Ohio: no state contractor license; licensing is local

The limit in Ohio

The limit: there is no state license for general or handyman work, so there is no state dollar limit. No state handyman or general contractor license and no state dollar threshold; state licenses cover only five trades on commercial work.

Licenses in Ohio

General contractors: No state license. No state general contractor license; the state licenses only five specialty trades (electrical, HVAC, refrigeration, plumbing, hydronics) for commercial work.

Plumbing: State license for commercial work; homes: local. OCILB plumbing contractor license for commercial work; residential (1-3 family) excluded from the state chapter, so local.

Electrical: State license for commercial work; homes: local. OCILB electrical contractor license for commercial work; residential excluded, so local.

HVAC: State license for commercial work; homes: local. OCILB HVAC (and separate refrigeration, hydronics) contractor licenses for commercial work; residential excluded, so local.

Your license number in Ohio

Your license number: State-licensed commercial trade contractors must show the number on contracts, advertising, vehicles, business cards and business locations. None of these rules names invoices.

In the rule's words: “The license number shall be displayed as OH LIC#-----. ... on all business locations, business cards, vehicles containing the name of the specialty contracting business, contracts, and advertisements.” (Ohio Adm. Code 4101:16-2-05 (applies to OCILB licensees only))

Ohio's board, and when this was checked

The board: Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce, Division of Industrial Compliance. As of November 6, 2026. Dates on the state's pages: ORC 4740.01/4740.13 effective 2014-09-17 and OAC 4101:16-2-05 effective 2022-05-13.

This is a summary of each state's own pages as of November 6, 2026, not legal advice. Rules change, and cities and counties add licenses of their own. Check with your state's board, linked on this page, before you rely on it.

Compare Ohio with every state's limit.

Next door to Ohio

• Indiana: no state license
• Kentucky: no statewide license found
• Michigan: under $600 per job
• Pennsylvania: under $5,000 a year
• West Virginia: under $5,000 per job

Official sources for Ohio

5 of Ohio's own pages, each quoted with its link:

• Ohio Rev. Code § 4740.01 Definitions (Ohio Rev. Code § 4740.01): “("Construction project" excludes) "an industrialized unit or a residential building as defined in section 3781.06"”
• Ohio Rev. Code § 3781.06 (Ohio Rev. Code § 3781.06(C)): “"Residential building" means a one-family, two-family, or three-family dwelling house, and any accessory structure incidental to that dwelling house.”
• Ohio Rev. Code § 4740.13 License required (Ohio Rev. Code § 4740.13): “No person shall act as or claim to be a type of contractor that this chapter licenses unless that person holds or has been assigned a license issued pursuant to this chapter for the type of contractor that person is acting as or claiming to be.”
• OCILB Examination Application (License Qualification Process): “The Ohio Construction Industry Licensing Board (OCILB), issues state licenses to Electrical, HVAC, Refrigeration, Plumbing, and Hydronics Contractors who perform commercial work.”
• Ohio Adm. Code 4101:16-2-05 Display of license (Ohio Adm. Code 4101:16-2-05): “The license number shall be displayed as OH LIC#-----. ... all business locations, business cards, vehicles containing the name of the specialty contracting business, contracts, and advertisements.”

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