License Classifications
The Arizona Registrar of Contractors issues separate licenses for commercial and residential work, and dual licenses that cover both commercial and residential, for each particular trade or field of the construction profession.
Residential contracting is defined as construction on residential structures such as houses, townhouses, condominiums or cooperative units and apartment complexes of four units or less. Residential construction also includes any appurtenances on or within residential property lines, connection to utility service and sewer lines, meters and mechanical or structural service for any residential structure.
Commercial contracting is anything other than residential.
1. Fixed works
2. Streets
3. Roads
4. Power and utility plants
5. Dams
6. Hydroelectric plants
7. Sewage and waste disposal plants
8. Bridges
9. Tunnels
10.Overpasses
11. Public parks
Also included are the scopes of work allowed by the A-4 through A-19 and CR-2 through CR-80 classifications. This classification does not include work authorized by the B-1, B-2, B- or B-3 scopes.
1. Digging
2. Trenching
3. Grading
4. Horizontal boring
5. Compacting
6. Filling
This license does not allow the licensee to excavate for water, gas or oil wells.
Construction, service, and repair of swimming pools and spas, including water and gas service lines from point of service to pool equipment, wiring from pool equipment to 1st readily accessible disconnect, pool piping, fittings, backflow prevention devices, waste lines, and other integral parts of a swimming pool or spa.
Also included is the installation of swimming pool accessories, covers, safety devices, and fencing for protective purposes, if in the original contract.
Installation, alteration, and repair of transmission lines on public right-of-ways, including erection of poles, guying systems, tower line erection, street lighting of all voltages, and all underground systems including ducts for signal, communication, and similar installations. Installing transformers, circuit breakers, capacitors, primary metering devices and other related equipment of all electrical construction is included.
All electrical systems of less than 600 volts on or inside a building are excluded.
Construction, service, and repair of swimming pools and spas, with or without solar water heating devices, including water and gas service lines from point of service to pool equipment, wiring from pool equipment to first readily accessible disconnect, pool piping, fittings, backflow prevention devices, waste lines and other integral parts of a swimming pool, spa and attached solar water heating device.
Also included are swimming pool accessories, covers, safety devices, and fencing for protective purposes, if in the original contract.
Construction, alteration, and repair in connection with any structure built, being built, or to be built for the support, shelter, and enclosure of persons, animals, chattels, or movable property of any kind. This scope includes the supervision of all or any part of the above and includes the management, or direct or indirect supervision of any work performed.
Also included are the scopes of work allowed by the CR-2 through CR-80 license classifications. Work related to electrical, plumbing, air conditioning systems, boilers, swimming pools, spas and water wells must be subcontracted to an appropriately licensed contractor. This classification does not include work authorized by the A-, B-, or B-3 scopes.
Small commercial construction in connection with any new structure or addition built, being built, or to be built for the support, shelter and enclosure of persons, animals, chattels or movable property of any kind for which the total amount paid to the licensee does not exceed $2,000,000. This scope includes the supervision of all or any part of the above and includes the management or direct or indirect supervision of any work performed.
Work related to electrical, plumbing, fire protection systems, air conditioning systems, boilers, swimming pools, spas and water wells must be subcontracted to an appropriately licensed contractor. This classification does not include work authorized by the A-, B-, B-3, or residential scopes.
As related to scope information:
Appurtenances means all structures and improvements subordinate to a residence within residential property lines, excluding the residential structure itself, such as driveways, fences, patios, swimming pools, landscaping, sport courts and gazebos. (R4-9-101 Definitions)
Upon the effective date of these rules, no new applications for the B-4R license classifications will be accepted and no new B-4R licenses will be issued.
1. Digging
2. Trenching
3. Grading
4. Horizontal boring
5. Compacting
6. Filling
1. Window awnings
2. Door hoods
3. Freestanding or attached canopies
4. Carport and patio covers constructed of metal, fabric, fiberglass, or plastic
5. Screened and paneled enclosures, which are not intended for use as habitable spaces, using metal panels, plastic inserts, and screen doors. A minimum of 60% of the wall area of an enclosure shall be constructed of screening material.
6. Fascia panels
7. Flashing and skirting
8. Exterior, detached metal storage units
This classification does not allow the licensee to install or repair electrical, plumbing, or air conditioning systems.
1. Rough carpentry
2. Finish carpentry
3. Hardware
4. Millwork
5. Metal studs
6. Metal doors or door frames
1. Carpet
2. Floor tile
3. Wood
4. Linoleum
5. Vinyl
6. Asphalt
7. Rubber
8. Concrete coating
1. Gypsum wall board
2. Ceiling grid systems as supporting members for gypsum drywall
3. Movable partitions
4. Wall board tape and texture
5. Non-load bearing, lightweight, steel wall partitions
1. Elevators
2. Dumbwaiters
3. Escalators
4. Moving walks and ramps
5. Stage and orchestra lifts
1. Metal, wood, and cement block fencing
2. Automatic gates
3. Fire access strobes
4. Highway guard rails
5. Cattle guards
6. Low voltage U.L. approved electrical fence protective devices of less than 25 volts and 100 watts
This classification does not allow the licensee to install or repair retaining walls.
1. Excavation
2. Demolition
3. Geological exploration
4. Mining
5. Construction related blasting
1. Topsoil
2. Plants and decorative vegetation
3. Non-loadbearing concrete
4. Uncovered patios, walkways, driveways made of brick, stone, pavers or gravel
5. Wooden decks no higher than 29 inches above finish grade
6. Decorative garden walls up to six feet from finish grade
7. Fences and screens up to six feet from finish grade
8. Retaining walls up to three feet from the finish grade of the lower elevation
9. Wood-burning fire pit no higher than 16 inches above finish grade
10. Low voltage landscape lighting
11. Water features that are not attached to swimming pools; including any necessary: electrical wiring of 120 volts or less, connection to potable water lines, backflow prevention devices, hose bibs, excavating, trenching, boring, backfilling, or grading
12. Irrigation systems, including any necessary: electrical wiring of 120 volts or less, connection to potable water lines, backflow prevention devices, hose bibs, excavating, trenching, boring, backfilling, or grading
This classification does not allow the licensee to install, contract for, or subcontract new electrical service panels, gas or plumbing lines, blasting, outdoor kitchens, gazebos, room additions, swimming pools, pool deck coatings, barbeques, concrete driveways, load bearing walls, or perimeter fencing.
1. Metal folding gates
2. Guard and hand rails
3. Wrought iron fencing and gates
4. Window shutters and grilles
5. Room dividers and shields
6. Metal accessories common to the industry
This classification does not allow the licensee to install fire escapes and stairs.
1. Masonry
2. Brick
3. Concrete block
4. Insulating concrete forms
5. Adobe units
6. Stone
7. Marble
8. Slate
9. Mortar-free masonry products
1. Wallpaper
2. Wall covering cloth
3. Wall covering vinyl
4. Decorative texture
5. Paint
1. Sand mixtures (e.g. stucco)
2. Gypsum plaster
3. Cement
4. Acoustical plaster
5. Swimming pool interiors (excluding tile)
1. Signs
2. Displays
3. Flagpoles
1. Insulation materials
2. Preformed architectural acoustical materials
3. Insulation protecting materials
1. Septic tanks
2. Aerobic digesters
3. Leaching fields
1. Roof tile
2. Shingles
3. Shakes
4. Slate
5. Metal roofing systems
6. Urethane foam
7. Roof insulation or coatings on or above the roof deck
This classification allows the licensee to replace up to three sheets (96 square feet) of plywood on the roof substrate; and install new or replace existing skylights where it does not require changes to the roof framing or roof structure.
1. Sheet metal
2. Cornices
3. Flashings
4. Gutters
5. Leaders
6. Pans
7. Kitchen equipment
8. Duct work
9. Skylights
10. Patented chimneys
11. Metal flues
12. Metal roofing systems
1. Ceramic
2. Clay
3. Faience
4. Metal
5. Mosaic
6. Glass mosaic
7. Paver
8. Plastic
9. Quarry
10. Stone tiles such as marble or slate
11. Terrazzo
Installation of shower doors and tub enclosures are included when a part of the original contract.
1. Water conditioning equipment
2. Misting systems
3. Exchange tanks
4. Indirect waste pipe carrying brine, backwash and rinse water to the point of disposal
1. Cabinets
2. Counter tops
3. Case sash
4. Door trim
5. Metal doors
6. Automatic door closers
7. Wood flooring
1. Rough carpentry
2. Finish carpentry
3. Roofing
4. Hardware
5. Millwork
6. Metal studs
7. Metal doors or door frames
Work related to electrical, plumbing, air conditioning systems, boilers, swimming pools, spas and water wells must be subcontracted to an appropriately licensed contractor.
1. Reinforcing bar
2. Post-tension
3. Wire mesh
1. Glass products
2. Window film
3. Window treatments
4. Steel and aluminum glass holding members
1. Alarm systems
2. Telephone systems
3. Sound systems
4. Intercommunication systems
5. Public addressing systems
6. Television or video systems
7. Low voltage signaling devices
8. Low voltage landscape lighting that does not exceed 91 volts
9. Master and program clocks (only low voltage wiring and needed equipment)
Installation, alteration, and repair of steam and hot water systems and boilers, including chimney connections, flues, refractories, burners, piping, fittings, valves, thermal insulation, and accessories; fuel and water lines from source of supply to boilers; process and specialty piping and related equipment; pneumatic and electrical controls.
If necessary, a new circuit may be added to the existing service panel or sub-panel.
Excluded is the installation of a new service panel or sub-panel.
Service, replacement, and repair of swimming pools including all existing connections and equipment. Pool gas heaters and gas piping from meter to heater may be installed only if the existing line and gas supply are adequate.
Application of pool coatings to interior of pool in conjunction with minor repairs to pool tile, plaster, and decks.
Excluded are chlorine gas connections, connections to potable water, and electric connections beyond first readily accessible disconnect.
This classification excludes a complete replacement of plaster or pebble pool interiors and decks.
All work in connection with the processing, proportioning, batching, mixing, conveying, and placing of concrete composed of materials common to the concrete industry, including finishing, coloring, curing, repairing, testing, drilling, sawing, grinding, chipping, and grouting. Placing film barriers, sealing, and waterproofing are included.
Construction, centering, and assembling forms, molds, insulating concrete forms, slipforms, and pans.
Trenching, excavating, backfilling, and grading in connection with concrete construction.
Installation of embedded items essential to or comprising an integral part of the concrete or concrete construction, including reinforcing elements and accessories.
Installation, alteration, and repair of any wiring, related electrical material and equipment used in the generating, transmitting, or utilization of electrical energy less than 600 volts, including all overhead electrical wiring on public right-of-ways for signs and street decorations, and all underground electrical distribution systems of less than 600 volts serving private properties.
Installation, alteration, and repair on other than public right-of-ways of all outside, overhead, and underground electrical construction and all wiring in or on any building of less than 600 volts.
Installation, alteration, and repair of fire protection systems using water, steam, gas, or chemicals. Included is any required excavation, trenching, backfilling and grading, piping from structure, and connections to off-premise water supply adjacent to property involving a fire protection system.
Systems may include the following areas of work and related equipment: restaurant hood protection systems; fire pumps and drivers; pressure and storage tanks; all piping and valves; sprinkler heads and nozzles; and application of materials for the prevention of corrosion or freezing.
Also included are air compressors, air receivers, bottled inert gases, pressurized chemicals, manifolds, pneumatic, hydraulic, or electrical controls, low voltage signaling systems, control piping, and the flushing and testing of systems.
Installation, alteration, and repair of all plumbing when performed solely within property lines and not on public easements or right-of-ways, except as hereinafter provided.
Installation, alteration, and repair of all piping, fixtures, and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semi-fluid, and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinklers; water conditioning equipment; piping; and equipment for swimming pools.
Also included are piping, fixtures, appliances, and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating, and hot water supply systems operating at pressures not exceeding 30 PSIG, or temperatures not exceeding 220° F; steam heating and steam supply systems not exceeding 15 PSIG operating pressure; gas or oil fired space heaters and furnaces, excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems.
Sewer, gas, water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements or right-of-ways. Pipe installed across public property may not be increased in size, or make any other connection between the point of exit from private property to the point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.
Installation, alteration, and repair of refrigeration and evaporative cooling systems.
Installation, alteration, and repair of heating systems of "wet", "dry" or radiant type. "Wet" systems include steam or hot water boilers and coils, or baseboard convectors, and are limited to 30 PSIG operating pressure of 220° F for hot water and 15 PSIG operating pressure for steam. Dry systems include gas fired furnaces and space heaters.
Installation, alteration, and repair of ventilation systems includes duct work, air filtering devices, water treatment devices, pneumatic or electrical controls, and control piping. Thermal and acoustical insulation of refrigerant pipes and ductwork, vibration isolation materials and devices, liquid fuel piping and tanks, water and gas piping from service connection to the equipment it serves. Testing and balancing of refrigerant, cooling, heating circuits, and air handling systems.
If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.
Installation, alteration, and repair of refrigeration equipment and systems used for processing, storage, and display of food products and other perishable commodities.
Includes commercial, industrial, and manufacturing processes requiring refrigeration excluding comfort air conditioning.
Systems may also include the following areas of work and related equipment: temperature, safety and capacity controls, thermal insulation, vibration isolation materials and devices; water treatment devices; construction and installation of walk-in refrigeration boxes, liquid fuel piping and tanks, water and gas piping from equipment to service connection; and testing and balancing of refrigeration equipment and systems.
If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.
Drill new water wells or deepen existing water wells by use of standard practices including the use of cable tools, compressed air percussion, rotary, air rotary, or reverse circulation rotary methods. Includes installing casing, gravel pack, perforating and sanitary seals. Repair existing wells by sand pumping, jetting, acidizing, swabbing, clean out, re-perforating, swaging, installation of annealed lines, and the removal of debris.
Includes photographing interior of wells with appropriate equipment. Installation of jet and submersible pumps; electrical pump controls and wiring from pump equipment to first readily accessible disconnect; and water line to storage or pressure tank, not to exceed 50 linear feet. Use of a test pump to develop a new well, or repair an existing well, when provided in contract, is limited to 5 horsepower.
Installation of concrete pump bases not to exceed 50 square feet.
Installation of protective fencing when included in original contract.
Installation, alteration, and repair of warm air heating systems, gas fired furnaces and space heaters, ventilation and evaporative cooling units, or any combination of these.
Systems may include the following areas of work and related equipment; duct work, air filtering devices, pneumatic or electrical controls, control piping, thermal and acoustical insulation, vibration isolation materials and devices, liquid fuel piping and tanks, water and gas piping from service connection to equipment it serves. Testing and balancing of air handling systems.
If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.
Installation, alteration, and repair of steam and hot water systems and boilers including solar. Also included are chimney connections, flues, refractories, burners, piping, fittings, valves, thermal insulation and accessories; fuel and water lines from source of supply to boilers; process and specialty piping and related equipment; pneumatic and electrical controls.
If necessary, a new circuit may be added to the existing service panel or sub-panel.
Excluded is the installation of a new service panel or sub-panel.
Installation, alteration, and repair of all plumbing including solar, when performed solely within property lines and not on public easements or right-of-ways except as hereinafter provided.
Installation, alteration, and repair of all piping, fixtures and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semi-fluid, and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinkler systems; water conditioning equipment; piping and equipment for swimming pools.
Also included are piping, fixtures, appliances, and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating and hot water supply systems operating at pressures not exceeding 30 PSIG or temperatures not exceeding 220° F; steam heating and steam supply systems not exceeding 15 PSIG operating pressure; gas or oil fired space heaters and furnaces excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems.
Sewer, gas, water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements. Pipe installed across public property may not be increased in size or make any other connection between the point of exit from private property to point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.
Installation, alteration, and repair of solar water heating systems operating at temperatures not exceeding 220° F, including thermosyphon, direct (open loop), and indirect (closed loop),but excludes air as a transfer medium.
Includes installation of collectors, storage and expansion tanks, heat exchangers, piping valves, pumps, sensors and low voltage controls which connect to existing plumbing and electrical stub-outs at the water tank location.
Installation of solar water heating systems for swimming pools which tie into and operate from the conventional pool systems, but excludes all non-solar plumbing, electrical and mechanical systems and components.
Installation of back-up and auxiliary heating systems only when such systems are included in the original contract and when such systems are an integral part of the solar collector or storage equipment.
Installation, alteration, and repair of refrigeration and evaporative cooling systems, including solar.
Installation, alteration, and repair of heating systems of "wet", "dry" or radiant type. "Wet" systems include steam, or hot water boilers and coils, or baseboard convectors and are limited to 30 PSIG operating pressure of 220° F for hot water and 15 PSIG operating pressure for steam. Dry systems include gas fired furnaces and space heaters.
Installation, alteration, and repair of ventilation systems.
Installation of these systems include duct work, air filtering devices, water treatment devices, pneumatic or electrical controls, and control piping. Thermal and acoustical insulation, vibration isolation materials and devices, liquid fuel piping and tanks, and water and gas piping from service connection to equipment it serves. Testing and balancing of refrigerant, cooling and heating circuits, and air handling systems.
If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.
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