Arizona Contractor License Classifications

Drilling (A-4)

Drill, including horizontal and vertical drilling or boring, constructing, deepening, repairing or abandoning wells; exploring for water, gas and oil; constructing dry wells and monitor wells. Includes erection of rigs, derricks and related substructures, and installation, service and repair of pumps and pumping equipment.

Excavating, Grading and Oil Surfacing (A-5)

Apply oil surfacing or similar products; place shoring, casing, geotextiles or liners; perform incidental blasting or drilling as required to move, alter or repair earthen materials by digging, trenching, grading, horizontal boring, compacting and filling.

*** Does NOT allow excavating for water, gas or oil wells. THE COMMERCIAL DIRTWORK ANSWER.

Piers and Foundations (A-7)

Install piers and foundations using concrete, rebar, post-tension and other materials common to the industry. Includes pile driving, excavation, forming and other techniques and equipment common to the industry.

Swimming Pools (A-9)

Construct, service and repair 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. Includes installation of pool accessories, covers, safety devices and fencing for protective purposes if in the original contract.

Steel and Aluminum Erection (A-11)

Install and repair architectural and structural steel and aluminum materials common to the industry. Includes reinforcing steel and field layout, cutting, assembly and erection by welding, bolting, wire tying or riveting.

Sewers, Drains and Pipe Laying (A-12)

Install and repair any project involving sewer access holes, laying of pipe for storm drains, water and gas lines, irrigation and sewers. Includes connecting sewer collector lines to building drains and installation of septic tanks, leach lines, dry wells, all necessary connections, liners and related excavating and backfilling.

Asphalt Paving (A-14)

Install asphalt paving and all related fine grading on streets, highways, driveways, parking lots, tennis courts, running tracks, play areas, and gas station driveways and areas. Permits excavation and grading for height adjustment of existing sewer access holes, storm drains, water valves, sewer cleanouts and drain gates, only as it pertains to the larger scope. Includes the A-15 Seal Coating scope.

Seal Coating (A-15)

Apply seal coating to asphalt paving surfaces. Also allows repair of surface cracks and application of painted marking symbols.

Waterworks (A-16)

All work necessary for production and distribution of water including drilling well, setting casing and pump, related electrical work, related concrete work, excavation, piping for storage and distribution, storage tanks, related fencing, purification and chlorination equipment.

Electrical and Transmission Lines (A-17)

Install, alter and repair transmission lines on public right-of-ways, including erection of poles, guying systems, tower line erection, cellular and communication towers, street lighting of all voltages, and all underground systems including ducts for signal, communication and similar installations. Also allows installation of transformers, circuit breakers, capacitors, primary metering devices and other related equipment of all commercial electrical construction.

Note: C-11 Electrical does NOT permit work in public right-of-ways - that is A-17.

Swimming Pools, Including Solar (A-19)

Same scope as A-9 plus installation and repair of solar heating devices.

General Swimming Pool Contractor (B-5)

Construct and repair swimming pools and spas. Installation of code-required pool barriers around the pool or spa and installation of utilities from the point of service to the pool equipment. Includes all B-5R subclassifications.

*** Construction of other structures or appurtenances is EXCLUDED.

General Swimming Pool Contractor, Including Solar (B-6)

Same scope as B-5 (including all B-5R subclassifications) plus installation and repair of solar heating devices.

Pre-Manufactured Spas and Hot Tubs (B-10)

Construct and repair spas and hot tubs. Includes code-required barriers around the spa or hot tub and installation of utilities from the point of service to the spa equipment.

Acoustical Systems (R-1)

Install and repair pre-manufactured acoustical ceiling and wall systems.

Does NOT allow installing or repairing electrical or mechanical systems.

Excavating, Grading and Oil Surfacing (R-2)

Apply oil surfacing or similar products and place shoring, casing, geotextiles or liners as required to move, alter or repair earthen materials by digging, trenching, grading, horizontal boring, compacting and filling.

THE RESIDENTIAL DIRTWORK ANSWER. Unlike commercial A-5, no express blasting/drilling authority.

Awnings, Canopies, Carports and Patio Covers (R-3)

Place concrete footings and slabs as required to install and repair window awnings, door hoods, freestanding or attached canopies, carport and patio covers of metal/fabric/fiberglass/plastic, screened and paneled enclosures not intended as habitable space (minimum 60% of wall area must be screening material), fascia panels, flashing and skirting, and exterior detached metal storage units not exceeding 200 square feet.

*** Does NOT allow electrical, plumbing or air conditioning. NOTE: residential storage-unit cap is 200 sq ft; the COMMERCIAL C-3 cap is only 120 sq ft.

Boilers, Including Solar (R-4)

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.

*** A new circuit may be added to an existing service panel or sub-panel, but installation of a NEW service panel or sub-panel is EXCLUDED.

Swimming Pool Service and Repair (R-6)

Service and perform minor repair of residential pools and accessories.

*** EXCLUDES plumbing connections to a potable water system, gas lines, gas chlorine systems, and electrical work beyond the first disconnect. Does NOT allow complete replacement of plaster or pebble pool interiors and decks.

Carpentry (R-7)

Install and repair rough carpentry, finish carpentry, hardware, millwork, metal studs, metal doors or door frames, and windows.

Floor Covering (R-8)

Prepare a surface as required to install and repair carpet, floor tile, wood, linoleum, vinyl, asphalt, rubber and concrete coatings.

Concrete (R-9)

Install and repair concrete, concrete products and accessories common to the industry.

NOTE: commercial C-9 ALSO expressly allows trenching, excavating, backfilling and grading in connection with concrete - R-9 does not state this.

Drywall (R-10)

Install and repair gypsum wall board, ceiling grid systems as supporting members for gypsum drywall, movable partitions, wall board tape and texture, and non-load bearing lightweight steel wall partitions.

Electrical (R-11)

Install and repair residential electrical systems.

Elevators (R-12)

Install and repair elevators, dumbwaiters, escalators, moving walks and ramps, and stage and orchestra lifts.

Asphalt Paving (R-13)

Install and repair paved areas using materials and methods common to the industry, including asphalt curbs, concrete bumper curbs, headers and striping.

Fencing (R-14)

Install and repair metal, wood and cement block fencing; automatic gates; fire access strobes; cattle guards; and low voltage UL approved electrical fence protective devices of less than 25 volts and 100 watts.

*** Does NOT allow installing or repairing RETAINING WALLS.

Blasting (R-15)

Drill, bore, move earth, and build temporary shelters or barricades as required for use of explosives and explosive devices for excavation, demolition and construction related blasting.

Commercial C-15 additionally covers geological exploration and mining.

Fire Protection Systems (R-16)

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 is permitted.

*** Installation and repair of ALL OTHER electrical devices, apparatus and wiring must be subcontracted to a properly licensed contractor.

Structural Steel and Aluminum (R-17)

Install and repair architectural and structural steel and aluminum materials common to the industry.

Hardscaping and Irrigation Systems (R-21)

Install, alter and repair: non-loadbearing concrete; uncovered patios, walkways and driveways of brick, stone, pavers or gravel; wooden decks no higher than 29 inches above finish grade; decorative garden walls up to six feet; fences and screens up to six feet; retaining walls up to three feet from finish grade of the lower elevation; free standing fire pits, fireplaces or barbeques; low voltage landscape lighting; water features not attached to swimming pools (incl. wiring 120V or less, potable water connection, backflow devices, hose bibs, excavating, trenching, boring, backfilling, grading); irrigation systems (same incidentals); residential outdoor misting systems, freestanding or attached, not more than 1000 PSI; and free standing uncovered outdoor kitchens.

*** HARD CAPS: decks 29 in, garden walls 6 ft, fences 6 ft, retaining walls 3 ft, misting 1000 PSI. Electric/plumbing/gas for fire pits and outdoor kitchens MUST be subcontracted. Does NOT allow new electrical service panels, gas or plumbing lines, blasting, COVERED outdoor kitchens, gazebos, room additions, swimming pools, pool deck coatings, CONCRETE DRIVEWAYS, load bearing walls, or PERIMETER FENCING.

House Moving (R-22)

House moving; licensee may disconnect utilities.

*** Connection of utilities and construction of foundations are NOT permitted.

Ornamental Metals (R-24)

Install, alter or repair non-structural ornamental metal such as metal folding gates, guard and hand rails, wrought iron fencing and gates, window shutters and grilles, room dividers and shields, and metal accessories common to the industry.

*** Does NOT allow installing FIRE ESCAPES or STAIRS.

Masonry (R-31)

Grout, caulk, sand blast, tuckpoint, mortar wash, parge, clean and weld reinforcing steel as required to install and repair masonry, brick, concrete block, insulating concrete forms, adobe units, stone, marble, slate and mortar-free masonry products.

Painting and Wall Covering (R-34)

Surface preparation to install, apply and repair wallpaper, wall covering cloth, wall covering vinyl, decorative texture, paint, and liquid floor and wall coatings.

Plastering (R-36)

Install laths, metal studs, metal grid systems or other bases as required to coat surfaces by trowel or spray with sand mixtures (e.g. stucco), gypsum plaster, cement, acoustical plaster, and swimming pool interiors.

Swimming pool interiors EXCLUDE tile (that is R-48).

Plumbing, Including Solar (R-37)

Install and repair water and gas piping systems, fire protection as it relates to water sprinkler systems, and sewage treatment systems. Includes all fixtures, vents and devices common to the industry, as well as solar applications. Includes all R-37R subclassifications.

*** CLOSED SUBCLASSES: no new applications or licenses are issued for R-37R Built-in Central Vacuum Systems, Kitchen and Bathroom Fixture Refinishing, Swimming Pool Plumbing and Equipment, Gas Piping, Sewers Drains and Pipe Laying, or Solar Plumbing Liquid Systems Only. Existing holders may still be current.

Air Conditioning and Refrigeration, Including Solar (R-39)

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, insulated refrigerator spaces and controls in refrigerators. Includes all R-39R subclassifications.

*** New circuit may be added to existing panel; installation of a NEW service panel or sub-panel is EXCLUDED. CLOSED SUBCLASSES: no new R-39R licenses issued for Gas Refrigeration, Temperature Control Systems, Warm Air Heating/Evaporative Cooling/Ventilating, Evaporative Cooling and Ventilators, or Pre-Coolers.

Insulation (R-40)

Install and repair insulation materials including radiant barriers, preformed architectural acoustical materials, and insulation protecting materials.

Septic Tanks and Systems (R-41)

Excavate, install and repair pipe, backfill and compact soil as required to install and repair septic tanks, aerobic digesters and leaching fields.

Roofing (R-42)

Apply, repair or install weatherproofing (asphaltum, pitch, tar, felt, glass fabric, flax or other commonly used materials or systems) or roof accessories (flashing, valleys, gravel stops, sheet metal) as required to install and repair roof tile, shingles, shakes, slate, metal roofing systems, urethane foam, and roof insulation or coatings on or above the roof deck. Allows installing new or replacing existing skylights where no changes to roof framing or structure are required, and replacing fascia not to exceed 24 linear feet. Licensee may lift HVAC equipment to allow proper installation of roofing material.

*** May replace up to 10% of total roof substrate square footage for substrate issues discovered after contract execution; MORE than 10% must be subcontracted. If HVAC DUCTING requires modification, that must be subcontracted. Fascia capped at 24 linear feet.

Sheet Metal (R-45)

Install and repair sheet metal, cornices, flashings, gutters, leaders, pans, kitchen equipment, duct work, skylights, patented chimneys, metal flues and metal roofing systems.

Ceramic, Plastic and Metal Tile (R-48)

Prepare a surface as required to install and repair ceramic, clay, faience, metal, mosaic, glass mosaic, paver, plastic, quarry and stone tiles such as marble or slate, and terrazzo, on horizontal and vertical surfaces. Installation of shower doors and tub enclosures is included when part of the original contract.

Drilling (R-53)

Install and repair wells, including test boring, exploratory drilling and all materials and devices common to the industry.

Water Conditioning Equipment (R-54)

Perform trenching, backfilling and grading; install and repair piping, fittings, valves, concrete supports, and electrical control panels of less than 25 volts and required grounding devices, as required to install and repair water conditioning equipment, misting systems, exchange tanks, and indirect waste pipe carrying brine, backwash and rinse water to the point of disposal.

Wrecking (R-57)

Install and repair temporary ramps, barricades and pedestrian walkways as required to demolish, dismantle or remove structures not intended for reuse.

*** Does NOT allow the use of EXPLOSIVES.

Finish Carpentry (R-60)

Install and repair millwork such as cabinets, counter tops, case sash, door trim, metal doors, automatic door closers and wood flooring.

Carpentry, Remodeling and Repairs (R-61)

For projects of $50,000 or less including labor and materials: all general remodeling, additions, replacements and repairs to existing structures.

*** $50,000 CAP. MUST SUBCONTRACT electrical, plumbing, air conditioning systems and boilers.

Minor Home Improvements (R-62)

For projects of $5,000 or less including labor and materials: remodeling, repairs and improvements to existing structures or appurtenances.

*** $5,000 CAP. Shall NOT perform structural work, including load bearing masonry or concrete (except on-grade flat work) and load bearing carpentry (except patio or porch covers). MUST SUBCONTRACT electrical, plumbing, air conditioning and boilers.

Glazing (R-65)

Install and repair weatherproofing, caulking, sealants and adhesives as required to assemble, install and repair glass products, window film, window treatments such as blinds or shutters, and steel and aluminum glass holding members.

Low Voltage Communication Systems (R-67)

Build antenna towers on existing structures as required to install, service and repair alarm systems, telephone systems, sound systems, intercommunication systems, public addressing systems, television or video systems, low voltage signaling devices, low voltage landscape lighting not exceeding 91 volts, and master and program clocks (low voltage wiring and needed equipment only).

Reinforcing Bar and Wire Mesh (R-70)

Install and repair reinforcing bar, post-tension and wire mesh.