Duffy Construction LLC
Duffy Construction LLC is a California limited liability company based in San Francisco (San Francisco County) with contractor license #1136572 (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 6 permits under this name, 4 of them home projects (kitchen & bath). 17% of them were finaled by the city inspector. The median declared job value is $100,000. Most of the work was in 94117 · Haight Ashbury / Hayes Valley, 94121 · Outer Richmond / Seacliff. The latest permit is from Aug 27, 2026. The license lists a contractor bond and workers' compensation coverage.
Business phone (CSLB)
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License
| License # | 1136572 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | limited liability company |
| Issued / Expires | Apr 24, 2025 / Dec 31, 2027 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | San Francisco, San Francisco County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Aug 27, 2026 | Kitchen & bath remodel | 94121 · Outer Richmond / Seacliff | $100,000 | Issued |
| Jul 28, 2026 | Kitchen & bath remodel | 94117 · Haight Ashbury / Hayes Valley | $100,000 | Issued |
| Jul 28, 2026 | Kitchen & bath remodel | 94121 · Outer Richmond / Seacliff | $70,000 | Finaled |
| Jun 5, 2026 | Kitchen & bath remodel | 94121 · Outer Richmond / Seacliff | $200,000 | Issued |
| Apr 20, 2026 | Other permits | 94117 · Haight Ashbury / Hayes Valley | – | Issued |
| Mar 19, 2026 | Other permits | 94117 · Haight Ashbury / Hayes Valley | $150,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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