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Window Station Inc

General contractor · San Francisco
sanfranciscowindowstation.com(415) 295-4502105 Sagamore St, San Francisco, CA 94112

Window Station Inc is a general contractor with 29 tracked San Francisco building-permit projects on record, with the latest filing in that record 230 days ago. Its filings (Jan 2025 to Jan 2026) are concentrated in West of Twin Peaks and Bernal Heights, 97% residential. A typical project in the record declares $9K–$30K. If you work at Window Station Inc, claim this page to add a description.

Filed 230 days ago
#1,480
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
29
projects
from 32 filings
0/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
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.
Typical project$9K–$30K$13K typical76% of the SF median ($17K)Last filed230 days agoWest of Twin Peaks · Jan 30, 2026Last 90 days0 active0 newly filed

Filing activity · 16 weeks to Aug 23, 2026

MAY
JUN
JUL
AUG

Project mix · by use

Commercial3%
Residential97%

Geography · by neighborhood

West of Twin Peaks35%
Bernal Heights18%
Outer Richmond18%
Sunset/Parkside17%
Glen Park12%

Shared-project connections

#FirmPrimary roleSharedRelative
None on shared filings.
1Arctic HVAC SolutionsElectrical contractor1
2Five Star Plumbing & RooterGeneral contractor1

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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.
State licenseCSLB Contractor #976606As filed on 1 permit
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 2 in total.
Permit speedToo few filings with a recorded issue date to publish a median.

Frequently asked questions

How many SF projects does Window Station Inc appear on?
PermitPipeline tracks 29 San Francisco building-permit projects for Window Station Inc (Jan 2025 to Jan 2026). 0 had filing activity in the last 90 days.
Does Window Station Inc work on commercial or residential projects?
Across its tracked San Francisco filings, 3% of Window Station Inc's projects are commercial and 97% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Window Station Inc work?
35% of Window Station Inc's tracked San Francisco projects are in West of Twin Peaks.
What is a typical Window Station Inc project worth?
The median declared value across the 29 San Francisco projects Window Station Inc has on record that state one is $13K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Window Station Inc?
Window Station Inc most frequently appears on the same San Francisco permit filings as Arctic HVAC Solutions, Five Star Plumbing & Rooter. Appearing together indicates association on shared filings, not a proven working relationship.
Is Window Station Inc a general contractor?
Window Station 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 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 Aug 23, 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.
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Sources

San Francisco Department of Building Inspection permit filings.

Record source

Read directly from SF DBI filings.

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