With over 14 years of experience in trade licensing, Contractor School Online (CSO) is your primary resource to help you pass your state contractor license exam! We offer online practice tests, study materials, books and more.

To become a certified contractor in New Mexico, you must pass a Business and Law exam. Depending on the trade you are interested in, you may also be required to pass a trade exam as well. Please use our Information Request Form to find out more.

Below is a list of available license classifications in New Mexico that we can help you to obtain.

General Construction:

• GA Asphalt, Bitumen & Concrete Construction
• GA-1 Streets, Roads & Highways, including Tunnels, Parking Lots, Alleys, Seal coat and Surfacing
• GA-2 Maintenance & Repairs
• GA-3 Curbs, Gutters & Culverts
• GA-4 Striping
• GA-5 Highway Signs & Guard Rails
• GA-98 Includes all of the above sections

Building Construction:

• GB-2 Residential Building
• GB-98 General Building

Fixed Works:

• GF-1 Airports
• GF-2 Bridges
• GF-3 Canals, Reservoirs or Irrigation Systems
• GF-4 Drainage or Flood Control Systems
• GF-5 Recreation Areas
• GF-6 Railroad & Tunnel Construction
• GF-7 Tanks & Towers
• GF-8 Transmission Lines, Tanks & Substations (non-elec.)
• GF-9 Utility Lines (sewage, natural gas, water, & underground telephone cables)
• GF-98 Includes all above sections

Building Specialty:

• GS-1 Acoustical/Insulation, Urethane Foam
• GS-2 Awnings & Canopies
• GS-3 Ceramic Tile, Marble & Teffazzo
• GS-4 Concrete, Cement, Walkways & Driveways
• GS-5 Demolition
• GS-6 Door Installation
• GS-7 Drywall - Installation & Texture
• GS-8 Earth moving, Excavating & Ditching
• GS-9 Elevators, Escalators, Conveyers, etc.
• GS-10 Fencing
• GS-11 Fixtures, Cabinets, & Millwork
• GS-12 Floor Covering, Seamless & Wood Floors, & Finish
• GS-13 Framing
• GS-14 Glazing, Weather stripping, Storm Doors & Window Installation
• GS- 15 Cassions, Piers & Pile Driving
• GS-16 Masonry
• GS-17 Ornamental Iron & Welding
• GS-18 Painting & Decorating
• GS-19 Remodeling
• GS-20 Trenching & Backhoe Owner/Operator
• GS-21 Roofing
• GS-22 Sandblasting
• GS-23 Sign Construction (non-electrical)
• GS-24 Structural Steel Erection
• GS-25 Swimming Pools (non mechanical/electrical)
• GS-26 Vaults & Depositories
• GS-28 Gunite
• GS-29 Various Specialties
• GS-30 Plastering, Stucco, & Lathing
• GS-31 Siding
• GS-32 Sheet Metal
• GS-34 Concrete Coring, Drilling, & Slab Sawing

Electrical Classifications:

• EE-1 Residential Wiring
• EE-98 Electrical (includes EE-1 and ES Specialties)
• EL-1 Electrical Distribution Systems, including Transmission Lines

Electrical Specialty:

• ES-1 Electrical Signs & Outline Lighting
• ES-2 Cathodic Protection
• ES-3 Sound, Intercommunication & Electrical Alarm Systems
• ES-4 Electrical Traffic Control Systems
• ES-5 Microwave Communications Systems
• ES-6 Cable TV
• ES-7 Telephone Communication Systems
• ES-8 Telephone Interconnect Systems

Mechanical Classifications:

• MM-1 Plumbing
• MM-2 Natural Gas Fitting
• MM-3 Air Conditioning & Ventilation
• MM-4 Heating, Cooling & Process Piping
• MM-98 Mechanical (covers MM-1-4)

Mechanical Specialty:

• MS-1 Residential Plumbing
• MS-2 Residential Natural Gas Fitting
• MS-3 Cesspools, Septic Tanks or Sewers
• MS-4 Appliance Installation & Service
• MS-5 Evaporative Coolers
• MS-6 Lawn Sprinklers
• MS-7 Swimming Pool Piping
• MS-8 Water Conditioners
• MS-9 Refrigeration
• MS-10 Boiler Installation, Repair & Service
• MS-11 Controls (mechanical systems)
• MS-12 Fire Protection Sprinkler Systems
• MS-13 Pneumatic Tube Systems
• MS-14 Dry Chemical Fire Protection

Every contractor is required to pass the OSHA exam.