With over 14 years of experience preparing candidates for the contractor exams for the trade and business and law, 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, CD-ROMs, crash courses and more.

To become a certified contractor in Arizona, you must pass a Business and Law exam. Depending on the classification you need, you may need to pass a trade exam as well. If you are unsure what your classification requires, please use our Information Request Form.

Below is a list of available contractor licenses in Arizona that we can help you to obtain.

General Contractor:

B - General Residential Contractor

General Contractor (excluding residential)
Mechanical Contractor (requires mechanical administrator)
Specialty Construction
Acoustical and Insulation Contractor
Asbestos Abatement Contractor
Carpentry Contractor, Finish
Carpentry Contractor, Rough
Communications Contractor (requires elec. administrator)
Concrete and Paving Contractor
Demolition Contractor
Drilling Contractor
Electrical Contractor (requires elec. administrator)
Elevator and Conveying System Contractor
Excavation Contractor
Fence & Guardrail Contractor
Floor Covering Contractor
Glazing Contractor
Landscaping Contractor
Liquid or Gas Storage Tank Contractor
Low Voltage Alarm and Signaling Device Contractor
Marine Contractor
Masonry Contractor
Painting Contractor
Plaster Contractor
Road Construction Contractor
Roofing Contractor
Security System Contractor
Sheet Metal Contractor
Sign Contractor
Solid Fuel Appliance Contractor
Tile and Terrazzo Contractor
Wallcovering Contractor
Water and Sewer Contractor
Water System Contractor
Welding Contractor

Every contractor is required to pass the OSHA exam.