⏰ This entry is due for review. Information may not reflect the latest regulations.
Licensing WI

WI Contractor Certification

Source: WI Department of Safety and Professional Services Verified: March 1, 2026

Wisconsin requires dwelling contractors to be certified by the Department of Safety and Professional Services. Electrical, plumbing, and HVAC contractors must hold separate state licenses. General commercial contractors are not required to hold a statewide license but must comply with local permit requirements.

Official Source:
WI Department of Safety and Professional Services
Always verify current information directly with this agency.

More Licensing entries for WI

WI Business Registration
Wisconsin businesses must register with the Department of Financial Institutions before conducting business. Sole proprietors using a trade…
WI Professional Licensing
Wisconsin professional licensing is administered by the Department of Safety and Professional Services, which oversees more than 180…