Is My Contractor Licensed in Ohio?
Quick answer
In Ohio, the Ohio Construction Industry Licensing Board, part of the Department of Commerce, licenses commercial electrical, HVAC, plumbing, hydronics and refrigeration contractors. Residential contractors are not licensed by the state; local building and health departments regulate them and may set their own licensing or registration requirements. Plumbers: Ohio Construction Industry Licensing Board. Electricians: Ohio Construction Industry Licensing Board. HVAC (heating and air): Ohio Construction Industry Licensing Board. Roofers: No statewide license.
Checked September 30, 2026. Every rule below links to the official source; licensing rules change, so confirm with the board before you hire.
Plumbers in Ohio
Licensed by: Ohio Construction Industry Licensing Board
The Ohio Construction Industry Licensing Board issues state contractor licenses to commercial plumbing contractors who pass the licensing exam. Residential plumbing contractors are regulated by local building and health departments, which may require the state commercial license for residential work. Check a state license with the board's online license lookup, and ask your city, county or township building department what it requires where you live.
Look up a license · Source: Ohio Construction Industry Licensing Board - Ohio Department of Commerce · 73 plumbing companies in Ohio on 1-800Deals
Electricians in Ohio
Licensed by: Ohio Construction Industry Licensing Board
The Ohio Construction Industry Licensing Board issues state contractor licenses to commercial electrical contractors who pass the licensing exam. Residential electrical contractors are regulated by local building departments, which may require the state commercial license for residential work. Check a state license with the board's online license lookup, and ask your local building department whether the contractor is licensed or registered to work in your area.
Look up a license · Source: Ohio Construction Industry Licensing Board - Ohio Department of Commerce · 16 electricians companies in Ohio on 1-800Deals
HVAC (heating and air) in Ohio
Licensed by: Ohio Construction Industry Licensing Board
The Ohio Construction Industry Licensing Board issues state contractor licenses to commercial heating, ventilating and air conditioning (HVAC) contractors, along with hydronics and refrigeration contractors. Residential HVAC contractors are regulated by local building departments, which may require the state commercial license for residential work. Check a state license with the board's online license lookup, and ask your local building department about its requirements and permits.
Look up a license · Source: Ohio Construction Industry Licensing Board - Ohio Department of Commerce · 17 hvac companies in Ohio on 1-800Deals
Roofers in Ohio
Licensed by: No statewide license
Ohio does not license roofing contractors at the state level; the Department of Commerce states that residential contractors are not required to be licensed by the state. Local building departments may have their own verification or licensing requirements. Ask your city, county or township building department whether the roofer is licensed or registered there and whether a permit is required.
Source: Don't Risk Your Spring Projects: Hire Licensed Contractors - Ohio Department of Commerce · 10 roofing companies in Ohio on 1-800Deals
Pest control in Ohio
Licensed by: Ohio Department of Agriculture
A pesticide business license from the Ohio Department of Agriculture is required to be hired to apply pesticides to someone else's property, to solicit pesticide applications, or to perform wood destroying insect inspections for real estate transactions. Each licensed business location must employ at least one Ohio-licensed commercial applicator. The department publishes a searchable list of licensed commercial and private pesticide applicators, including categories such as general pest control and termite control.
Look up a license · Source: Pesticide Businesses - Ohio Department of Agriculture · 43 pest control companies in Ohio on 1-800Deals
Garage door companies in Ohio
Licensed by: No statewide license
Ohio has no state license for garage door installers; the Department of Commerce states that residential contractors are not required to be licensed by the state. Local building departments may have their own verification or licensing requirements. Ask your local building department whether the installer must be registered and whether the job needs a permit.
Source: Don't Risk Your Spring Projects: Hire Licensed Contractors - Ohio Department of Commerce · 12 garage doors companies in Ohio on 1-800Deals
Water damage restoration in Ohio
Licensed by: No statewide license
Ohio has no state license for water damage restoration, and residential contractors who handle repair or rebuild work are not licensed by the state. Local building departments may have their own verification or licensing requirements and decide which repairs need permits. Ask your city, county or township building department what it requires before rebuild work starts.
Source: Don't Risk Your Spring Projects: Hire Licensed Contractors - Ohio Department of Commerce · 94 water damage restoration companies in Ohio on 1-800Deals
Local guides in Ohio
Frequently asked questions
Does Ohio license residential contractors?
No. The Ohio Department of Commerce states that residential contractors are not required to be licensed by the state, but local building departments may have their own verification or licensing requirements. The Ohio Board of Building Standards offers a Building Department Lookup to find your local department by address.
How do I check an Ohio electrician, plumber or HVAC contractor's license?
Use the Ohio Construction Industry Licensing Board license lookup at elicense4.com.ohio.gov, which covers state-licensed commercial contractors in electrical, HVAC, plumbing, hydronics and refrigeration. For residential work, also ask your county, city or township building department whether the contractor is licensed or registered in your area.
Does a pest control company need a license in Ohio?
Yes. Anyone hired to apply pesticides to someone else's property in Ohio needs a pesticide business license from the Ohio Department of Agriculture and must employ at least one licensed commercial applicator per location. You can search licensed applicators on the department's Pesticide Applicator Search page.
This page is general information, not legal advice. 1-800Deals does not license, verify or endorse contractors. See all states: contractor licensing by state.