With over 17 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 Maryland, you must pass a Business, Law and Management 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.

Contractor School Online (CSO) will assist you with their professional consultants and provide study materials, also practice tests for the Business, Law, and Management and trade if available. If purchases are made elsewhere make sure the correct author, title and year are appropriate for the trade.

CSO Business and Law Practice Test coincides with the required State Contractor’s Manual.

Please note: Inventory Pricing, Contractors State Bonding and Subjects may change without notice.

Business, Law and Management Online Practice Test ($75) Content Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Business, Law and Management Manual ($57.98) Business, Law and Management Manual

Home Improvement Online Practice Test ($85) Content Home Improvement Online Practice Test 3 Months Access, Available 24/7

Low Voltage Online Practice Test ($85) Content Low Voltage Online Practice Test 3 Months Access, Available 24/7

Electrical Online Practice Test ($85) Content Electrical Online Practice Test 3 Months Access, Available 24/7

Framing, Millwork, Cabinets, Finish & Rough Carpentry Online Practice Test ($85) Content Framing, Millwork, Cabinets, Finish & Rough Carpentry Online Practice Test 3 Months Access, Available 24/7

General Contractor Online Practice Test ($85) Content Home Improvement Online Practice Test 3 Months Access, Available 24/7

Heating and Air Conditioning Online Practice Test ($85) Content Heating and Air Conditioning Online Practice Test 3 Months Access, Available 24/7

Home Improvement Combo Package #1 ($150) Home Improvement Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Home Improvement Combo Package #2 ($202.98) Home Improvement Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

Low Voltage Combo Package #1 ($150) Low Voltage Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Low Voltage Combo Package #2 ($202.98) Low Voltage Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

Electrical Combo Package #1 ($150) Electrical Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Electrical Combo Package #2 ($202.98) Electrical Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

Framing, Millwork, Cabinets, Finish & Rough Carpentry Combo Package #1 ($150) Framing, Millwork, Cabinets, Finish & Rough Carpentry Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Framing, Millwork, Cabinets, Finish & Rough Carpentry Combo Package #2 ($202.98) Framing, Millwork, Cabinets, Finish & Rough Carpentry Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

General Contractor Combo Package #1 ($150) General Contractor Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

General Contractor Combo Package #2 ($202.98) General Contractor Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

Heating and Air Conditioning Combo Package #1 ($150) Heating and Air Conditioning Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7

Heating and Air Conditioning Combo Package #2 ($202.98) Heating and Air Conditioning Online Practice Test Business, Law and Management Online Practice Test 3 Months Access, Available 24/7 Business, Law and Management Manual

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

Home Improvement:

• Contractor
• Subcontractor
• Salesman

Plumbing:

• Apprentice
• Journeyman
• Master
• Propane gas fitters certificate

HVACR:

• Apprentice
• Journeyman
• Limited
• Restricted Master
• Master

Electrical:

• Master