Duval (COJ) County Contractor Licenses
Select a license to view its requirements, definition, exams, books, and classes. If your license is not listed as Duval County License, please select a Florida License. Duval County requires all applicants to take the Business & Law examination. Except for the following three licenses: Journeyman Electrical, Journeyman Plumber, and Journeyman HAR.
At this time, Duval County licenses are still regulated. While Duval may not require applicants to obtain their licenses, they are still available for anyone who qualifies. For updated information on each county response, visit our Blog on the Preemption local occupational licensing in Florida.
Duval County Contractor Licenses
Construction Licenses in Duval County
Construction of any building or structure regardless of the height, area and complexity of that building, structure or related real property improvement.
Alarm System I
Erection of intrusion detection, fire detection, and signaling systems.
Alarm System II
Installation of burglar alarm circuits and equipment.
Installation of awnings of detachable cloth/synthetic cover material over a rigid metal frame, including other materials incidental thereto, in or on buildings or other structures, and which may be, in whole or part, supported from a building wall erected and provided by others, or may be self-supporting, including footings or slabs on grade in connection therewith.
Installation of commercial buildings and single or multiple dwelling residential buildings, neither to exceed three stories or 36 feet in height, and accessory use structures in connection therewith.
Construction of any wood products in a structure or building including, but not limited to, rough framing, including metal studs, structural and nonstructural walls, trusses, sheathing and wood siding, excluding interior and exterior trim including soffit and facia providing such subcontractor does not install sheathing or wood siding or other structural components.
Erection of any swimming pool, or hot tub or spa, whether public, private, layout, excavation, operation of pumps for dewatering purposes, steel work, light niches, floors, guniting, fiber glassing, tile and coping, perimeter and filter piping, filter equipment and chemical feeders of any type, plastering of the interior, decks, equipment rooms or housing for pool equipment, and package pool heaters.
Demolition and removal of structures, such as dwellings, commercial buildings and foundations.
Installation of a system of electrical wiring for light, heat or power, appurtenances thereto and apparatus and equipment used in connection therewith within or adjacent to a building or structure, excluding: A wiring and electrical system in an elevator installation located beyond the elevator disconnect switch, wiring and equipment in a signaling, public address or communications system operating at 50 volts or less, low-voltage control wiring operating at 50 volts or less.
Installation of of the wiring of outdoor electrical signs and outside lighting.
Installation of overhead garage door systems.
Installation of appliances and appurtenances in connection with a heating, air conditioning or refrigeration system within or adjacent to a building or structure.
Installation of all piping, sprinkler heads, chemical injectors, pressure regulators, backflow prevention devices, and automatic or manual control systems including mechanical, hydraulic, and low voltage electrical, (including wiring and appurtenances of 50 volts or less), and includes the connection to a water pump or other potable water source.
Construction of any electrical systems, fire or burglar alarm systems, and all appurtenances, apparatus, and equipment used in connection therewith.
Installation of any system of air conditioning, refrigeration, piping vessels, warm air heating, low pressure boilers, ventilation systems, duct systems, insulation, and related appurtenances within a complete system unlimited in horsepower or tonnage.
Construction of any plumbing system, including waste drains, vents, water supply, fixtures, gas piping, appliances, lines, laterals, tanks and other appurtenances in connection therewith under the supervision of an Unlimited Master Plumbing Contractor.
Erection of electrical wiring, fixtures, appliances, thermostats, apparatus, raceways, conduit and fiber optics (transmission of light over stranded glass) or any part thereof not to exceed 98 volts, when those items are for the purpose of transmitting data, proprietary video (satellite systems which are not part of a community antenna television or radio distribution system) central vacuum, electric locks, data distribution, networks, home theater systems, surround sound systems, public address systems or telephone systems.
Erection of piers and docks; piles or pilings, columns, posts, stanchions.
Erection of electrical wiring for light, heat or power, appurtenances thereto and apparatus and equipment used in connection therewith within or adjacent to a building or structure.
Installation of piping, fixtures, appliances and appurtenances in connection with a sanitary or storm drainage facility, venting of a sewerage system, a liquid waste and a sewage disposal system and a water supply system within or adjacent to a building or structure.
Master Water Treatment
Installation of of water conditioning equipment, piping, fittings, and valves necessary to connect water softeners, reverse osmosis systems, and water filters to existing piping.
Installation of central air conditioning, refrigeration, heating, and ventilating systems, including duct work, air-distribution system, boiler and unfired pressure vessel systems, lift station equipment and piping, and all appurtenances, apparatus, piping, insulation of pipes, vessels and ducts, pressure and process piping, pneumatic control piping, gasoline tanks and pump installations and piping for same, standpipes, air piping, vacuum line piping, oxygen lines, nitrous oxide piping, ink and chemical lines, fuel transmission lines, and natural gas fuel lines within buildings, to connect power wiring on the load side of the dedicated existing electrical disconnect switch; to connect low voltage heating, ventilating, and air conditioning control wiring; and to install a condensate drain from an air conditioning unit to an existing safe waste or other approved disposal other than a direct connection to a sanitary system.
Installation of natural gas piping, appliances, gas mains, laterals, tanks and other appurtenances in connection therewith.
Erection of exterior nonelectrical signs according to the building code and Chapter 320, Ordinance Code, signs must be less than 32 square feet in size and no higher than eight feet to the top of the sign.
Installation of vinyl siding and wood or metal windows and doors.
Erection of piping, fixtures, appliances and appurtenances in connection with a sanitary or storm drainage facility, venting of a sewerage system, a liquid waste and a sewage disposal system and a water supply system within or adjacent to a building or structure.
Construction of a faucet or valve, the clearance of stoppages, repairing of leaks and defective faucets or valves contained and used upon the premises or building owned, occupied or otherwise controlled by the person, firm or corporation by whom the maintenance plumber is regularly employed.
Installation of concrete decks and patios around a commercial or residential swimming pool, spa or hot tub according to applicable building codes.
Construction of the interior surfaces of a commercial or residential swimming pool, spa or hot tub with materials such as marcite, water type plaster, fiberglass or other similar use products designed to create a permanent surface coating.
Construction of clearing of land of surface debris and vegetation; general leveling and grading of surface land; the excavation and removal of materials such as rock, gravel, sand, dirt, debris or vegetation; the shaping and contouring of dirt or similar material, all for the purpose of forming the outer wall of a commercial or residential swimming pool, spa or hot tub to receive gunite, shotcrete or concrete.
Installation of all perimeter and filter piping, filter equipment, chemical feeders of any type and piping up to a package pool heater or equipment room; the connecting to a pump, filter or cleaner; the operation of pumps for dewatering purposes.
Construction of direct infusion of chlorine gas, and maintenance of any swimming pool or hot tub or spa, whether public or private, tile and coping, all piping, filter equipment, and chemical feeders of any type, replastering, reconstruction of decks, and reinstallation or addition of pool heaters.
Construction of steel reinforcing bars (rods) of any profile, perimeter, or cross-section which is used, intended or designed to be used to reinforce concrete, gunite, shotcrete or similar material in a pool, in accordance with the plans and specifications thereof; operating of pumps for dewatering purposes.
Installation of terrazzo, marble and all types of tile which are applied to the existing walls, floor or decking of a commercial or residential swimming pool, spa or hot tub.
Property Maintenance Craftsman
Construction of switches, receptacles, dishwashers, garbage disposals, range hoods, ceiling fans, exhaust fans, washing machines, electric clothes dryers, trash compactors, microwaves, low voltage wiring under 77 volts, electric ranges, electric wall ovens and electric wall heaters, firm, electric water heater elements, sinks and faucets up to the stops, excluding tub or shower valves, shut off valves and fixture stops no greater than 1/2 inch, toilets and all associated interior components and flush valves, leaks on interior lines, (can use a repair clamp, but cannot cut into water lines) dishwashers, garbage disposals, clearing of stoppages to the exterior clean out, firm, air conditioning drain lines, thermostats, fan motors range hoods, filters, cleaning of coils and the charging of refrigerant lines all contained upon the premises of the multifamily property owned, occupied or otherwise controlled by the person.
Construction of one-, two- or three-family unit residences not exceeding two stories in height, and accessory use structures in connection therewith.
Construction of any residential swimming pool or hot tub or spa, regardless of use, layout, excavation, operation of pumps for dewatering purposes, steel work, light niches, floors, guniting, fiber glassing, tile and coping, all perimeter and filter piping, installation of all filter equipment and chemical feeders of any type, plastering of the interior, decks, housing for pool equipment, and package pool heaters.
Construction of all kinds of roofing, waterproofing, and coating, except where the coating is not represented to protect, repair, waterproof, stop leaks, or extend the life of the roof, deteriorated wood at the fascia, eaves, and rakes of the roof, including roof sheathing, provided the wood.
Erection of ferrous or nonferrous metal work of U.S. No. 10 gauges or its equivalent or lighter gauge and of other materials, including, but not limited to, fiberglass, used in lieu thereof and of air-handling systems, including the setting of air-handling equipment and reinforcement of same and including the balancing of air-handling systems.
Application of the mixtures of sand or other aggregate, plaster, gypsum, portland cement, quick lime and water, or any combination of these materials, to create a surface which offers a mechanical key support of such coatings or to which such coatings will adhere by suction, and to provide key or suction basis necessary and incidental to the support of such coatings.
Window and Door
Installation of exterior doors, windows, shutters, and associated accessories.
- Written by Gil M.