Data updates & changelog
Regulatory data goes stale fast, so we re-verify it against the official boards on a rolling basis. Here’s what we’ve checked most recently, through May 2026.
Subscribe via RSSMay 2026
Wyoming Municipal General Contractor 2026-05-23 Wisconsin Dwelling Contractor 2026-05-23 West Virginia General Building Contractor 2026-05-23 Washington General Contractor Registration 2026-05-23 Virginia Class A Contractor (Unlimited) 2026-05-23 Vermont Residential Contractor Registration 2026-05-23 Utah B100 General Building Contractor 2026-05-23 Texas Municipal General Contractor 2026-05-23 Tennessee BC-B Commercial Contractor 2026-05-23 South Dakota Contractor Excise Tax License 2026-05-23 South Carolina General Contractor Group V (Unlimited) 2026-05-23 Rhode Island General Contractor Registration 2026-05-23 Pennsylvania Home Improvement Contractor Registration 2026-05-23 Oregon Residential General Contractor 2026-05-23 Oklahoma Municipal General Contractor 2026-05-23 Ohio Specialty Commercial Contractor 2026-05-23 North Dakota Class A Contractor (Unlimited) 2026-05-23 North Carolina Unlimited General Contractor 2026-05-23 New York NYC Home Improvement Contractor 2026-05-23 New Mexico GB-98 General Building Contractor 2026-05-23 New Jersey Home Improvement Contractor 2026-05-23 New Hampshire Municipal General Contractor 2026-05-23 Nevada General Building Contractor (Class B) 2026-05-23 Nebraska Contractor Registration 2026-05-23 Montana Construction Contractor Registration 2026-05-23 Missouri General Contractor (Municipal) 2026-05-23 Mississippi Commercial Contractor 2026-05-23 Minnesota Residential Building Contractor 2026-05-23 Michigan Residential Builder 2026-05-23 Massachusetts Construction Supervisor License (Unrestricted) 2026-05-23 Maryland Home Improvement Contractor 2026-05-23 Maine General Contractor (Municipal) 2026-05-23 Louisiana Commercial Contractor 2026-05-23 Kentucky General Contractor (Municipal) 2026-05-23 Kansas General Contractor (Municipal) 2026-05-23 Iowa Contractor Registration 2026-05-23 Indiana General Contractor (Municipal) 2026-05-23 Illinois General Contractor (Municipal) 2026-05-23 Idaho Contractor Registration 2026-05-23 Hawaii Class B General Building Contractor 2026-05-23 Georgia General Contractor 2026-05-23 Florida Certified General Contractor 2026-05-23 Delaware Resident Contractor Business License 2026-05-23 Connecticut Home Improvement Contractor 2026-05-23 Colorado General Contractor (Municipal) 2026-05-23 California Class B General Building Contractor 2026-05-23 Arkansas Commercial Contractor 2026-05-23 Arizona B-1 General Commercial Contractor 2026-05-23 Alaska General Contractor 2026-05-23 Alabama General Contractor (Commercial) 2026-05-23 Wyoming Municipal HVAC License 2026-05-23 Wisconsin HVAC Contractor Registration 2026-05-23 West Virginia HVAC Technician 2026-05-23 Washington 06A HVAC/Refrigeration Mechanic 2026-05-23 Virginia Master HVAC Tradesman 2026-05-23 Vermont C3 Refrigeration and Air Conditioning Specialist 2026-05-23 Utah S350 HVAC Specialty Contractor 2026-05-23 Texas Class A Air Conditioning and Refrigeration Contractor 2026-05-23 Tennessee CMC-C Mechanical HVAC/Refrigeration Contractor 2026-05-23 South Dakota Municipal HVAC License 2026-05-23 South Carolina Mechanical Contractor (HVAC) 2026-05-23 Rhode Island Refrigeration Master Contractor Class I 2026-05-23 Pennsylvania Municipal HVAC License 2026-05-23 Oregon Limited Maintenance HVAC/R (LHR) 2026-05-23 Oklahoma HVAC/R Unlimited Contractor 2026-05-23 Ohio HVAC Contractor 2026-05-23 North Dakota Municipal HVAC License 2026-05-23 North Carolina H3 Class I Heating Contractor 2026-05-23 New York Municipal HVAC License 2026-05-23 New Mexico MM-98 Mechanical Contractor 2026-05-23 New Jersey Master HVACR Contractor 2026-05-23 New Hampshire Mechanical Business Registration 2026-05-23 Nevada C-21 Refrigeration and Air Conditioning Contractor 2026-05-23 Nebraska Contractor Registration 2026-05-23 Montana Construction Contractor Registration 2026-05-23 Missouri Statewide Mechanical Contractor 2026-05-23 Mississippi Mechanical Contractor 2026-05-23 Minnesota Mechanical Contractor (Bond Registration) 2026-05-23 Michigan Mechanical Contractor 2026-05-23 Massachusetts Refrigeration Technician 2026-05-23 Maryland Master HVACR Contractor 2026-05-23 Maine Propane and Natural Gas Technician 2026-05-23 Louisiana Mechanical Work Contractor 2026-05-23 Kentucky Master HVAC Contractor 2026-05-23 Kansas Municipal HVAC License 2026-05-23 Iowa HVAC Mechanical Contractor 2026-05-23 Indiana Municipal HVAC Contractor 2026-05-23 Illinois Municipal HVAC License 2026-05-23 Idaho HVAC Contractor 2026-05-23 Hawaii C-52 Air Conditioning and Warm Air Heating Contractor 2026-05-23 Georgia Conditioned Air Contractor Class I 2026-05-23 Florida Class A Air Conditioning Contractor 2026-05-23 Delaware Master HVACR 2026-05-23 Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractor 2026-05-23 Colorado Municipal HVAC License 2026-05-23 California C-20 Warm-Air Heating, Ventilating and AC Contractor 2026-05-23 Arkansas Class A HVACR Contractor 2026-05-23 Arizona C-39 Commercial Air Conditioning Contractor 2026-05-23 Alaska Mechanical Administrator 2026-05-23 Alabama HVAC Contractor 2026-05-23 Wyoming Master Plumber (Municipal) 2026-05-23 Wisconsin Master Plumber 2026-05-23 West Virginia Master Plumber 2026-05-23 Washington Journey Level Plumber (PL01) 2026-05-23 Virginia Master Plumber 2026-05-23 Vermont Master Plumber 2026-05-23 Utah Master Plumber 2026-05-23 Texas Journeyman Plumber 2026-05-23 Texas Master Plumber 2026-05-23 Tennessee Plumbing Contractor (CMC-A) 2026-05-23 South Dakota Master Plumber 2026-05-23 South Carolina Plumbing Contractor 2026-05-23 Rhode Island Master Plumber 2026-05-23 Pennsylvania Master Plumber (Municipal) 2026-05-23 Oregon Journeyman Plumber 2026-05-23 Oklahoma Plumbing Contractor 2026-05-23 Ohio Plumbing Contractor 2026-05-23 North Dakota Master Plumber 2026-05-23 North Carolina Plumbing Contractor 2026-05-23 New York Master Plumber (NYC) 2026-05-23
Each “verified” date is when we last reconciled that state’s page against its official licensing board. Spot something out of date? The board link on every page is the authority — and we’d love a heads-up.
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