Aim High Enterprises

ASB: Asbestos Certification

An add-on certification that allows a contractor to perform asbestos abatement work within the scope of their existing license classification(s). This is not a standalone license.

Not authorized: Can only perform abatement within existing classification scope.

B: General Building Contractor

Authorizes construction of structures including residential, commercial, and industrial buildings requiring at least two unrelated building trades or crafts. May take prime contracts or subcontracts for framing or carpentry. May subcontract all specialty work but must hold the appropriate C license to self-perform specialty trade work.

Not authorized: Cannot self-perform specialty trade work (electrical, plumbing, HVAC, etc.) without holding the corresponding C license. Cannot contract for C-16 Fire Protection or C-57 Well Drilling without the appropriate license or subcontractor.

C-7: Low Voltage Systems Contractor

Installs, services, and maintains communication and low voltage systems not exceeding 91 volts, including telephone, sound, cable television, closed-circuit video, satellite dish antennas, instrumentation, temperature controls, and low voltage landscape lighting.

Not authorized: Does not include low voltage fire alarm systems or systems exceeding 91 volts (see C-10).

C-9: Drywall Contractor

Lays out and installs gypsum wall board and assemblies, including nonstructural metal framing members, and performs taping and texturing operations to produce a continuous smooth or textured surface.

Not authorized: Does not include lathing and plastering (see C-35).

C-10: Electrical Contractor

Places, installs, erects, or connects electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof which generate, transmit, transform, or utilize electrical energy.

Not authorized: Electricians working under a C-10 must be certified per CA Labor Code.

C-27: Landscaping Contractor

Constructs, maintains, repairs, and installs landscape systems and facilities for public and private gardens, including preparing and grading plots for architectural, horticultural, and decorative treatments.

C-33: Painting and Decorating Contractor

Prepares surfaces by scraping, sandblasting, or other means and applies paints, papers, textures, fabrics, pigments, oils, varnishes, shellacs, stains, waxes, adhesives, and other coatings for decorating, protecting, fireproofing, and waterproofing.

C-36: Plumbing Contractor

Provides means for a supply of safe water and proper disposal of fluid waste, including piping, storage tanks, venting, gas appliances and connections, water and gas piping, water heating equipment including solar, and health and safety devices such as backflow preventers and gas earthquake valves.

Not authorized: Does not include forced warm-air units (see C-20).

D12: Synthetic Products

Installs synthetic products and materials in construction.

D16: Hardware, Locks and Safes

Installs, maintains, and repairs hardware, locks, and safes in construction settings.

D28: Doors, Gates and Activating Devices

Installs, maintains, and repairs doors, gates, and their activating devices including automatic openers.

D38: Sand and Water Blasting

Performs sand blasting and water blasting services.

D42: Sign Installation

Installs non-electrical signs.

Not authorized: Does not include electrical sign work (see C-45).

D52: Window Coverings

Installs window coverings including blinds, shades, and shutters.

D63: Construction Clean-Up

Provides construction site clean-up services.

D65: Weatherization and Energy Conservation

Performs weatherization and energy conservation work on structures.

HAZ: Hazardous Substance Removal Certification

An add-on certification for removal of hazardous substances. Only issued to contractors holding A, B, C-12, C-21, C-36, C-57, or C-61/D-40 licenses.

Not authorized: Restricted to contractors holding qualifying base licenses.