Tn Building
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#541
by SF filing activity
among SF general contractors, last 90 days
8
projects tracked
Jan 2025 to Jun 2026
4/16
active weeks
weeks with a filing (last 16)
Every Tn Building project: scopes, declared values, teams and filing history.
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$5K Marina renovation
Grade DFiled 2 months ago · 2 filings · Tn Building: GC
Approx 80ft of ductwork in the ceiling. install per cmc chapter 6
GC named · 1 other firm identified
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$62K Marina renovation
Grade DFiled 1 month ago · 2 filings · Tn Building: GC
Unit 202: remodel kitchen in kind (this is not a duplication to)
GC named
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$210K Outer Richmond renovation
Filed Jan 2025 · Tn Building: GC
Remodel (e) kitchen, powder/laundry room. demolition (e) bay window & replace w/door. new rear yard deck & stairs. (e) windows replace in…
GC named · Engineer identified
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5 more
Tn Building 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.
8 project records for Tn Building: addresses, values, project teams
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Middle 50% of declared values: $12K–$62K (median $20K)
Most recent filing: Marina · Jun 24, 2026
2 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
2
active projects (last 90d)
1
newly observed (last 90d)
May 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Marina63%
Castro/Upper Market13%
Outer Richmond12%
Seacliff12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Exforma Design | Engineering | 1 | |
| 1 | Two Guys Plumbing Inc Dba Cabrillo Plum | General contractor | 1 |
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 Tn Building filed?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Tn Building (Jan 2025 to Jun 2026). 2 had filing activity in the last 90 days.
Does Tn Building work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Tn Building'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 Tn Building work?▾
63% of Tn Building's tracked San Francisco projects are in Marina.
What is a typical Tn Building project worth?▾
Across the 10 tracked projects with a declared value, Tn Building averages $35K per project (declared value on the permit filing, not contract value).
Which firms does Tn Building work with most often?▾
Tn Building most frequently appears on the same San Francisco permit filings as Two Guys Plumbing Inc Dba Cabrillo Plum, Exforma Design. Appearing together indicates association on shared filings, not a proven working relationship.
Is Tn Building a general contractor?▾
Tn Building 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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