Before you can begin working in your state, you will need to register for your state contractor’s license. Most states also require a Contractor’s License Bond. See below for a list of Contractor’s State License Board links:

Alabama
General Contractors Board
2525 Fairlane Drive
Montgomery, AL 36116
(334) 272-5030

Arizona
Arizona Registrar of Contractors
1700 W. Washington St, Suite 105
Phoenix, AZ 85007
(602) 542-1525

Arkansas
Contractors Licensing Board
4100 Richards Road
North Little Rock, AR 72117
(501) 372-4661

California
Contractors State License Board
P.O. box 26000
Sacramento, CA 95826
800-321-CSLB(2752)

Connecticut
Department of Consumer Protection
165 Capitol Avenue
Hartford, CT 06106
860-713-6100

Delaware
Division of Revenue
Carvel State Building, 820 N. French Street
Wilmington, DE 19801
302-577-5800

District of Columbia
Department of Consumer and Regulatory Affairs
1100 4th Street SW
Washington, DC 20024
(202) 442-4400

Florida
Dept. of Business & Professional Regulation
1940 N. Monroe St
Tallahassee, FL 32399
850-487-1395

Georgia
Construction Industry Licensing Board
237 Coliseum Drive
Macon, GA 31217
478-207-1416

Hawaii
Dept of Commerce & Consumer Affairs
P.O. Box 3469
Honolulu, HI 96801
808-586-2700

Idaho
Division of Building Safety
1090 E. Waterfront Street, Ste 150
Meriman, ID 83642
208-334-3950

Illinois
Department of Professional Regulation
100 West Randolph, 9th Floor
Chicago, IL 60601
888-473-4858

Indiana
Indiana Professional Licensing Agency
302 West Washington Street, Room E034
Indianapolis, IN 46204-2700
317-232-2980

Iowa
Division of Labor
1000 East Grand Avenue
Des Moines, IA 50319
515-242-5871

Kansas
Dept. of Revenue – Division of Taxation
Robert B. Docking State Building
Topeka, KS 66625
913-296-0222

Kentucky
Dept. of Housing, Buildings, and Construction
101 Sea Hero Rd, Ste. 100
Frankfort, KY 40601
502-573-0365

Louisiana
Licensing Board for Contractors
2525 Quail Drive
Baton Rouge, LA 70808
225-765-2301

Maine
Professional & Financial Regulation
35 State House Station
Augusta, ME 04333
207-624-8690

Maryland
Division of Occupational & Professional Licensing
500 N. Calvert St, 3rd Floor
Baltimore, MD 21202
410-230-6231

Massachusetts
McCormack State Office Building
One Ashburton Place, Room 1301
Boston, MA 02108
617-727-3200

Michigan
Dept. of Licensing & Regulatory Affairs
P.O. Box 30004
Lansing, MI 48909
517-373-1820

Minnesota
Dept. of Labor & Industry
443 Lafayette Road North
St. Paul, MN 55155
800-342-5354

Mississippi
Mississippi State Board of Contractors
2679 Crane Ridge Drive, Ste. C
Jackson, MS 39216
601-354-6161

Missouri
Business Services
P.O. Box 778
Jefferson City, MO 65102
573-751-4153

Montana
Construction Contractor Registration Unit
P.O. Box 8011
Helena, MT 59604-8011
406-444-9029

Nevada
Nevada State Contractors Board – Reno Office
9670 Gateway Drive, Suite 100
Reno, NV 89521
775-688-1141

Nebraska
Nebraska Workforce Development – Department of Labor
5404 Cedar Street, 3rd Floor
Omaha, NE 68106
402-595-3183

New Hampshire
Secretary of State
State House, Room 204
107 North Main Street
Concord, NH 03301-4989
603-271-3246

New Jersey
Division of Consumer Affairs
Home Improvement Contractors
124 Halsey Street
Newark, NJ 07101
973-504-6370

New Mexico
Regulation and Licensing Department
2550 Cerrillos Road – 3rd Floor
Santa Fe, New Mexico 87505
505-476-4700

New York
NYS Department of State Division of Corporations
41 State Street
Albany, NY 12231
518-473-2492

North Carolina
North Carolina Licensing Board for General Contractors
P.O. Box 17187
Raleigh, NC 27619
919-571-4183

North Dakota
Secretary of State
600 East Boulevard Avenue, Dept. 108
Bismarck, ND 58505
701-328-2900

Ohio
Ohio Construction Industry Licensing Board
6606 Tussing Rd.
Reynoldsburg, OH 43068
614-644-2223

Oklahoma
Oklahoma Tax Commission
2501 Lincoln Blvd.
Oklahoma City, OK 73194
405-521-4437

Oregon
Construction Contractors Board
P.O. Box 14140
Salem, OR 97309-5052
503-378-4621

Pennsylvania
Department of General Services
18th and Herr Streets, Room 103
Harrisburg, PA 17125
717-783-7610

Rhode Island
Contractor’s Registration Board
One Capitol Hill, 2nd Floor
Providence, RI 02908-5859
401-222-1268

South Carolina
Dept of Labor, Licensing & Regulation
Synergy Business Park, Kingstree Building
110 Centerview Dr.
Columbia, SC 29210
803-896-4300

South Dakota
Department of Labor & Regulation
700 Governors Drive
Pierre, SD 57501
605-773-3101

Tennessee
Department of Commerce & Insurance
Board for Licensing Contractors
500 James Robertson Parkway, Suite 100
Nashville, TN 37243-0565
615-741-2241

Texas
Texas Dept of Licensing & Regulation
P.O. Box 12157
Austin, TX 78711
512-463-6599

Utah
Division of Occupational and Professional Licensing
P.O. Box 146741
Salt Lake City, UT 84114
801-530-6628

Vermont
Vermont Secretary of State
Office of Professional Regulation
89 Main Street, 3rd Floor
Montpelier, VT 05620
802-828-2363

Virginia
Department of Professional & Occupational Regulation
Board for Contractors
9600 Mayland Drive, Suite 400
Richmond, VA 23233-1485
804-367-8500

Washington
Department of Labor & Industries, Contractors Registration
P.O. Box 44450
Olympia, WA 98504-4450
360-902-5226

Wisconsin
Dept of Safety & Professional Services
P.O. Box 8935
Madison, WI 53708-8935
608-266-2112

Wyoming
State of Wyoming, Electrical Board
Department of Fire Prevention & Electrical Safety
320 West 25th St, 3rd Floor
Cheyenne, WY 82002
307-777-7288