Minnesota contractor licensing: residential building contractors, electrical and plumbing
Minnesota's Department of Labor and Industry licenses residential building contractors, electrical contractors and plumbing contractors. Commercial general contractors are not licensed statewide.
Minnesota's Department of Labor and Industry (DLI) licenses residential building contractors and remodelers under Minn. Stat. 搂 326B.805, and licenses electrical and plumbing contractors under their own chapters. There is no statewide license for commercial general contractors.
Residential license exemptions
Section 326B.805 lists exemptions, including a person whose total gross annual receipts for performing specialty skills that would require licensure do not exceed $15,000, mechanical contractors, and plumbers, electricians and others licensed statewide when doing that licensed work.
Public data
DLI publishes its license data as free nightly exports. This site's Minnesota listings come from those files: 10,457 residential building contractor businesses, 2,193 Class A electrical contractors, 643 technology systems contractors and 1,521 plumbing contractors with an Issued status and a Minnesota address (October 30, 2026).
Highway work
MnDOT advertises each project's DBE or targeted group business goals; read the proposal for bidder requirements. See how to bid MnDOT contracts.
Summary for general information, reviewed 2026-10-30. Not legal advice; check the source before relying on a deadline or threshold.
More guides: How to bid MnDOT construction contracts 路 Minnesota mechanics' liens and public bond claims 路 Selling to Minnesota government 路 County hubs