Licensed Contractors in San Mateo, CA
Updated November 1, 2026 · Data from CSLB's public license file
- 642licenses
- 96.3%Clear
- 3.7%suspended (state 4.6%)
- 52.2%workers' comp exempt
- 16.8 yrsmedian time licensed
- 44new in 12 months
San Mateo has 642 contractor licenses in CSLB's current public file. 96.3% are Clear; the suspension rate of 3.7% is about the same as San Mateo County overall (3.6%). The largest group is general contractors, and 10 trades here have 20 or more licensees.
Licensed trades in San Mateo
- General Contractors (318)
- Electricians (72)
- Painters (69)
- Plumbers (53)
- Landscapers (48)
- Limited Specialty Contractors (36)
- Flooring Contractors (29)
- Tile Contractors (21)
- General Engineering Contractors (21)
- HVAC Contractors (20)
Smaller trades in San Mateo (under 20 licensees) are searchable:
- Low Voltage Contractors (13)
- Roofers (11)
- Cabinet and Finish Carpentry Contractors (9)
- Glazing Contractors (7)
- Concrete Contractors (7)
- Fire Protection Contractors (7)
- Plastering and Stucco Contractors (5)
- Drywall Contractors (5)
- Residential Remodeling Contractors (5)
- Solar Contractors (4)
- Framing Contractors (3)
- Earthwork and Paving Contractors (3)
- Refrigeration Contractors (3)
- Insulation Contractors (3)
- Parking and Highway Improvement Contractors (3)
- Ornamental Metal Contractors (3)
- Boiler and Steam Fitting Contractors (3)
- Sheet Metal Contractors (3)
- Masonry Contractors (2)
- Welding Contractors (2)
- Tree and Palm Contractors (1)
- Structural Steel Contractors (1)
- Septic and Sanitation Contractors (1)
- Demolition and Building Moving Contractors (1)
Suspensions in San Mateo, by reason
Explainers: Suspended: contractor's bond · Suspended: workers' compensation · Suspended: liability insurance · Suspended: judgment against related entity
Newest Clear licenses in San Mateo
| Business name | License # | Status | Years | Workers' comp | Bond |
|---|---|---|---|---|---|
| 751brick LLC | 1162993 | Clear | <1 | Insured | On file |
| C & S Plumbing Services Solutions | 1162953 | Clear | <1 | Exempt | On file |
| Abi Construction | 1161197 | Clear | <1 | Exempt | On file |
| Elia Custom Builders LLC | 1161151 | Clear | <1 | Exempt | On file |
| Bertken Landscapes | 1160921 | Clear | <1 | Exempt | On file |
| Copeland Builders INC | 1160642 | Clear | <1 | Insured | On file |
| Marcos J & I Construction INC | 1160455 | Clear | <1 | Exempt | On file |
| Dfa Builder | 1160296 | Clear | <1 | Exempt | On file |
| Dryer Vent Specialists | 1160043 | Clear | <1 | Exempt | On file |
| The Umbrella Painting Corp | 1159836 | Clear | <1 | Exempt | On file |
Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.
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- All of San Mateo County
- How to check a contractor license
- Hiring a contractor in California: a checklist
- CSLB's Instant License Check