Trade Contractor Resources for Ohio (Licensing, Permits, Tools)
Trade business resources for Ohio.
Licensing board, permit offices, and trade-by-trade requirements for Ohio contractors. All links go to the official sources, not paid intermediaries.
State licensing board
Ohio Construction Industry Licensing Board (OCILB)
Ohio does not require a statewide general contractor license, but several specialty trades are licensed at the state level through the Ohio Construction Industry Licensing Board (OCILB) under the Ohio Department of Commerce. Contractors must also register their business entity with the Ohio Secretary of State and comply with applicable local permit requirements, which vary significantly by city and county.
The OCILB issues state licenses for specific trades including electrical, plumbing, HVAC, hydronics, refrigeration, and fire protection. Electrical contractor licenses are issued at the contractor level (with individual journeyman and apprentice certifications handled separately by the same board). Plumbing contractor licenses require passing a state exam and demonstrating experience. HVAC contractor licenses cover heating, ventilating, and air conditioning work. Projects valued over $1,000 in these regulated trades generally require a licensed contractor; general construction work such as carpentry and roofing is not licensed at the state level and is instead regulated locally. Some municipalities impose additional registration or license requirements on top of state credentials.
License requirements by trade
Top Ohio city permit offices
Columbus
Cleveland
Cincinnati
Toledo
Akron
Business registration
Business entity registration
Ohio Department of Taxation
Tools for Ohio trade businesses
Compliance tracking, NEC 220 load calcs, profit calculators, and the 90-day operating system. One-time purchase. Real Excel and Sheets files. Used in truck cabs from Houston to Eureka.
Browse the 7 tools →