No published contact details.
On Square Corporation is a general contractor with 9 tracked San Francisco building-permit projects on record, with the latest filing in that record 26 days ago. Its filings (Jan 2025 to Jul 2026) are concentrated in Marina and Outer Richmond, 100% residential. A typical project in the record declares $39K–$49K. If you work at On Square Corporation, claim this page to add a description.
Filed 26 days ago
#1,001
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
9
projects
from 15 filings
3/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$49K Outer Richmond single-family renovation
Grade BActive 4 months ago · On Square Corporation: GC
Demolition (e) deck and underlaying concrete. layout for new 4x4 posts and footings. excavate and place rebar/concrete for new footings…
GC named
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Nob Hill multifamily renovation
Grade DActive 26 days ago · On Square Corporation: GC
Revision to follwing on-site inspection with sfdbi, revision to footing detail, staircase landings, and shear design, to accomodate actual…
GC named
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$101K Marina multifamily renovation
Last active Jan 2025 · On Square Corporation: GC
Remodel 1 bathroom, adding fan, and can lights, repair electrical in another bathroom caused by water damage repair/replace existing can…
GC named
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6 more
On Square Corporation 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 names and mailing addresses, and full filing histories are part of the paid product.
9 project records for On Square Corporation: addresses, values, project teams
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Typical project$39K–$49K$49K typical2.9× the SF median ($17K)Last filed26 days agoNob Hill · Aug 21, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Aug 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Marina25%
Outer Richmond25%
Russian Hill25%
Nob Hill13%
Sunset/Parkside12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Chosen Rooter & Plumbing | Plumbing contractor | 1 | |
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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 #1080715As filed on 12 permits
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 1 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does On Square Corporation appear on?▾
PermitPipeline tracks 9 San Francisco building-permit projects for On Square Corporation (Jan 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does On Square Corporation work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of On Square Corporation'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 On Square Corporation work?▾
25% of On Square Corporation's tracked San Francisco projects are in Marina.
What is a typical On Square Corporation project worth?▾
The median declared value across the 9 San Francisco projects On Square Corporation has on record that state one is $49K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as On Square Corporation?▾
On Square Corporation most frequently appears on the same San Francisco permit filings as Chosen Rooter & Plumbing. Appearing together indicates association on shared filings, not a proven working relationship.
Is On Square Corporation a general contractor?▾
On Square Corporation 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.
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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