PermitPipeline

Sean Chau

General contractor · San Francisco permit activity
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General contractor active in San Francisco construction, tracked from public building-permit filings.

#56
by NYC filing activity
among NYC general contractors, last 90 days
63
project records
Jan 2025 to Jun 2026
7/16
active weeks
weeks with a filing (last 16)
63 projects Scopes, declared values and this firm's role on each one See 63 projects involving Sean Chau
Recent projects involving this firm
Sunset/Parkside
Reroofing, no hot works
Jun 24, 2026 · otc alterations permit · General contractor
$10K
Portola
Reroof. no hot works
Jun 18, 2026 · otc alterations permit · General contractor
$9K
Outer Richmond
Reroof. no hot works
Jun 18, 2026 · otc alterations permit · General contractor
$15K

Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.

See every project involving Sean Chau → start a 14-day trial
Middle 50% of declared values: $8K–$9K (median $8K) Most recent filing: Sunset/Parkside · Jun 24, 2026 8 active · 8 newly observed last 90 days

Filing activity · last 16 weeks

APR
MAY
JUN
JUL
8
active projects (last 90d)
8
newly observed (last 90d)
Jun 2026
peak month

Project mix · by use

Commercial2%
Residential98%

Geography · by borough

Sunset/Parkside38%
Excelsior24%
Visitacion Valley14%
Bayview Hunters Point12%
Outer Richmond12%

Frequently asked questions

How many SF projects has Sean Chau filed?▾
PermitPipeline tracks 63 San Francisco building-permit projects for Sean Chau (Jan 2025 to Jun 2026). 8 had filing activity in the last 90 days.
Does Sean Chau work on commercial or residential projects?▾
Across its tracked San Francisco filings, 2% of Sean Chau's projects are commercial and 98% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Sean Chau work?▾
25% of Sean Chau's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Sean Chau project worth?▾
Across the 63 tracked projects with a declared value, Sean Chau averages $9K per project (declared value on the permit filing, not contract value).
Is Sean Chau a general contractor?▾
Sean Chau 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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