Plonowski Architects + Builders
Plonowski Architects + Builders is a California sole owner based in Mill Valley (Marin County) with contractor license #649916 (B), first issued in 1992. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 5 permits under this name, 2 of them home projects (patio cover & deck, kitchen & bath). 60% of them were finaled by the city inspector. The median declared job value is $18,000. Most of the work was in 94116 · Sunset/Parkside / West of Twin Peaks, 94122 · Sunset/Parkside / Inner Sunset. The latest permit is from May 8, 2026. The license lists a contractor bond and workers' compensation coverage.
Business phone (CSLB)
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License
| License # | 649916 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | sole owner |
| Issued / Expires | Jul 14, 1992 / Jul 31, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Mill Valley, Marin County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| May 8, 2026 | HVAC, plumbing & electrical | 94122 · Sunset/Parkside / Inner Sunset | $6,000 | Issued |
| Mar 18, 2026 | Other permits | 94116 · Sunset/Parkside / West of Twin Peaks | – | Finaled |
| Sep 11, 2025 | Kitchen & bath remodel | 94122 · Sunset/Parkside / Inner Sunset | $260,000 | Finaled |
| Jun 12, 2025 | Patio cover & deck | 94116 · Sunset/Parkside / West of Twin Peaks | $18,000 | Finaled |
| Jun 5, 2025 | Other permits | 94123 · Marina / Pacific Heights | $102,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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