pacificnorthstarmechanical.com(408) 353-4145info@pacificnorthstarmechanical.com10381 N Portal Ave, Cupertino, CA 95014
Pacific Northstar Mechanical is a plumbing contractor with 3 tracked San Francisco building-permit projects on record, with the latest filing in that record 264 days ago. Its filings (Jan 2025 to Oct 2025) are concentrated in Financial District/South Beach and Marina, 100% commercial. If you work at Pacific Northstar Mechanical, claim this page to add a description.
Filed 264 days ago
#2,257
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
3
projects
from 9 filings
0/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$310K Tenderloin tenant improvement
Last active Jul 2025 · 2 filings · Pacific Northstar Mechanical: specialty contractor
Ref tenant improvement - ste. 1045- relocate and replace (14) /add (2) pendent fire sprinklers for tenant improvement. no underground work
GC named · Architect identified · Design firm identified · 2 specialty contractors identified
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$197K Marina commercial renovation
Active 11 months ago · Pacific Northstar Mechanical: specialty contractor
Work category: 5m; modifications to existing ductwork to accommodate new floor plan
GC named · Specialty contractor identified
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$27K Financial District/South Beach tenant improvement
Last active Jan 2025 · Pacific Northstar Mechanical: specialty contractor
7th/f, ste 710: provide a modification of e) fire alarm system per ste 710 tenant improvement.(ref tenant improvement.): add 7 new ceiling…
GC named · Design firm identified · Specialty contractor identified
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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.
3 project records for Pacific Northstar Mechanical: addresses, values, project teams
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Declared values3 on filetoo few for a rangeLast filed264 days agoMarina · Jan 16, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Oct 4, 2026
JUN
JUL
AUG
SEP
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach34%
Marina33%
Tenderloin33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Boulder Associates | Architecture | 1 | |
| 1 | Aquamatic Fire Protection | General contractor | 1 | |
| 2 | D A Pope Inc | General contractor | 1 | |
| 3 | Diablo Electric Inc. | General contractor | 1 | |
| 4 | H C I Systems Inc | General contractor | 1 | |
| 5 | Terry Mechanical Inc | Plumbing 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 licenseNot connectedTrade licenses are held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
Repeat working relationships0 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 Pacific Northstar Mechanical appear on?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Pacific Northstar Mechanical (Jan 2025 to Oct 2025). 0 had filing activity in the last 90 days.
Does Pacific Northstar Mechanical work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Pacific Northstar Mechanical's projects are commercial and 0% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Pacific Northstar Mechanical work?▾
34% of Pacific Northstar Mechanical's tracked San Francisco projects are in Financial District/South Beach.
Which firms appear most often on the same filings as Pacific Northstar Mechanical?▾
Pacific Northstar Mechanical most frequently appears on the same San Francisco permit filings as Aquamatic Fire Protection, Boulder Associates, D A Pope Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Pacific Northstar Mechanical a plumbing contractor?▾
Pacific Northstar Mechanical is listed as a plumbing 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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