Backbone Builders Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1908
by SF filing activity
among SF general contractors, last 90 days
3
projects tracked
Aug 2025 to Jan 2026
0/16
active weeks
weeks with a filing (last 16)
Every Backbone Builders project: scopes, declared values, teams and filing history.
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$38K Pacific Heights renovation
Filed 6 months ago · 2 filings · Backbone Builders: GC
Revise to include 1) the relocation(approx.8") direction of door swing to the bathroom door; 2) relocation (approx.4") of the adjacent…
GC named
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$20K Mission renovation
Filed 7 months ago · Backbone Builders: GC
Remodel existing 6' x 8' bathroom. plumbing: shower rough in 60" x 32" (remove tub), install shower, new vanity. electrical: replace (e)…
GC named
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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 Backbone Builders: addresses, values, project teams
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Most recent filing: Pacific Heights · Jan 6, 2026
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
Mission34%
Pacific Heights33%
Sunset/Parkside33%
Frequently asked questions
How many SF projects has Backbone Builders Inc filed?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Backbone Builders Inc (Aug 2025 to Jan 2026). 0 had filing activity in the last 90 days.
Does Backbone Builders Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Backbone 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 Backbone Builders Inc work?▾
33% of Backbone Builders Inc's tracked San Francisco projects are in Mission.
What is a typical Backbone Builders Inc project worth?▾
Across the 4 tracked projects with a declared value, Backbone Builders Inc averages $33K per project (declared value on the permit filing, not contract value).
Is Backbone Builders Inc a general contractor?▾
Backbone 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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