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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