Michigan Contractor Licenses
The State of Michigan has no reciprocity agreements in place with any other state. Select any of the licenses below to view its requirements, exams, books, and classes.
Business and Law
Business and Law tests that contractors listed under the Maintenance and Alteration category will be required to pass along with the trade exam
Residential Builder
Build, remodel and wreck residential properties, including pre-assembled houses and shells
Maintenance and Alteration
Demolishing, remodeling, and reselling residential structures, including townhouses of no more than three stories
Basement Waterproofing (T)
Basement waterproof coatings
Boiler Installer 1B
Install low-pressure boilers under 1,000,000 BTU/hour firing rate
Boiler Installer 2B
Installation of low-pressure boilers of any firing rate
Boiler Installer 3B
Includes scope for class 2B license, install/repair non-boiler external piping (ASME code B31.1), and boilers up to 5,000 lbs of steam per hour
Boiler Installer 4B
Covers scope for class 3B license plus installation of boilers (maximum 300,000 lbs of steam per hour)
Boiler Installer 5B
Same scope as class 4B license plus boilers of any firing rate, except those with a nuclear heat source
Boiler Installer 6B
Install all boilers, including those with a nuclear heat source within its system
Boiler Piping (Installer and Repairer)
Install and repair non-boiler external piping (ASME B31.1)
Boiler Repairer I
Boiler repair, not including welding, riveting or other fabrication processes
Boiler Repairer II
Covers class I license scope plus the maintenance of hot water supply and fire tube boilers of any pressure
Boiler Repairer III
Repair high-pressure boilers, repair and replace non-boiler external piping (ASME B31.1), and all work covered by the class II license
Boiler Repairer IV
Covers the scope defined for the class III license plus field-erect and replace boilers of any pressure, but not those with a nuclear heat source
Boiler Repairer V
Includes the scope for class IV license and reparation of boilers with a nuclear heat source
Carpentry (A)
Wood framing, structural and finish carpentry
Concrete (B)
Placing, finishing, pouring, and forming structural and non-structural concrete structures
Ductwork
Air conditioning and non-AC duct systems
Dumbwaiter (DW) Class C
Install and service dumbwaiter systems
Dumbwaiter (DW) Class C Journeyperson
Supervise the install or repair of dumbwaiters (no direct contracting)
Electrical
All types of electrical systems
Electrical Journeyman
Electrical wiring installation and alteration (non-contractor)
Elevator Class A
Construction and maintenance of elevator systems
Elevator Class A Journeyperson
Supervise, install and maintain elevators while working under a contractor
Elevator Maintenance and Repair Class B
Elevator reparation and maintenance
Elevator Maintenance and Repair Journeyperson Class B
Oversee the maintenance and repair elevators
Excavation (D)
Manual and mechanical manipulation of soil materials
Facility Electrical Non-Contractor
Can legally work on the electrical systems of facilities within the context of facility management (not a contractor’s license)
Fire Alarm
Fire alarm systems and equipment
Fire Alarm Specialty Technician
Fire alarm systems design, installation, and alteration
Fire Suppression
Install fire-suppression and fire-extinguisher discharger systems
Fuel Gas Piping
Install piping, valves, and fittings (from outlet to inlet) used for natural and manufactured gas, or a mixture of both, and liquified petroleum
Fuel Gas Piping and Venting
Install fuel gas piping and continuous open passageways from the flue collar to the outside
General Elevator Inspector
Inspects elevators (must hold a general certificate of competency)
Gutters (O)
Install and repair gutters for rainwater displacement on roofs
House Wrecking (R)
Demolition of houses and buildings
HUD Installer
Install new manufactured homes (not previously occupied units)
HVAC Equipment (includes ductwork and gas piping)
Install HVAC systems, ductwork, gas piping and venting
Hydronic Heating and Cooling and Process Piping
Assemble hydronic heating and cooling systems, process piping, combustion air, gas piping, and venting
Insulation Work (G)
Thermal insulation using any type of material
Journeyman Plumber
Plumbing installation without directly contracting
Limited Heating Service
Servicing fuel-fired heating systems (maximum 399,000 BTUs) and sectional boilers (up to 1,000,000 BTUs)
Limited Refrigeration and Air Conditioning Service
Service refrigeration/air conditioning systems employing the refrigeration cycle and group-one refrigerants
Limited-Use Limited Application Elevators (LULA) Class C
Construction and maintenance of Limited-Use Limited-Application elevator systems
Limited-Use Limited Application Elevators (LULA) Class C Journeyperson
Supervise or install/repair Limited-Use Limited Application elevators on behalf of a licensed contractor
LP Distribution Piping
Install fuel gas piping from first stage regulator outlet to second stage regulator inlet
Masonry (I)
Construction and maintenance of structures made of bricks, sand, stone, cement blocks, etc.
Master Electrician
Supervise the installation of electrical wiring equipment following standard rules and regulations
Master Plumber
Plan and supervise the installation of plumbing sytems
Mobile Homes Installer and Repairer
Set up and maintain manufactured homes
Painting & Decorating (J)
Paint and decorate houses and buildings
Platform Lifts (PL) Class C
Erect and maintain platform lifts systems
Platform Lifts (PL) Class C Journeyperson
Supervise the installation and servicing of platform lifts
Plumbing
Plumbing sytems using any known plumbing materials and components
Private Residence Elevators (RES) Class C
Private residential elevators
Private Residence Elevators (RES) Class C Journeyperson
Supervise, erect or repair private residence elevators (not contracting)
Refrigeration
Refrigeration and air conditioning equipment
Roofing (M)
Shingle, metal, tile, flat, and any other type of roofing system
Salesperson
Must have salesperson license if soliciting or securing, for compensation, business for a residential builder or Maintenance and Alteration contractor
Screens & Storm Sash (N)
Assemble interior and exterior features for windows and certain types of doors
Security Alarm System
Assemble and service security alarm systems
Siding (K)
Cladding of interior and exterior building surfaces
Sign Specialist
All types of electric signs
Sign Specialty
Assemble and maintain electric sign devices, as well as their wiring
Solid Fuel Equipment and Vented Decorative Gas Appliances
Install combusted solid fuel heat equipment and vented gas appliances
Solar Heating and Cooling
Install systems that utilize solar energy for heating or cooling
Special Elevator Inspector
Elevator inspections requiring a special certificate of competency
Stairway Chairlifts (SC) Class C
Installation and maintenance of stairway chairlift systems
Stairway Chairlifts (SC) Class C Journeyperson
Supervise the installation or maintenance of stairway chairlifts
Swimming Pools (S)
Construct and service swimming pools
Tile & Marble (P)
Install several types of tile and marble in residential or commercial buildings (indoor and outdoor)
Unlimited Heating Service
Service heating equipment of any thermal capacity, fuel oil grade and fuel type
Unlimited Refrigeration and Air Conditioning Service
Service refrigeration or air conditioning equipments, or any system employing the refrigeration cycle with no thermal capacity or type of refrigerant restrictions
