ADU Contractors in San Mateo County

Browse licensed ADU contractors by city within San Mateo County.

Atherton (5) Belmont (5) Brisbane (5) Burlingame (5) Colma (5) Daly City (5) El Granada (5) Emerald Hills (5) Foster City (5) Half Moon Bay (5) Hillsborough (5) La Honda (5) Loma Mar (2) Menlo Park (5) Millbrae (5) Montara (5) Moss Beach (5) Pacifica (5) Pescadero (5) Portola Valley (5) Redwood City (5) S San Francisco (5) San Bruno (5) San Carlos (5) San Mateo (5) So San Francisco (5) South San Francisco (5) Westlake (2) Woodside (5)

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Contractor license information is sourced from the California Contractors State License Board (CSLB) public data portal and is provided for informational purposes only. License status can change at any time — always verify current status at cslb.ca.gov before hiring.