State
License Requirements
Click
here for books on construction regulations
ALABAMA
State license required for home improvements of
$10,000 or more
State License Board (334) 242-2230
HVAC Licensing (334) 242-5550
ALASKA
State license required
State License Board (907) 269-8160 8am - 5pm Monday
thru Friday
ARIZONA
State license required
State License Board (602) 542-1525
www.rc.state.az.us/
Arizona Contractor
Center
Test Prep, Licensing, Bonding, Insurance, Payroll,
Office Support, Web Design/Hosting.
www.ArizonaContractorCenter.com
ARKANSAS
State license required for commercial jobs
$20,000 and up (including materials and labor)
Residential jobs, check with local government
State License Board (501) 372-4661
CALIFORNIA
State license required for jobs over $500
State License Board 1-800-321-2752
http://www.cslb.ca.gov/
COLORADO
No state license required, check local county
planning board or look online at http://www.pueblo.gsa.gov/housing.htm
CONNECTICUT
Contractors must register with State Consumer
Protection Board, Home Improvement Division
(860) 713-6000
DELAWARE
Contractors are licensed through the Department
of Revenue
Department of Revenue (302) 577-8778
DISTRICT OF
COLUMBIA
Occupational and Professional Licensing
Administration:
(202) 727-7825
http://www.dcra.org
FLORIDA
Contractors who wish to work statewide must
pass a state exam
To work in a specific county, must possess a
registered license
State License Board (850) 487-1395
Search for Florida Contractor License:
http://www.state.fl.us/dbpr
GEORGIA
Plumbing, Electrical, HVAC only requires
licensing.
State Board of Construction: (912)
207-1416
http://www.sos.state.ga.us/ebd-construct/
HAWAII
State license required
State License Board (808) 586-3000
IDAHO
State license required only for HVAC and
electrical contractors
Check local government for others
208-327-7326
ILLINOIS
State license required for plumbing, roofing
and electrical
Check local government for other trades
State License Board (217) 782-0458
INDIANA
No state license required, check local
government
IOWA
Contractors are licensed through the Labor
Division
Call (515) 281-3606
KANSAS
No state license required, check local
government
KENTUCKY
Only HVAC contractors require a state license,
check local government for others
HVAC License: Department of Housing, Building &
Construction (502) 564-8090
LOUISIANA
Contractors Licensing Board 800-256-1392
State license required for commercial contractors
and
residential contractors performing work over
$50,000.
MAINE
Maine Public Protection Office (207) 626-8849
(9am to noon M-F)
MARYLAND
Home improvement contractors must register with
Home Improvement Commission
Builders (new construction), check local
government
Home Improvement Commission (410) 333-6309
http://www.dllr.state.md.us/query/home_imprv.html
MASSACHUSETTS
Home improvement contractors must register with
Director of Home Improvement Registration
(617)727-8598
Builders (new construction), require a Construction
Supervisor's License
Cashier's Office/Licensing (617) 727-3200
http://www.state.ma.us/bbrs/cslsearch.htm
MICHIGAN
Department of Consumer & Industry
Services:
Builders/Residential: 517-241-9254
Electrical Division: 517-241-9320
Plumbing Division: 517-241-9330
Mechanical Division: 517-241-9325
Verification Board: 900-555-8374
MINNESOTA
State license required
State License Department (651) 296-6319
Plumbers licensed through the Department of Health
(651) 215-0836
MISSISSIPPI
601-354-6161
MISSOURI
No state license required, check local
government
MONTANA
State license required only for government
jobs, check local government for others
NEBRASKA
State license required only for Journeyman
Electricians, check local government for others
NEVADA
State license required
State Contractors Board (702) 486-1100
http://www.state.nv.us/nscb
NEW HAMPSHIRE
No state license required, check local
government
NEW JERSEY
State license required for builders (new
construction)
Check local government for home improvement
contractors
Office of Community Affairs (Licensing) (609)
984-1704
NEW MEXICO
Contractors must register with Construction
Industries Division (505) 827-7030
NEW YORK
No state license required, check local
government
NORTH CAROLINA
State license required for jobs over $30,000
(labor & materials)
Others check local Department of Revenue
State License Board (919) 571-4183
http://nclbgc.net/lic_fr.html
State Board of Examiners: Plumbing, Heating
& Fire Sprinklers
(919) 875-3612
NORTH DAKOTA
State license required
North Dakota Secretary of State (701) 328-3665
OHIO
No state license required, check local
government
OKLAHOMA
State license required only for termite
extermination
Check local government for others
Department of Agriculture (405) 521-3864
OREGON
State license required
www.ccb.state.or.us
Construction Contractors Board (541) 365-7484 or
(503) 378-4621, ext. 4900
PENNSYLVANIA
No state license required, check local
government
RHODE ISLAND
State license required
Rhode Island Contractors Registration Board (401)
222-1270
www.crb.state.ri.us/
SOUTH CAROLINA
Contractors must register with South Carolina
Residential Builders Commission 803-896-4686
On the Web: http://www.llr.state.sc.us/
SOUTH DAKOTA
Sewer and Water Contractor License thru the
state only. Check local government.
TENNESSEE
State license required for jobs over
$25,000
Home improvement license required for jobs
$3,000-$24,999
Contractors Board (615) 741-8307
TEXAS
Plumbers, Heating & Air Conditioning
Contractors
must be state licensed.
Department of License and Regulation -
Plumbing: 512-458-2145, HVAC:
512-463-6599 (www.license.state.tx.us)
For all other contractors, check local
government.
UTAH
State license required
State License Board (801) 530-6628
On the Web: www.commerce.state.ut.us/
VERMONT
Business license required
Secretary of State (802) 828-2363
VIRGINIA
State license required
Board of Contractors (804) 367-8511
WASHINGTON
Must register with State Department of Labor
and Industries, Contractor Registration
Division
(800) 647-0982 to check license
www.lni.wa.gov/contractors/contractor.asp
WEST VIRGINIA
State license required for jobs over $1,000
(labor & materials)
West Virginia Division of Labor (304) 558-7890
WISCONSIN
Wisconsin Division of Safety & Buildings
(608) 261-8500.
WYOMING
No state license required, unless it is "wired"
you must have both personal and company licenses.
Contact the division of Fire Prevention and
Electrical Safety in Cheyenne
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