Ariz. Admin. Code § R4-9-103
A. Residential contracting license classifications. License classifications for residential contractors are as follows:
GENERAL RESIDENTIAL CONTRACTING
B- General Residential Contractor
B-3 General Remodeling and Repair Contractor
B-4 General Residential Engineering Contractor
B-4R Sport Court Accessories
B-5 General Swimming Pool Contractor
B-5R Swimming Pool Covers
B-5R Factory Fabricated Pools and Accessories
B-6 General Swimming Pool Contractor, Including Solar
B-10 Pre-Manufactured Spas and Hot Tubs
SPECIALTY RESIDENTIAL CONTRACTING
R-1 Acoustical Systems
R-2 Excavating, Grading and Oil Surfacing
R-3 Awnings, Canopies, Carports and Patio Covers
R-4 Boilers, Steamfitting and Process Piping
R-6 Swimming Pool Service and Repair
R-7 Carpentry
R-8 Floor Covering
R-9 Concrete
R-10 Drywall
R-11 Electrical
R-12 Elevators
R-13 Asphalt Paving
R-14 Fencing
R-15 Blasting
R-16 Fire Protection
R-17 Structural Steel and Aluminum
R-21 Hardscaping and Irrigation Systems
R-22 House Moving
R-24 Ornamental Metals
R-31 Masonry
R-34 Painting and Wall Covering
R-36 Plastering
R-37 Plumbing, Including Solar
R-37R Plumbing
R-37R Built-In Central Vacuum Systems
R-37R Kitchen and Bathroom Fixture Refinishing
R-37R Swimming Pool Plumbing and Equipment
R-37R Gas Piping
R-37R Sewers, Drains and Pipe Laying
R-37R Solar Plumbing Liquid Systems Only
R-38 Signs
R-39 Air Conditioning and Refrigeration, Including Solar
R-39R Air Conditioning and Refrigeration
R-39R Temperature Control Systems
R-39R Warm Air Heating, Evaporative Cooling and Ventilating
R-39R Evaporative Cooling and Ventilators
R-40 Insulation
R-41 Septic Tanks and Systems
R-42 Roofing
R-45 Sheet Metal
R-48 Ceramic, Plastic and Metal Tile
R-53 Drilling
R-54 Water Conditioning Equipment
R-56 Welding
R-57 Wrecking
R-60 Finish Carpentry
R-61 Carpentry, Remodeling and Repairs
R-62 Minor Home Improvements
R-63 Appliances
R-65 Glazing
R-67 Low Voltage Communication Systems
R-70 Reinforcing Bar and Wire Mesh
B. RESIDENTIAL CONTRACTING SCOPES. The “R” designation after the license classification means that the licensee’s scope of work is restricted to the description stated in the license title. The scope of work which may be done under the residential contracting license classifications is as follows:
6. Filling
R-3 AWNINGS, CANOPIES, CARPORTS AND PATIO COVERS
This classification allows the licensee to place concrete footings and concrete slabs as required for the licensee to install and repair:
8. Exterior, detached metal storage units, not to exceed 200 square feet
This classification does not allow the licensee to install or repair electrical, plumbing, or air conditioning systems.
R-4 BOILERS, STEAMFITTING AND PROCESS PIPING
This classification allows the licensee to install, alter, and repair 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.
R-6 SWIMMING POOL SERVICE AND REPAIR
This classification allows the licensee to service and perform minor repair of residential pools and accessories, excluding plumbing connections to a potable water system, gas lines, gas chlorine systems, and electrical work beyond the first disconnect. This classification does not allow the licensee to perform a complete replacement of plaster or pebble pool interiors and decks.
R-7 CARPENTRY
This classification allows the licensee to install and repair:
7. Windows
R-8 FLOOR COVERING
This classification allows the licensee to prepare a surface as required for the licensee to install and repair the following floor covering materials:
8. Concrete coatings
R-9 CONCRETE
This classification allows the licensee to install and repair concrete, concrete products, and accessories common to the industry.
R-10 DRYWALL
This classification allows the licensee to install and repair:
5. Non-load bearing, lightweight, steel wall partitions
R-11 ELECTRICAL
This classification allows the licensee to install and repair residential electrical systems.
R-12 ELEVATORS
This classification allows the licensee to install and repair:
5. Stage and orchestra lifts
R-13 ASPHALT PAVING
This classification allows the licensee to install and repair paved areas using materials and methods common to the industry, including asphalt curbs, concrete bumper curbs, headers, and striping.
R-14 FENCING
This classification allows the licensee to install and repair:
5. 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.
R-15 BLASTING
This classification allows the licensee to drill, bore, move earth, and build temporary shelters or barricades, as required for the licensee’s use of explosives and explosive devices for:
3. Construction related blasting
R-16 FIRE PROTECTION SYSTEMS
This classification allows the licensee to install and repair fire prevention and fire protection systems including all mechanical apparatus, devices, piping, and equipment common to the fire protection industry. Installation and repair of low voltage signaling systems are also permitted by the R-16 but installation and repair of all other electrical devices, apparatus, and wiring must be subcontracted to a properly licensed contractor.
R-17 STRUCTURAL STEEL AND ALUMINUM
This classification allows the licensee to install and repair architectural and structural steel and aluminum materials common to the industry.
This classification also includes reinforcing steel and field layout, cutting, assembly, and erection by welding, bolting, wire tying or riveting.
R-21 HARDSCAPING AND IRRIGATION SYSTEMS
This classification allows the licensee to install, alter, and repair:
12. Free standing and uncovered outdoor kitchens – electric, plumbing, and gas must be subcontracted to a properly licensed contractor
With the exception of free standing fire pits, fireplaces, or barbeques, this classification does not allow the licensee to install, contract for, or subcontract new electrical service panels, gas or plumbing lines, blasting, covered outdoor kitchens, gazebos, room additions, swimming pools, pool deck coatings, barbeques, concrete driveways, load bearing walls, or perimeter fencing.
R-22 HOUSE MOVING
This classification allows the licensee to disconnect utilities, but connection of utilities and construction of foundations are not permitted.
R-24 ORNAMENTAL METALS
This classification allows the licensee to install, alter, or repair non-structural ornamental metal, such as:
6. Metal accessories common to the industry
This classification does not allow the licensee to install fire escapes or stairs.
R-31 MASONRY
This classification allows the licensee to grout, caulk, sand blast, tuckpoint, mortar wash, parge, clean and weld reinforcing steel as required for the licensee to install and repair:
9. Mortar-free masonry products
R-34 PAINTING AND WALL COVERING
This classification allows the licensee to perform surface preparation to install, apply, and repair:
6. Liquid floor and wall coatings
R-36 PLASTERING
This classification allows the licensee to install laths, metal studs, metal grid systems, or other bases as required for the licensee to coat surfaces by trowel or spray with combinations of:
5. Swimming pool interiors (excluding tile)
R-37 PLUMBING, INCLUDING SOLAR
This classification allows the licensee to install and repair water and gas piping systems, fire protection as it relates to water sprinkler systems, and sewage treatment systems. Included are all fixtures, vents, and devices common to the industry, as well as solar applications. This scope includes all R-37R subclassifications.
R-37R Plumbing
R-37R Built-in Central Vacuum Systems
R-37R Kitchen and Bathroom Fixture Refinishing
R-37R Swimming Pool Plumbing and Equipment
R-37R Gas Piping
R-37R Sewers, Drains and Pipe Laying
R-37R Solar Plumbing Liquid Systems Only
Upon the effective date of these rules, no new applications for the R-37R Built-in Central Vacuum Systems, Kitchen and Bathroom Fixture Refinishing, Swimming Pool Plumbing and Equipment, Gas Piping, Sewers, Drains and Pipe Laying, and Solar Plumbing Liquid Systems Only license classifications will be accepted and no new R-37R licenses in these classifications will be issued.
R-38 SIGNS
This classification allows the licensee to install and repair posts, poles, supports, paint, and electrical wiring as required for the licensee to install and repair:
3. Flagpoles
R-39 AIR CONDITIONING AND REFRIGERATION, INCLUDING SOLAR
This classification allows the licensee to install and repair comfort air conditioning systems, including refrigeration, evaporative cooling, ventilating, and heating with or without solar equipment. Installation and repair of machinery, units, accessories, refrigerator rooms, and insulated refrigerator spaces, and controls in refrigerators.
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. This scope includes all R-39R subclassifications.
R-39R Air Conditioning and Refrigeration
R-39R Temperature Control Systems
R-39R Warm Air Heating, Evaporative Cooling and Ventilating
R-39R Evaporative Cooling and Ventilators
Upon the effective date of these rules, no new applications for the R-39R Gas Refrigeration, Temperature Control Systems, Warm Air Heating, Evaporative Cooling and Ventilating, Evaporative Cooling and Ventilators, and Pre-Coolers license classifications will be accepted and no new R-39R licenses in these classifications will be issued.
R-40 INSULATION
This classification allows the licensee to install and repair:
3. Insulation protecting materials
R-41 SEPTIC TANKS AND SYSTEMS
This classification allows the licensee to excavate, install and repair pipe, backfill, and compact soil as required for the licensee to install and repair:
3. Leaching fields
R-42 ROOFING
This classification allows the licensee to apply, repair, or install weatherproofing (i.e. asphaltum, pitch, tar, felt, glass fabric, flax, or other commonly used materials or systems) or roof accessories (i.e. flashing, valleys, gravel stops, or sheet metal) as required for the licensee to install and repair:
7. Roof insulation or coatings on or above the roof deck
This classification allows the licensee to replace up to 10 percent of the total roof substrate square footage as it relates to issues with substrate discovered after execution of the initial contract. Replacing more than 10 percent of the roof substrate square footage as it relates to issues with substrate discovered after execution of the initial contract requires licensee to subcontract work to a properly licensed contractor.
This classification also allows the licensee to install new or replace existing skylights where it does not require changes to the roof framing or roof structure and replace fascia not to exceed 24 linear feet.
Licensee may lift HVAC equipment to allow for proper installation of roofing material. However, the licensee must subcontract work to a properly licensed contractor if HVAC equipment ducting requires any modification to allow for proper installation of roofing material.
R-45 SHEET METAL
This classification allows the licensee to install and repair:
12. Metal roofing systems
R-48 CERAMIC, PLASTIC AND METAL TILE
This classification allows the licensee to prepare a surface as required for the licensee to install and repair the following tile products on horizontal and vertical surfaces:
10. Terrazzo
Installation of shower doors and tub enclosures are included when a part of the original contract.
R-53 DRILLING
This classification allows the licensee to install and repair wells, including test boring, exploratory drilling and all materials and devices common to the industry.
R-54 WATER CONDITIONING EQUIPMENT
This classification allows the licensee to perform trenching, backfilling, and grading; and install and repair piping, fittings, valves, concrete supports, and electrical control panels of less than 25 volts and required grounding devices; as required for the licensee to install and repair:
4. Indirect waste pipe carrying brine, backwash and rinse water to the point of disposal
R-56 WELDING
This classification allows the licensee to weld metals.
R-57 WRECKING
This classification allows the licensee to install and repair temporary ramps, barricades, and pedestrian walkways as required for the licensee to demolish, dismantle, or remove structures not intended for reuse.
This classification does not allow the licensee to use explosives.
R-60 FINISH CARPENTRY
This classification allows the licensee to install and repair millwork such as:
7. Wood flooring
R-61 CARPENTRY, REMODELING AND REPAIRS
For projects of $50,000 or less including labor and materials, this classification allows the licensee to perform all general remodeling, additions, replacements, and repairs to existing structures.
Work related to electrical, plumbing, air conditioning systems, and boilers must be subcontracted to an appropriately licensed contractor.
R-62 MINOR HOME IMPROVEMENTS
For projects of $5,000 or less including labor and materials, this classification allows the licensee to perform remodeling, repairs, and improvements to existing structures or appurtenances. The minor home improvement contractor shall not perform structural work to any existing structures or appurtenances, including load bearing masonry or concrete work (with the exception of on-grade flat work), and load bearing carpentry work (with the exception of patio or porch covers).
Any work related to electrical, plumbing, air conditioning systems, and boilers must be subcontracted to an appropriately licensed contractor.
R-63 APPLIANCES
This classification allows the licensee to install and repair appliances.
This classification does not allow the licensee to install or repair gas, electrical, or plumbing lines.
R-65 GLAZING
This classification allows the licensee to install and repair weatherproofing, caulking, sealants, and adhesives as required for the licensee to assemble, install and repair:
4. Steel and aluminum glass holding members
R-67 LOW VOLTAGE COMMUNICATION SYSTEMS
This classification allows the licensee to build antenna towers on existing structures as required for the licensee to install, service and repair:
9. Master and program clocks (only low voltage wiring and needed equipment)
R-70 REINFORCING BAR AND WIRE MESH
This classification allows the licensee to install and repair:
B- GENERAL RESIDENTIAL CONTRACTOR
This classification allows the licensee to construct and repair all or any part of a residential structure or appurtenance. 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-1, or B-2 scopes.
B-3 GENERAL REMODELING AND REPAIR CONTRACTOR
This classification allows the licensee to remodel and repair an existing residential structure or appurtenance except for electrical, plumbing, mechanical, boilers, swimming pools, spas and water wells, which must be subcontracted to an appropriately licensed contractor. The scope of work allowed under the R-7 carpentry classification is included within this scope.
B-4 GENERAL RESIDENTIAL ENGINEERING CONTRACTOR
This classification allows the licensee to construct and repair appurtenances to residential structures. Work related to electrical, plumbing, air conditioning systems, boilers, and water wells must be subcontracted to an appropriately licensed contractor. This scope includes the CR-21, B-5, and all B-4R subclassifications.
B-4R Sport Court Accessories
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.
B-5 GENERAL SWIMMING POOL CONTRACTOR
This classification allows the licensee to construct and repair swimming pools and spas. Installation of code-required pool barriers around the swimming pool or spa and installation of utilities from the point of service to the pool equipment. Construction of other structures or appurtenances is excluded. This scope includes all B-5R subclassifications.
B-5R Swimming Pool Covers
B-5R Factory Fabricated Pools & Accessories
Upon the effective date of these rules, no new applications for the B-5R classifications will be accepted and no new B-5R licenses will be issued.
B-6 GENERAL SWIMMING POOL CONTRACTOR, INCLUDING SOLAR
This classification allows the licensee to perform the same scope of work permitted by the B-5 (including all B-5R subclassifications) but also includes installation and repair of solar heating devices.
B-10 PREMANUFACTURED SPAS AND HOT TUBS
This classification allows the licensee to construct and repair spas and hot tubs. Installation of code-required pool barriers around the spa or hot tub and installation of utilities from the point of service to the spa equipment are included.
R-1 ACOUSTICAL SYSTEMS
This classification allows the licensee to install and repair pre-manufactured acoustical ceiling and wall systems.
This classification does not allow the licensee to install or repair electrical or mechanical systems.
R-2 EXCAVATING, GRADING AND OILSURFACING
This classification allows the licensee to apply oil surfacing or other similar products and place shoring, casing, geotextiles or liners as required for the licensee to move, alter, or repair earthen materials by:
Former Rule 3. Amended effective May 20, 1975, Amended effective June 13, 1975, Amended effective August 8, 1975, Amended effective August 25, 1975 (Supp. 75-1). Amended effective January 9, 1976, subsection (B) of former Section R4-9-02 renumbered as Section R4-9-03 effective February 23, 1976 (Supp. 76-1). Amended effective March 11, 1976 (Supp. 76-2). Correction, Historical Note for Supp. 76-1 should read former Section R4-9-03 repealed, new Section R4-9-03 adopted effective February 23, 1975 (Supp. 76-4). Amended effective November 23, 1976 (Supp. 76-5). Amended effective October 14, 1977 (Supp. 77-5). C-4 and C-37 amended effective December 9, 1977 (Supp. 77-6). Correction, Historical Note for Supp. 76-4 should read former Section R4-9-03 repealed, new Section R4-9-03 adopted effective February 23, 1976 (Supp. 78-1). Amended effective September 13, 1978 (Supp. 78-5). Amended effective April 2, 1979 (Supp. 79-2). Amended effective November 21, 1979 (Supp. 79-6). Amended effective July 10, 1980 (Supp. 80-4). Amended effective July 11, 1980 (Supp. 80-4). Amended effective July 28, 1980 (Supp. 80-4). Amending effective August 15, 1980 (Supp. 80-4). Amended effective August 19, 1980 (Supp. 80-4). Amended effective September 5, 1980 (Supp. 80-5). Amended effective April 18, 1984 (Supp. 84-2). Former Section R4-9-03 renumbered without change as Section R4-9-103 (Supp. 87-3). Amended effective September 13, 1989 (Supp. 89-3). Amended effective January 20, 1998 (Supp. 98-1). Amended to correct typographical errors (Supp. 99-4). Amended by final rulemaking at 20 A.A.R. 568, effective July 1, 2014 (Supp. 14-1). Amended by final rulemaking at 23 A.A.R. 2525, effective November 5, 2017 (Supp. 17-3).