Welin Builders Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1668
by SF filing activity
among SF general contractors, last 90 days
4
projects tracked
Jan 2025 to Dec 2025
0/16
active weeks
weeks with a filing (last 16)
Every Welin Builders project: scopes, declared values, teams and filing history.
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$123K Oceanview/Merced/Ingleside renovation
Filed 8 months ago · Welin Builders: GC
Fire damage repair, replace knob and tube wire into romex, replace existing main panel, kitchen alteration by removing existing non bearing…
GC named
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$75K Sunset/Parkside renovation
Filed Feb 2025 · Welin Builders: GC
1) conversion of the storage and part garage into living area 2) re-construction of stairs from garage to main floor
GC named
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$8K Outer Mission renovation
Filed Jun 2025 · Welin Builders: GC
To cmply with nov. repair exterior facade. brick facade (1 column)(street facing)
GC named
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1 more
Welin Builders projects with project intelligence
Scopes, values, teams and filing history for every one
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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.
4 project records for Welin Builders: addresses, values, project teams
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Middle 50% of declared values: $20K–$123K (median $75K)
Most recent filing: Oceanview/Merced/Ingleside · Dec 2, 2025
0 active · 0 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
0
active projects (last 90d)
0
newly observed (last 90d)
—
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Castro/Upper Market25%
Oceanview/Merced/Ingleside25%
Outer Mission25%
Sunset/Parkside25%
Frequently asked questions
How many SF projects has Welin Builders Inc filed?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Welin Builders Inc (Jan 2025 to Dec 2025). 0 had filing activity in the last 90 days.
Does Welin Builders Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Welin 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 Welin Builders Inc work?▾
25% of Welin Builders Inc's tracked San Francisco projects are in Castro/Upper Market.
What is a typical Welin Builders Inc project worth?▾
Across the 4 tracked projects with a declared value, Welin Builders Inc averages $56K per project (declared value on the permit filing, not contract value).
Is Welin Builders Inc a general contractor?▾
Welin 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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