Peterson Mechanical INC.
Peterson Mechanical INC. is a California corporation based in Sonoma (Sonoma County) with contractor license #171486 (B, C-4, C-16, C-20, C-34, C-36, C-38, C-42, C-43), first issued in 1957. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 2 permits under this name. The latest permit is from Dec 24, 2025. The license lists a contractor bond and workers' compensation coverage.
2permits 2025–26
0home-project permits
69years licensed
Dec 24, 2025latest permit
Business phone (CSLB)
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License
| License # | 171486 |
|---|---|
| Status | Active, no violations |
| Classes | B, C-4, C-16, C-20, C-34, C-36, C-38, C-42, C-43 |
| Business type | corporation |
| Issued / Expires | Nov 7, 1957 / Jun 30, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Sonoma, Sonoma County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Dec 24, 2025 | HVAC, plumbing & electrical | 94904 · Kentfield | $38,700 | Issued |
| Sep 10, 2025 | HVAC, plumbing & electrical | 94122 · Sunset/Parkside / Inner Sunset | $180,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
HVAC, plumbing & electrical · 2 permits
Where they work
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