data collected by inspectors, accredited as both Inspectors and Management Planners

Asbestos Consultant - Project Designer

Prepares plans and designs for asbestos abatement projects. Required for all asbestos response actions in schools except for spot repairs

Asbestos Consultant - Project Monitor

Oversees Asbestos Contractors' work on-site, conducts post-abatement inspections, final sampling, and waste air clearance tests

Boiler Maker (BM-1)

Alter, repair, and install exhaust and air systems at electric generation facilities, and power plants, also perform on-site fabrication of boiler and pressure vessels

Boiler Maker Journeyperson (BM-2)

Replace, repair, install, and alter exhaust and air systems at electric generation facilities, and on-site fabrication of boilers. Must work under a Licensed Boiler Maker (BM-1) Contractor

Certified Electronic Technician, Unrestricted (V-2)

Employed by a service dealer, performing installation, maintenance, repair, replacement, inspection, and modification of television and radio receiving equipment

Crane Operator

Safe operation of cranes or hoisting equipment, shift inspection and maneuvering skills apply load chart information and follow safe shutdown and securing procedures

Crane Operator Apprentice

Under direct supervision of a Licensed Operator, safely operate cranes or hoisting equipment, demonstrate shift inspection and maneuvering abilities, use load chart information, and adhere to safe shutdown and securing procedures

Demolition (A)

Engage in demolition operations, including the dismantling, wrecking, or removal of structures and buildings, not including the demolition of single-family residences or outbuildings exceeding thirty feet in height

Demolition (B)

Participate in demolition operations

Driller Trainee

Performs drilling work only while under the supervision of a Registered Contractor Driller. They may also do minimal cleaning work while not being supervised

Electrical Lines (L-1)

Electrical line construction for public and private companies, including high-voltage cable splicing and pulling wire for systems over 2,400 volts, and installation, maintenance, and repair of traffic signals and highway lighting

Electrical Lines Journeyperson (L-2)

Electrical line construction work such as the installation, maintenance, and repair for public and private companies, high-voltage cable splicing, traffic signal, and highway lighting. Required to be employed by a Licensed Electrical Lines (L-1) Contractor

Elevator Apprentice Trainee

Can only perform work under the direct supervision of a Licensed Elevator-related individual, with a limit of one trainee per person on site

Glazier (Flat) (FG-1)

Execute the installation, upkeep, or restoration of glass in structures intended for residential or commercial use

Glazier Journeyperson (Flat) (FG-2)

Upkeep, installation, or mending of glass in residential or commercial buildings, but only while working for a Licensed Contractor

Hearth Product Gas Limited (HPG-1)

Install, service, or repair propane or natural gas-fired fireplaces, stoves, inserts, log sets, and associated venting and piping. Does not include pressure regulating devices, fuel piping work, or servicing

Hearth Product Limited Journeyperson (HPG-2)

Repair, service, and install the associated venting and piping for propane or natural gas fireplaces. Excluding fuel piping, servicing fuel piping, and work related to pressure-regulating devices. Work must be performed while employed by a Licensed Contractor

Hoisting Equipment Operator

Operates motorized equipment for construction, demolition, or excavation work with a manufacturer's rated lifting capacity of over 5 tons

Home Improvement

Home improvement work on residential property, which includes any permanent change to the property such as driveways, swimming pools, garages, and landscaping, does not cover subcontracted work, commercial property, or property maintenance

Home Inspector (H-1)

Performs a thorough examination and provides a written assessment of two or more particular elements of a residential building

Lead Abatement

Lead hazard reduction through abatement, using only Certified Lead Abatement Supervisors and Workers as required by the Connecticut Department of Public Health

Lead Abatement - Supervisor Certification

Supervise lead abatement activities

Lead Abatement - Worker Certification

Removing or encapsulating lead-based paint or other lead-contaminated materials. Must work under the employment of a Licensed Lead Abatement Contractor

Lead Consultant

Lead hazard reduction consultation work by utilizing DPH-Certified Lead Inspectors, Risk Assessors, and Project Designers

Lead Inspector

Determines the presence of lead-based paint and surface coverings, lead in soil, dust, and drinking water using on-site testing methods and collects samples for laboratory analysis

Lead Inspector Risk Assessor

Assessing lead-based paint hazards, including lead hazards in paint, dust, drinking water, and soil. Must be employed by a Licensed Lead Consultant from the CT Department of Public Health

Lead Planner Project Designer

Designs lead abatement and management activities and works under a Lead Consultant Contractor who holds a valid license from the DPH

Limited Antenna Dish (V-5)

Maintenance, installation, repair, replacement, inspection, and modification of dish antennas and associated wiring and receiving equipment for dishes that are one meter or less in diameter

Limited Antenna Dish Technician (V-4)

Servicing, installing, maintaining, repairing, replacing, inspecting, and modifying dish antennas and related equipment for direct broadcast satellite service or fixed wireless signal transmission

Limited Conveyor (R-7)

Install, maintain, alter, or repair equipment, apparatus, or machines used for conveying materials. Conveyors must be fixed in place and cannot be freight elevators

Limited Conveyor Journeyperson (R-8)

Work on machines used to convey materials, while employed by a Licensed Contractor. The work can be limited to fixed conveyors, both permanent and temporary

Limited Direct Exchange Geothermal (W-9)

Constructs geothermal boreholes or systems using a direct exchange or direct expansion technology, including drilling, installation, repair, and maintenance of associated piping, casing, and heat transfer media up to the manifold connection

Limited Direct Exchange Geothermal Driller (W-10)

Piping, casing, and heat transfer media and construction of geothermal boreholes or systems. Work must be done while under employment of a Licensed Contractor

Limited Electrical (C-5)

Low voltage work for alarm, signal, audio and sound systems, and telephone-interconnect systems

Limited Electrical Journeyperson (C-6)

Low voltage work for alarm, signal, audio and sound systems, and telephone-interconnect systems. Can only perform this work while working for a Licensed Electrical Contractor

Limited Electrical (L-5)

Install and repair low voltage systems for alarm, signal, and audio/sound purposes. No telecommunication work except for connecting alarm systems to existing telephone lines for monitoring

Limited Electrical Journeyperson (L-6)

Low voltage work for alarm, signal, audio, and sound systems also installs interface wiring from an alarm system to an existing telephone connection for monitoring purposes while employed by a Licensed Limited Electrical (L-5) Contractor

Limited Electrical (T-1)

Work on telephone-interconnect systems that start from an outlet or connection installed previously

Limited Electrical Journeyperson (T-2)

Telephone-interconnect systems that begin from a pre-installed outlet or connection while employed by a Licensed Electrical Contractor

Limited Electrical Sign (C-7)

Setting up, repairing, inspecting, and checking electric signs that should start at a specific outlet or connection that is located immediately next to the sign

Limited Electrical Sign Journeyperson (C-8)

Electric signs only while employed by a Licensed Contractor

Limited (F-3)

Fire suppression systems, such as foam extinguishing systems, special hazard systems, and other liquid or gas fire suppression systems

Limited Gas and Oil Burner (B-1)

Install, maintain, and repair gas or oil burners for domestic and light commercial use, where a burner consuming less than five gallons per hour is considered as such

Limited Gas and Oil Burner Journeyperson (B-2)

Gas or oil installations for domestic and light commercial purposes

Limited Gas and Oil (B-3)

Perform the installation, maintenance, and repair of gas or oil burners

Limited Gas and Oil Journeyperson (B-4)

Setting up, repairing, and mending of any gas or oil-fired burner and only while employed by a Licensed Contractor

Limited Gasoline Tank, Piping, and Pump (P-9)

Piping related to petroleum tanks and pumping equipment

Limited Gasoline Tank, Piping, and Pump Journeyperson (P-8)

Petroleum tank piping and associated pumping equipment, which includes installation, repair, replacement, alteration, or maintenance, and must be performed by someone employed by a Licensed Contractor

Limited Geothermal (W-7)

Constructing geothermal boreholes or systems, up to the manifold connection, including installing, repairing, and maintaining piping, casing, heat transfer media, pumps, pump motors, and valves

Limited Geothermal Driller (W-8)

Drilling geothermal boreholes and associated equipment up to manifold connection

Limited Heating and Cooling (Valves) (VT-1)

Valves of all classes and types can be inspected, maintained, repaired, replaced, assembled, and disassembled

Limited Heating and Cooling Journeyperson (Valves) (VT-2)

All types and classes of valves. Must work under a Licensed Limited Heating and Cooling (Valves) (VT-1) Contractor

Limited Heating Cooling (MT-1)

Machining operations on permanent plant equipment at nuclear, fossil, or petrochemical facilities, including pipe prepping, milling, flange facing, tapping, and threading

Limited Heating Cooling Journeyperson (MT-2)

Machining operations, including pipe prepping, milling, and threading on permanent plant equipment at nuclear, fossil, or petrochemical facilities. Must be employed by a Licensed Limited Heating Cooling (MT-1) Contractor

Limited Heating Cooling (S-9)

Hot water or steam heating systems for buildings not exceeding three stories, and some cooling systems, also the installation and service of oil burners or natural gas piping

Limited Heating Cooling Journeyperson (S-10)

Installation and servicing of heating and cooling systems for buildings under 3 stories and cooling installation up to 35 tons. Must be employed by a Limited Heating Cooling (S-9)

Limited Heating-Cooling (D-3)

Refrigeration systems used in food storage, air conditioning, or specialized process systems

Limited Heating-Cooling Journeyperson (D-4)

Refrigeration systems in food storage, air conditioning, and specialized process systems

Limited Heating, Cooling and Piping (S-3)

Heating systems, including boilers, pumps, and oil burners, as well as hot/chilled/condenser water and steam piping in air conditioning systems; Does not cover sheet metal work or refrigeration systems

Limited Heating, Cooling, and Piping Journeyperson (S-4)

Heating systems, boilers, steam equipment, and oil burners install certain types of piping in air conditioning systems, but only under the employment of a Licensed Limited Heating, Cooling, and Piping S-3 Contractor

Limited Heating, Piping, and Cooling (G-1)

Gas piping systems, approved gas appliances, and accessories for both LP gas supplied by gas containers and natural gas

Limited Heating, Piping, and Cooling Journeyperson (G-2)

Servicing gas piping systems, appliances, and accessories, including installation, repair, replacement, alteration, and maintenance, for both LP gas supplied by gas containers and natural gas while employed by a Licensed Contractor for such work

Limited Hoists, Cranes, and Lifts (R-9)

Install, repair, maintain, or alter hoists, overhead hoists, lifts, cranes, monorails, and underhung cranes. Excluding freight elevator work

Limited Hoists, Cranes, and Lifts Journeyperson (R-10)

Install, maintain, alter, or repair equipment used to hoist or lift materials, such as hoists, lifts, or cranes, but only while employed by a Licensed Contractor. The license does not cover work on freight elevators or cranes

Limited (J-1)

Perform work only related to water conditioning and domestic water pumps

Limited Journeyperson (F-4)

Works on various fire suppression systems such as foam, water spray, carbon dioxide, dry chemical, halon, and other liquid or gas systems, while employed by a Licensed Contractor

Limited Journeyperson (S-8)

Work on hot water or steam heating systems for buildings, including the servicing and installation of oil burners, gas piping, and burners while being employed under a Licensed Contractor

Limited Lawn Sprinkler (J-3)

Maintenance, repair, alteration, replacement or installation of lawn sprinkler systems

Limited Lawn Sprinkler Journeyperson (J-4)

Installation, repair, replacement, alteration, and maintenance of lawn sprinkler systems, but only while employed by a Licensed Plumbing Contractor

Limited Multipurpose Residential Sprinkler (F-5)

Install, repair, maintain, and renovate multipurpose residential fire sprinkler systems in one- and two-family residential dwellings and mobile manufactured homes

Limited Multipurpose Residential Sprinkler Journeyperson (F-6)

Install, maintain, repair, and renovate multipurpose residential fire sprinkler systems in one- and two-family residential dwellings and mobile manufactured homes while in the employment of a Licensed Contractor

Limited Non-Water-Supply (W-3)

Construction of non-water-supply wells and installation, repair, and maintenance of associated equipment

Limited Non-Water-Supply Driller (W-4)

Construct non-water-supply wells and perform related work on pumps, piping, valves, electric controls, and tanks. The work can only be done while employed by a Licensed Contractor

Limited Operating Engineer Journeyperson (OE-2)

Manipulating, controlling, and monitoring heating, air conditioning, refrigeration systems, and boilers, but not replacements or revisions to existing piping. The work must be done while employed by a Licensed Contractor or Building Owner

Limited Process Piping (PP-1)

Process piping, used directly in the production of chemicals or products for human consumption

Limited Process Piping Journeyperson (PP-2)

Process piping, used in the production of a product for human consumption, only while employed by a Licensed Contractor

Limited (S-7)

Steam pressure and hot water or steam heating systems for buildings. Installation and servicing of oil burners, gas burners, and piping

Limited Sewer, Storm, and Water (P-7)

Water, sewer, and storm lines from the utility responsibility point to inside a structure work

Limited Sewer, Storm, and Water Journeyperson (P-6)

Installing pipes for water, sewer, and storm lines, starting from the utility responsibility point to the inside of a building, but only employed by a Licensed Contractor

Limited Sheet Metal Hood Systems (SM-5)

Work on ferrous and nonferrous ductwork systems for hood ductwork systems, excluding pneumatic conveyance systems

Limited Sheet Metal Journeyperson Hood Systems (SM-6)

Ferrous and nonferrous ductwork systems for hood ductwork systems, excluding pneumatic conveyance systems, the work must be done under the employment of a Licensed Contractor

Limited Sheet Metal (SM-1)

Limited work with any size duct system, excluding pneumatic conveyance systems

Limited Sheet Metal Journeyperson (SM-2)

Erection, repair, placement, or alteration of any ductwork system, for ductwork systems of any size and type, does not include pneumatic conveyance systems, only while in the employment of a Licensed Contractor

Limited Sheet Metal Residential/Light Commercial (SM-3)

Ferrous and nonferrous ductwork systems for residential and light commercial buildings with specific limitations on size. Pneumatic conveyance systems are not included

Limited Sheet Metal Residential/Light Commercial Journeyperson (SM-4)

Not including pneumatic conveyance systems, works on ferrous and nonferrous ductwork systems for residential and light commercial buildings must be done under the employment of a Licensed Contractor

Limited Solar Electric (PV-1)

Services in photovoltaic and wind generation systems for solar electric systems

Limited Solar Electric Journeyperson (PV-2)

Limited work on photovoltaic or wind generation systems, including storage and distribution of such energy, while employed by a Licensed Contractor

Limited Spa and Pool (SP-1)

Plumbing, heating, and electrical work for maintaining and repairing swimming pools, hot tubs, and spas

Limited Spa and Pool Journeyperson (SP-2)

Swimming pool and spas services only while the licensee is in the employment of an SP-1 Licensed Contractor

Limited Warm Air, Air Conditioning and Refrigeration System (D-1)

Services and alter warm air, AC, and refrigeration systems, including necessary piping and associated pumping equipment, excludes oil burner installation and servicing

Limited Warm Air, Air Conditioning and Refrigeration System Journeyperson (D-2)

Installation, repair, replacement, maintenance, and alteration of warm air, air conditioning, and refrigeration systems, excluding oil burners. Work must be completed while employed by a Licensed Contractor

Limited Welding (G-9)

Limited to welding process for pipe and associated fittings and materials

Limited Welding Journeyperson (G-8)

Perform limited welding work on pipes and associated fittings materials only while working for a Licensed Contractor

Limited Well Casing Extension (W-5)

Well casing extension, repair, and maintenance work is limited only to the well casing extension and does not include any other parts of the well

Limited Well Casing Extension Journeyperson (W-6)

Extension work and casing service only while employed by a Licensed Contractor

Limited Well Pumps and Piping Journeyperson (J-2)

Work limited to domestic water pumps and water conditioning only while in the employment of a Licensed Contractor

Maintenance and Repair Trainees Cleaning and Backwash

Work on the draining, acid washing, and backwash filtration of a swimming pool under the direct supervision of a Licensed Swimming Pool Maintenance and Repair Contractor or Journeyman

Major

Operate in construction, repair, alteration, or dismantling of structures or additions that exceed threshold limits

Master Antenna Installation and Repair Dealer (V-7)

Engage in Master Antenna work, including the installation of any type of single, antenna, and MATV systems

Mechanical

Provide plumbing, cooling, heating, and piping work services to the public

Medical Gas & Vacuum Systems (MG-1)

Construction, installation, alteration, repair, or maintenance of gas and vacuum systems and equipment used solely to transport gases for medical purposes

Medical Gas & Vacuum Systems (MG-2)

Engage in the construction, installation, alteration, repair, or maintenance of gas, vacuum systems, and equipment used solely to transport gases for medical purposes to remove liquids, air gases, or solids from such systems

New Home Construction

Any business or person that constructs a new home or contracts with a consumer to sell a new home or any portion of it before occupancy

Public Service Gas Technician

Engage in the supervision or performance of gas service work. This includes the repair, alteration, or maintenance of equipment, appliances, accessories, or fixtures within or adjacent to a building or structure in connection with the utilization of gas supplied by a public service company

Public Service Telecommunications Technician

An employee of a Public Service Company or Certified Telecommunications Provider, or any affiliate of any such company or provider, who is engaged in telecommunications electrical work

Radio Certified Electronic Technician (R-2)

Perform radio and audio installation, repair, and maintenance only as an employee of a service dealer

Radio Service Dealer, Certified Electronic Technician, Owner (R-1)

Operate an unrestricted radio and audio sales/service business with a focus on servicing receiving equipment

Service Dealer, Certified Electronic Technician Owner, Unrestricted (V-1)

Repair and install televisions, radios, stereos, and antennas, as well as perform maintenance, inspection, and modification of receiving equipment

Solar Thermal (ST-1)

Work on the installation, maintenance, and altercation of hybrid solar systems that directly convert ambient energy into heat

Solar Thermal Limited Journeyperson (ST-2)

Engage in the installation, replacement, alteration, or maintenance of active, passive, and hybrid solar systems under the employment of a Licensed Contractor

Solar Thermal (STC-1)

Perform erection, replacement, and repair of active, passive, and hybrid solar systems that directly convert ambient energy into heat

Solar Thermal Limited Journeyperson (STC-2)

Perform solar thermal systems work only while employed by a Licensed Contractor. Which consist of the installation, repair, and maintenance of active, passive, and hybrid solar systems

Subsurface Sewage Cleaner

Services of cleaning or subsurface sewage disposal systems

Subsurface Sewage Installer

Perform services of construction, installation, repairing, cleaning, or subsurface sewage disposal systems

Swimming Pool Builder (SPB)

Work on the construction and installation of in-ground swimming pools, permanent spas, or structures intended for swimming. Including the installation of tiling, decking, and circulation equipment

Telecommunications Layout Technician

Perform the structured cabling and creation of designs for voice and data telecommunications

Unlimited (Fire Sprinkler) (F-1)

Perform all fire protection sprinkler system work

Unlimited Journeyperson (Fire Sprinkler) (F-2)

Engage in all fire protection sprinkler system work while employed by a Licensed Contractor

Unlimited Electrical (E-1)

Perform all electrical work

Unlimited Electrical Journeyperson (E-2)

Engage in all electrical work under the supervision of a Licensed Contractor

Unlimited Elevator (R-1)

Work on all elevator repair, maintenance, and installation work

Unlimited Journeyperson Elevator (R-2)

Perform the installation, maintenance, and repair of elevators while employed by a Licensed Elevator Contractor

Unlimited Heating, Piping, and Cooling (S-1)

Engage in all heating, piping, and cooling work

Unlimited Heating, Piping, and Cooling Journeyperson (S-2)

Perform all types of heating, piping, and cooling work, but only while working for a Licensed Contractor

Unlimited Plumbing (P-1)

Engage in work related to piping and plumbing

Unlimited Journeyperson Plumber (P-2)

Perform all plumbing and piping work, but only under the employment of a Licensed Contractor

Unlimited Well Driller (W-1)

Participate in the construction of wells

Unlimited Well Driller (W-2)

Work on the construction of wells, including servicing of pump motors, pump piping, valves, wiring, electric controls, and tanks. Only while employed by a Licensed Contractor


Department of Consumer Protection (DCP)

The CT Department of Consumer Protection (DCP) administers and regulates matters related to contractors, oversees licensing examinations, and issues licenses. It makes all necessary regulations, establishes the amount and type of experience and training required to qualify for a license, and determines the specific area of trade. The Department also investigates licensees for incompetence or failure to perform work and takes appropriate disciplinary action. In addition, the DCP administers professional boards. Each has yearly scheduled meetings and is responsible for reviewing, establishing, and maintaining the educational training and examination standards, which each applicant must demonstrate before a license issuance. There is a total of six DCP construction boards:

The Department of Consumer Protection (DCP) offers all contractors the possibility to make a career in building trades. Therefore, it provides apprenticeship programs in conjunction with the Department of Labor (DOL).

In Connecticut, there are three main types of licenses: Major (major construction, structural repair, alteration, or demolition projects), Home Improvement (permanent change to residential property), and New Home Construction (new home building before occupancy), also the trades in the DCP Board are divided into different categories.

Connecticut Contractor DCP Licensing Categories

  • Crane and Conveyor
    • Limited Conveyor Journeyperson (R-8)
    • Limited Conveyor (R-7)
    • Limited Hoists, Cranes, and Lifts Journeyperson (R-10)
    • Limited Hoists, Cranes, and Lifts (R-9)
  • Electrical
    • Electrical Lines (L-1)
    • Electrical Lines Journeyperson (L-2)
    • Limited Electrical (C-5)
    • Limited Electrical Journeyperson (C-6)
    • Limited Electrical Journeyperson (L-6)
    • Limited Electrical Journeyperson (T-2)
    • Limited Electrical (L-5)
    • Limited Electrical (T-1)
    • Unlimited Electrical (E-1)
    • Unlimited Electrical Journeyperson (E-2)
  • Elevator Work
    • Accessibility Journeyperson (R-6)
    • Accessibility (R-5)
    • Unlimited Elevator (R-1)
    • Unlimited Journeyperson Elevator (R-2)
  • Fire Protection
    • Limited F-3
    • Limited Journeyperson (F-4)
    • Limited Multipurpose Residential Sprinkler (F-5)
    • Limited Multipurpose Residential Sprinkler Journeyperson (F-6)
    • Unlimited (Fire Sprinkler) (F-1)
    • Unlimited Journeyperson (Fire Sprinkler) (F-2)
  • Flat Glass and Automotive Glass Work
    • Glazier (Flat) (FG-1)
    • Glazier Journeyperson (Flat) (FG-2)
  • Hearth Product Work
    • Hearth Product Gas Limited (HPG-1)
    • Hearth Product Limited Journeyperson (HPG-2)
  • Heating Cooling and Sheet Metal Work
    • Boiler Maker (BM-1)
    • Boiler Maker Journeyperson (BM-2)
    • Limited Gas and Oil (B-3)
    • Limited Gas and Oil Burner (B-1)
    • Limited Gas and Oil Burner Journeyperson (B-2)
    • Limited Gas and Oil Journeyperson (B-4)
    • Limited Heating Cooling Journeyperson (S-10)
    • Limited Heating Cooling (S-9)
    • Limited Heating-Cooling (D-3)
    • Limited Heating-Cooling Journeyperson (D-4)
    • Limited Heating, Cooling and Piping (S-3)
    • Limited Heating, Cooling, and Piping Journeyperson (S-4)
    • Limited Heating, Piping, and Cooling (G-1)
    • Limited Heating, Piping, and Cooling Journeyperson (G-2)
    • Limited Journeyperson (S-8)
    • Limited Operating Engineer Journeyperson (OE-2)
    • Limited (S-7)
    • Limited Warm Air, Air Conditioning and Refrigeration System (D-1)
    • Limited Warm Air, Air Conditioning and Refrigeration System Journeyperson (D-2)
    • Unlimited Heating, Piping, and Cooling Journeyperson (S-2)
    • Unlimited Heating, Piping, and Cooling (S-1)
  • Home Inspection
    • Home Inspector (H-1)
  • Irrigation
    • Limited Lawn Sprinkler (J-3)
    • Limited Lawn Sprinkler Journeyperson J-4
  • Plumbing and Pipefitting
    • Limited Gasoline Tank, Piping, and Pump Journeyperson (P-8)
    • Limited Gasoline Tank, Piping, and Pump (P-9)
    • Limited (J-1)
    • Limited Sewer, Storm, and Water Journeyperson (P-6)
    • Limited Sewer, Storm, and Water (P-7)
    • Limited Well Pumps and Piping Journeyperson (J-2)
    • Unlimited Journeyperson Plumber (P-2)
    • Unlimited Plumbing (P-1)
  • Process Piping
    • Limited Process Piping Journeyperson (PP-2)
    • Limited Process Piping (PP-1)
  • Sign And Outline Lighting
    • Limited Electrical Sign (C-7)
    • Limited Electrical Sign Journeyperson (C-8)
  • Sheet Metal
    • Limited Sheet Metal Hood Systems (SM-5)
    • Limited Sheet Metal Journeyperson Hood Systems (SM-6)
    • Limited Sheet Metal Journeyperson SM-2
    • Limited Sheet Metal Residential/Light Commercial Journeyperson (SM-4)
    • Limited Sheet Metal Residential/Light Commercial (SM-3)
    • Limited Sheet Metal (SM-1)
  • Solar Energy Work
    • Limited Solar Electric Journeyperson (PV-2)
    • Limited Solar Electric (PV-1)
    • Solar Thermal Limited Journeyperson (ST-2)
    • Solar Thermal Limited Journeyperson (STC-2)
    • Solar Thermal (ST-1)
    • Solar Thermal (STC-1)
  • Swimming Pool and Spa
    • Limited Spa and Pool Journeyperson (SP-2)
    • Limited Spa and Pool (SP-1)
    • Swimming Pool Builder (SPB)
  • Television and Radio Work
    • Antenna Installation and Repair Technician (V-6)
    • Certified Electronic Technician, Unrestricted (V-2)
    • Limited Antenna Dish Technician (V-4)
    • Limited Antenna Dish (V-5)
    • Master Antenna Installation and Repair Dealer (V-7)
    • Radio Certified Electronic Technician (R-2)
    • Radio Service Dealer, Certified Electronic Technician, Owner (R-1)
    • Service Dealer, Certified Electronic Technician Owner, Unrestricted (V-1)
  • Welding Valves and Machinist
    • Limited Heating and Cooling (Valves) (VT-1)
    • Limited Heating and Cooling Journeyperson (Valves) (VT-2)
    • Limited Heating Cooling Journeyperson (MT-2)
    • Limited Heating Cooling (MT-1)
    • Limited Welding (G-9)
    • Limited Welding Journeyperson (G-8)
  • Well Drilling
    • Driller Trainee
    • Limited Direct Exchange Geothermal Driller (W-10)
    • Limited Direct Exchange Geothermal (W-9)
    • Limited Geothermal Driller (W-8)
    • Limited Geothermal (W-7)
    • Unlimited Well Driller (W-1)
    • Unlimited Well Driller (W-2)
    • Limited Non-Water-Supply Driller (W-4)
    • Limited Non-Water-Supply (W-3)
    • Limited Well Casing Extension Journeyperson (W-6)
    • Limited Well Casing Extension (W-5)
  • Other

Steps on the Licensing Process for CT Apprentices and Contractors

For the State of Connecticut, it is required to have an apprenticeship course certificate provided by the Department of Labor (DOL), or a certified study at a Connecticut Technical high school or other approved institution with a diploma in construction or occupational trades to apply for contractor licenses. Without a certificate of completion of that apprenticeship course, a Department of Consumer Protection (DCP) license may NOT be acquired. Each trade has its specific apprenticeship course and certification.The Connecticut Informational Guide is used for applicants who are interested in an apprenticeship and contractor license.

Connecticut Apprenticeship Course Certificate Application Process

  1. Find an apprenticeship opportunity and a suitable Connecticut Sponsor through the CT Department of Labor’s Office of Apprenticeship Training
  2. Verify with the CT sponsor (employer or union) if there is an opportunity to become an apprentice BEFORE applying
  3. Once approved, the applicant must ensure that the sponsor (employer or union) register the applicant as an apprentice with the DOL Office of Apprenticeship Training Program before being sent to a jobsite. If the employer does not register the apprentice with the DOL, the apprentice will NOT be counted for the hours needed to earn the apprenticeship certificate. There are three required documents that the sponsor must submit along with the fees:
  4. Complete technical education and obtain on-the-job training. Generally, a two (2) years program is required for a limited license and four (4) years for an unlimited license. Each apprentice license type has different requirements for:
    • On-the-job and related instruction hours
    • Type of training
    • License type subject areas:
      • Electrical
      • Electrical Solar
      • Conveyor Hoists Cranes & Lifts
      • Elevator
      • Residential Stair Lift
      • Fire Protection Systems
      • Automotive Glass Repair
      • Flat Glass
      • Heating, Piping & Cooling
      • Plumbing & Piping
      • Limited Sheet Metal
      • Swimming Pool Builder - In Ground
      • Tv & Radio Electronics
      • Dish Antenna Installation and Repair
      • Limited Geothermal Driller
      • Non-Water Supply Driller
      • Water Supply Driller
  5. Take the professional licensing exam and apply for a license from the Department of Consumer Protection (DCP)
  6. Await the apprenticeship card issued by the DOL
    • The applicant must carry the DOL apprenticeship card while working, and produce it upon request to appropriate parties (usually a DCP licensing inspector, DOL wage and workplace standards agent, OSHA agent, or the town building official).
    • A Temporary card can be issued until your permanent one is prepared

How to Get a Contractor License in the Department of Consumer Protection?

  1. Meet the necessary education requirements requested by the DCP
  2. Send the application:
    • Fill in and submit the application form corresponding to the type of license you are applying for
    • Send a record of your instructional and training hours
    • Fill and attach the Criminal Conviction Application Worksheet if it is required
    • The receipt for payment of the application fee must also be submitted with the application form
  3. Register for the exam administered by PSI©:
    • You will receive an examination approval and available testing locations and times if the application is approved. The exam must be taken within one year from the date of approval
    • Register at the desired location and time to take the examination
    • Pay the examination fee and take the exam
  4. Upon taking the exam, you will obtain an initial license from the DCP
    • If the exam is passed, you must submit the license fee along with the exam passing score results to obtain the official contractor license
  5. Await the official contractor license issued by the Department of Consumer Protection

Department of Public Health (DPH)

The Department of Public Health (DPH) is in charge of issuing licenses with the Environmental Practitioner Licensure Program. This Program certifies, licenses, and regulates environmental health professionals in the Asbestos, Lead, Septic, and Sanitarian disciplines. The Program's main goal is the management and enforcement of the assorted licensing regulations for environmental health.

Connecticut Department of Public Health (DPH) License List

  • Asbestos
    • Asbestos Abatement Worker and Supervisor
    • Asbestos
    • Asbestos Consultants - Inspector
    • Asbestos Consultants - Project Monitor
    • Asbestos Consultants - Project Designer
    • Asbestos Consultants - Inspector/Management Planner
  • Lead
    • Lead Abatement
    • Lead Abatement - Supervisor Certification
    • Lead Abatement - Worker Certification
    • Lead Consultant
    • Lead Inspector
    • Lead Inspector Risk Assessor
    • Lead Planner Project Designer
  • Subsurface Sewage - Environmental Engineering
    • Subsurface Sewage Installer
    • Subsurface Sewage Cleaner

How to Get a Connecticut Contractor License in the Department of Public Health (DPH)?

The licensing process for the Department of Public Health (DPH) depends on the license which the applicant would like to apply for. For all of licenses, the applicant has to complete the general licensing policies of CT.

  1. Fill out a specific application for the correspondent license and submit the application along with the fee to the Department of Public Health (DPH)
  2. Provide a work experience certification if needed (licenses vary)
  3. Await the review of the application by the DPH's professional staff for the determination of eligibility
    • This review will be conducted within ten business days once the application is received by the DPH, and the applicant will be notified in writing concerning the conclusion
  4. Expect a written verification of the license number and effective date once the application is approved
  5. Once the license is issued three-part licensing documents will be forwarded to the licensee's address of record during the third week of the following month

Department of Administrative Services (DAS)

The Connecticut Department of Administrative Services (DAS) oversees many of the state's core functions and acts as a service provider and administrator for other state departments and agencies. Besides, the DAS manages the process of licensing for contractors in the categories: Crane Operator, Demolition, and Hoisting Equipment Operator.

Connecticut Department of Administrative Services (DAS) Licenses

How to Get a Connecticut Contractor License in the Department of Administrative Services (DAS)?

  1. Visit the CT  Department of Administrative Services (DAS)  website to read the eligibility criteria, prerequisites, and documentation requirements for obtaining a Crane Operator and Crane Operator Apprentice, Hoisting Equipment Operator, or Demolition (A) and (B) Contractor License, all licensing process in the DAS must be completed online
  2. Register to create an account with Connecticut's eLicense Site and fill out the license application for either the Crane Operator, Demolition, or Hoisting Equipment Operator
  3. Pay the corresponding fee of the application to the DAS
  4. Meet the requirements of the Department of Administrative Services. May be some of the following:
    • Complete and upload the Apprentice Application to the eLicense Site
    • Provide a notarized statement from the employer indicating the dates and duties of employment operating such equipment or proof of ownership and control of a company utilizing such equipment
    • Return all documents, including the appropriate fees, to the Office of the State Fire Marshal
  5. Await the response from the Department of Administrative Services (DAS) for confirmation if the license will be issued. The applicant will receive the license via mail

Contact Info & Useful Links

Department of Consumer Protection (DCP)

Hartford | Connecticut
(860) 713-6100
8:30am-4:30pm
450 Columbus Boulevard, Suite 901, CT 06103-1840

License Services

(860) 713-6000
8:30am-4:30pm
Fax: (860) 706-1200
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Michael Elliott, License Services Division Director

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License Services Division Accountancy

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Home Improvement

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Professional Licensing

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Trade Licensing

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Department of Public Health(DPH)

Hartford | Connecticut
(860) 509-8000
410 Capitol Avenue, CT 06134
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Environmental Practitioner Licensure Program

(860) 509-7559
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Department of Administrative Services (DAS)

Hartford | Connecticut
(860) 713-5100
410 Capitol Avenue, CT 06103

Office of State Fire Marshal

(860) 713-5580
450 Columbus Boulevard, Suite 1304, CT 06103
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Demolition Unit

(860) 713-5750
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Crane/Hoisting Unit

(860) 713-5580 or (860) 713-5529
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Department of Labor (DOL)

Office of Apprenticeship Training

Wethersfield | Connecticut
(860)263-6000
200 Folly Brook Boulevard, CT 06109
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Connecticut Government

Hartford | Connecticut
State Capitol
(860) 566-4840
(800) 406-1527
(860) 524-7397
210 Capitol Avenue, CT 06106

Useful Links for Connecticut Contractors

Details