Barry O Mahony Construction
Barry O Mahony Construction is a California sole owner based in San Francisco (San Francisco County) with contractor license #1134805 (B), first issued in 2025. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 8 permits under this name, 5 of them home projects (kitchen & bath, room addition, patio cover & deck). 75% of them were finaled by the city inspector. The median declared job value is $24,500. The latest permit is from Oct 13, 2026. The license lists a contractor bond and an exemption from workers' compensation (no employees).
Business phone (CSLB)
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License
| License # | 1134805 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | sole owner |
| Issued / Expires | Mar 21, 2025 / Mar 31, 2027 |
| Contractor bond | Yes |
| Workers' comp | Exempt (no employees) |
| Based in | San Francisco, San Francisco County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Oct 13, 2026 | Other permits | 94112 · Excelsior / Outer Mission | $1,800 | Issued |
| Sep 28, 2026 | Other permits | 94116 · Sunset/Parkside / West of Twin Peaks | $20,000 | Issued |
| Apr 24, 2026 | HVAC, plumbing & electrical | 94127 · West of Twin Peaks | $35,000 | Finaled |
| Mar 4, 2026 | Remodel & repair | 94127 · West of Twin Peaks | $5,000 | Finaled |
| Nov 25, 2025 | Kitchen & bath remodel | 94110 · Mission / Bernal Heights | $102,491 | Finaled |
| Nov 3, 2025 | Patio cover & deck | 94109 · Russian Hill / Nob Hill | $1,000 | Finaled |
| Sep 24, 2025 | Kitchen & bath remodel | 94110 · Mission / Bernal Heights | $29,000 | Finaled |
| Mar 25, 2025 | Room addition | 94123 · Marina / Pacific Heights | $140,000 | Finaled |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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