A Plus Plumbing
A Plus Plumbing is a California partnership based in Colma (San Mateo County) with contractor license #1073042 (A, B, C-10, C-36), first issued in 2021. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 1 permit under this name, 1 of them home projects (ADU). The latest permit is from Dec 16, 2025. The license lists a contractor bond and an exemption from workers' compensation (no employees).
Business phone (CSLB)
Before you sign, confirm the license is still active on the CSLB site, get a written contract and ask for the permit number for your job.
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License
| License # | 1073042 |
|---|---|
| Status | Active, no violations |
| Classes | A, B, C-10, C-36 |
| Business type | partnership |
| Issued / Expires | Jan 27, 2021 / Jan 31, 2027 |
| Contractor bond | Yes |
| Workers' comp | Exempt (no employees) |
| Based in | Colma, San Mateo County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Dec 16, 2025 | ADU / granny flat | 94109 · Russian Hill / Nob Hill | $5,000 | Finaled |
Street addresses of homeowners are never shown.