(415) 745-55631312 Ortega Street, San Francisco, CA 94122
TN Building is a general contractor with 9 tracked San Francisco building-permit projects on record, with the latest filing in that record 75 days ago. Its filings (Jan 2025 to Jun 2026) are concentrated in Marina and Castro/Upper Market, 100% residential. A typical project in the record declares $5K–$30K. If you work at TN Building, claim this page to add a description.
Filed 75 days ago
#991
by SF filing activity
among SF general contractors, 90 days to Oct 4, 2026
9
projects
from 29 filings
2/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$5K Marina multifamily renovation
Grade DActive 4 months ago · 2 filings · TN Building: GC
1918 filbert st rewire kitchen to include dishwasher, disposal, extractor and 2 small appliance circuits add 4 led cans in kitchen
GC named · 4 specialty contractors identified
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$62K Marina multifamily renovation
Grade DActive 3 months 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 single-family renovation
Last active Jan 2025 · TN Building: GC
Complete rewire of single family home to include garage, storage,kitchen, dining room, living room and bedrooms
GC named · Engineer identified · 2 specialty contractors identified
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6 more
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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 names and mailing addresses, and full filing histories are part of the paid product.
9 project records for TN Building: addresses, values, project teams
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Typical project$5K–$30K$14K typical82% of the SF median ($17K)Last filed75 days agoMarina · Jul 24, 2026Last 90 days1 active0 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jul 2026
JUN
JUL
AUG
SEP
Project mix · by use
Residential100%
Geography · by neighborhood
Marina56%
Castro/Upper Market11%
Outer Richmond11%
Seacliff11%
West of Twin Peaks11%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Exforma Design | Engineering | 1 | |
| 1 | Pmec | Electrical contractor | 3 | |
| 2 | F - 1 Plumbing Services | Plumbing contractor | 2 | |
| 3 | Two Guys Plumbing Inc Dba Cabrillo Plum | General contractor | 1 | |
| 4 | Leo Gotelli Plumbing Inc | Plumbing contractor | 1 | |
| 5 | Bajada Electric Inc | Electrical contractor | 1 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCSLB Contractor #967336As filed on 4 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 6 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does TN Building appear on?▾
PermitPipeline tracks 9 San Francisco building-permit projects for TN Building (Jan 2025 to Jun 2026). 1 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?▾
56% of TN Building's tracked San Francisco projects are in Marina.
What is a typical TN Building project worth?▾
The median declared value across the 9 San Francisco projects TN Building has on record that state one is $14K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as TN Building?▾
TN Building most frequently appears on the same San Francisco permit filings as Pmec, F - 1 Plumbing Services, 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 SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Oct 4, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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