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 North Carolina, 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 North Carolina that we can help you to obtain.

General Contractor:

• B Building
• R Residential

Highways Contractor:

• H-1 Grading & Excavating

Public Utilities Contractor:

• PU-1 Communications
• PU-2 Electrical
• PU-3 Fuel Distribution
• PU-4 Water & Sewer Lines
• PU-5 Water Purification & Sewage Disposal

Specialty Contractor:

• S-1 Boring & Tunneling
• S-2 Concrete
• S-3 Insulation
• S-4 Interiors
• S-5 Marine
• S-6 Masonry
• S-7 Metal Erection
• S-8 Railroad
• S-9 Roofing
• S-10 Swimming Pools
• S-11 Asbestos

Alarm Systems Contractor:

• A Alarm Systems License
• L Limited Monitoring & Response
• R Registered Installer

Contractor:

• L Limited - Projects of $25,000 or Less
• I Intermediate - Projects of $75,000 or Less
• U Unlimited
• SP-SFD Special Single Family Dwelling
• SP-EL Special Restricted - Elevators & Escalators
• SP-PH Special Restricted - Plumbing & A/C
• SP-WP Special Restricted - Groundwater Pumps
• SP-ES Special Restricted - Electrical Signs
• SP-LV Special Restricted - Low Voltage
• SP-SP Special Restricted - Swimming Pools

Plumbing Contractor:

• P-I Plumbing Unlimited
• P-II Plumbing Single Family Dwelling

HVAC Contractor:

• H-1-I Heating Systems Urdimited1
• H-1-II Heating Systems Single Family dwellings
• H-2 Comfort Cooling Systems over 15 tons capacity
• H-3-I Forced Warm Air Heating Systems Unlimited
• H-3-II Forced Warm Air Heating Systems Single Family Dwelling