Contractors in San Mateo, California

4 listings: roofing contractors (1), plumbers (1), landscaping & fencing (1), windows, siding & insulation (1).

How Do You Find a Licensed Contractor in San Mateo, California?

We list 4 contractors in San Mateo, from open map data with no license check. California has a statewide contractor license. Ask for the license number, confirm it with the state or city, and get at least two written bids.

Updated November 6, 2026 · Source: OpenStreetMap (downloaded November 6, 2026).

1027 Howard Avenue, San Mateo

Map listing: license not checkedWindows, Siding & Insulation
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Before You Hire in San Mateo

California has a statewide contractor license. Threshold: $1,000 in labor and materials, or a job needing a permit or extra workers. Read the California license summary, then use the hiring checklist and compare your bids. Your city’s building department can also tell you which permits your job needs.

Other Cities in California

Sources: Washington L&I, Oregon CCB and New York DOL open data; © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method