San Mateo County contractor license lookup
4,340 active California contractor licenses list a business address in a San Mateo County ZIP code, from the Contractors State License Board's file dated Nov 2, 2026. Search any of them by name or license number.
- Active licenses
- 4,340
- Share of California
- 1.9%
- Suspended licenses
- 175
Active licenses in San Mateo County by type
| License type | Active |
|---|---|
| General Building | 2,151 |
| Electrical | 329 |
| Painting and Decorating | 289 |
| Plumbing | 242 |
| General Engineering | 209 |
| Landscaping | 197 |
| Flooring and Floor Covering | 117 |
| Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) | 79 |
| Ceramic and Mosaic Tile | 73 |
| Low Voltage Systems | 68 |
| Roofing | 67 |
| Cabinet, Millwork and Finish Carpentry | 39 |
| Limited Specialty (D28) | 36 |
| Glazing | 33 |
| Limited Specialty (D49) | 28 |
Why San Mateo County licenses are suspended
Suspension reasons recorded in the CSLB's current license file for licenses with a San Mateo County address.
| Reason | Licenses |
|---|---|
| Contr Bond SuspNo contractor's bond on file (B&P §7071.6 requires $25,000) | 104 |
| Work Comp SuspRequired workers' compensation coverage lapsed (B&P §7125.2) | 45 |
| Liab Ins SuspRequired liability insurance lapsed (B&P §7071.19, LLCs) | 7 |
| Judgement SuspUnpaid final judgment for failing to pay a contractor, supplier, consumer or employee (B&P §7071.17) | 4 |
| BOND Pay Susp | 3 |
| EMP/WK Bnd Susp | 3 |
| Family Sup SuspSuspended for unpaid family support | 3 |
| QUAL Bond SUSP | 2 |
Suspended licenses in San Mateo County
- Yes General Construction BuilderSuspendedGeneral Building · License 999640 · South San Francisco, CA
- Ace Shower Door & Glass CoSuspendedGlazing · License 998322 · San Mateo, CA
- Powless ConstructionSuspendedGeneral Building · License 994531 · Foster City, CA
- Greenbuild-EcosolutionsSuspendedGeneral Building · License 993651 · San Carlos, CA
- Nova FireplacesSuspendedMasonry · License 989096 · Belmont, CA
- Loma Verde GardensSuspendedLandscaping · License 981906 · San Mateo, CA
- GhiSuspendedGeneral Building · License 979570 · Foster City, CA
- Metrocon BuildersSuspendedGeneral Building · License 978867 · Daly City, CA
- D'Expert PlumberSuspendedPlumbing · License 971009 · South San Francisco, CA
- Menlo Development And ConstructionSuspendedGeneral Building · License 968826 · Menlo Park, CA
- Bay Life BuildersSuspendedGeneral Building · License 966060 · South San Francisco, CA
- Supreme Air MechanicalSuspendedWarm-Air Heating, Ventilating and Air-Conditioning (HVAC) · License 963768 · Brisbane, CA
- Dennis Coffey Construction IncSuspendedGeneral Building · License 961877 · San Mateo, CA
- Mobility Equipment IncSuspendedLimited Specialty (D21) · License 940145 · San Bruno, CA
- Getchell ConstructionSuspendedResidential Remodeling · License 935452 · Pacifica, CA
Active licenses by city in San Mateo County
Before you hire in San Mateo County
- A license is suspended automatically when the contractor's bond or required workers' compensation lapses, so check both, not just the license.
- Our California data covers licenses that can be renewed; revoked or cancelled licenses are not in the board's bulk file. If a contractor isn't found here, check the CSLB directly.
Questions about California licensing are answered on the California contractor license lookup page. Confirm any license on the Contractors State License Board license search before you sign.
Licensed contractor? Price your insurance
Get general liability and other business insurance quotes online from ERGO NEXT. In California a lapse in required workers' comp suspends the license the same day (B&P §7125.2).
Other California counties
County is assigned from each license's business ZIP code using the U.S. Census Bureau's 2020 ZIP-to-county relationship file. A ZIP that crosses a county line is counted in the county holding most of its area, and licenses with an out-of-state address are not in any county.