Fog Horn Builders Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1126
by SF filing activity
among SF general contractors, last 90 days
3
projects tracked
May 2025 to Jul 2026
2/16
active weeks
weeks with a filing (last 16)
1 of the 3 Fog Horn Builders projects filed new permits in the last 30 days.
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$160K Inner Sunset renovation
Filed 23 days ago · 2 filings · Fog Horn Builders: GC
Structural revision to
GC named · Engineer identified
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$299K Sunset/Parkside renovation
Filed 6 months ago · Fog Horn Builders: GC
Add 2nd fl deck & stair to grade. remove (e) stair & infill corner of bldg on both floors. at 1st floor relocate bathroom & add powder…
GC named · Engineer identified
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$65K Sunset/Parkside renovation
Filed May 2025 · Fog Horn Builders: GC
2nd fl: horizontal addition to enlarge (e) bedroom, add (n) bathroom at interior, (n) deck at the rear. 1st fl: no work except 1 hr wall &…
GC named · Architect identified · Engineer identified
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
3 project records for Fog Horn Builders: addresses, values, project teams
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Most recent filing: Inner Sunset · Jul 14, 2026
1 active · 0 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
0
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Sunset/Parkside67%
Inner Sunset33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | William Harrison Consult Eng | Engineering | 2 | |
| 2 | Tim O'sullivan Structural Eng | Engineering | 1 | |
| 3 | Cassandra Mettling Davis | Architecture | 1 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Fog Horn Builders Inc filed?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Fog Horn Builders Inc (May 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Fog Horn Builders Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Fog Horn Builders Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Fog Horn Builders Inc work?▾
67% of Fog Horn Builders Inc's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Fog Horn Builders Inc project worth?▾
Across the 4 tracked projects with a declared value, Fog Horn Builders Inc averages $131K per project (declared value on the permit filing, not contract value).
Which firms does Fog Horn Builders Inc work with most often?▾
Fog Horn Builders Inc most frequently appears on the same San Francisco permit filings as William Harrison Consult Eng, Tim O'sullivan Structural Eng, Cassandra Mettling Davis. Appearing together indicates association on shared filings, not a proven working relationship.
Is Fog Horn Builders Inc a general contractor?▾
Fog Horn Builders Inc is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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