Heirloom Builders Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#762
by NYC filing activity
among NYC general contractors, last 90 days
12
project records
Apr 2025 to Jul 2026
1/16
active weeks
weeks with a filing (last 16)
12 projects
Scopes, declared values and this firm's role on each one
See 12 projects involving Heirloom Builders
Recent projects involving this firm
Sunset/Parkside
Interior kitchen remodel and adding 2 new skylights
$35K
West of Twin Peaks
Demo (e) plaster as required to replace knob & tube wiring, galvanized piping and remodel two…
$100K
North Beach
Refresh unit# f-110 w/ (n) flr @ 1st floor, remodel kitchen w/(n) caninets & appliances. (n)…
$70K
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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12 project records for Heirloom Builders: addresses, values, project teams
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Middle 50% of declared values: $5K–$70K (median $50K)
Most recent filing: Sunset/Parkside · Jul 17, 2026
1 active · 1 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
1
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by borough
West of Twin Peaks38%
Bernal Heights25%
Castro/Upper Market13%
Financial District/South Beach12%
Inner Sunset12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | L Wong Engineering | Engineering | 1 | |
| 2 | Mist Architects | 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 Heirloom Builders Inc filed?▾
PermitPipeline tracks 12 San Francisco building-permit projects for Heirloom Builders Inc (Apr 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Heirloom Builders Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Heirloom 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 Heirloom Builders Inc work?▾
25% of Heirloom Builders Inc's tracked San Francisco projects are in West of Twin Peaks.
What is a typical Heirloom Builders Inc project worth?▾
Across the 12 tracked projects with a declared value, Heirloom Builders Inc averages $48K per project (declared value on the permit filing, not contract value).
Which firms does Heirloom Builders Inc work with most often?▾
Heirloom Builders Inc most frequently appears on the same San Francisco permit filings as L Wong Engineering, Mist Architects. Appearing together indicates association on shared filings, not a proven working relationship.
Is Heirloom Builders Inc a general contractor?▾
Heirloom 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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