O'sullivan & Son Construction INC
O'sullivan & Son Construction INC is a California corporation based in San Ramon (Contra Costa County) with contractor license #902262 (B), first issued in 2007. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 9 permits under this name, 7 of them home projects (patio cover & deck, kitchen & bath). 33% of them were finaled by the city inspector. The median declared job value is $1,500. Most of the work was in 94123 · Marina / Pacific Heights. The latest permit is from Oct 5, 2026. The license lists a contractor bond and workers' compensation coverage.
Business phone (CSLB)
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License
| License # | 902262 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | corporation |
| Issued / Expires | Aug 20, 2007 / Apr 30, 2027 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | San Ramon, Contra Costa County |
All permits (9)
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Oct 5, 2026 | Patio cover & deck | 94123 · Marina / Pacific Heights | $3,000 | Issued |
| Oct 5, 2026 | Patio cover & deck | 94123 · Marina / Pacific Heights | $3,000 | Issued |
| Jul 14, 2026 | HVAC, plumbing & electrical | 94123 · Marina / Pacific Heights | – | Issued |
| Jul 14, 2026 | HVAC, plumbing & electrical | 94123 · Marina / Pacific Heights | – | Issued |
| Apr 27, 2026 | Kitchen & bath remodel | 94123 · Marina / Pacific Heights | $195,000 | Issued |
| Apr 27, 2026 | Kitchen & bath remodel | 94123 · Marina / Pacific Heights | $195,000 | Issued |
| Sep 17, 2025 | Kitchen & bath remodel | 94127 · West of Twin Peaks | $1,500 | Finaled |
| Feb 27, 2025 | Patio cover & deck | 94115 · Pacific Heights / Western Addition | – | Finaled |
| Feb 27, 2025 | Patio cover & deck | 94115 · Pacific Heights / Western Addition | – | Finaled |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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