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O'connor Plumbing & Fire Protection is a general contractor with 12 tracked San Francisco building-permit projects on record, most recently 79 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 79 days ago
#456
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
12
projects
from 15 filings
1/16
active week
weeks with a filing (16 weeks to Aug 16, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$62K North Beach multifamily renovation
Grade BFiled 2 months ago · O'connor Plumbing & Fire Protection: design firm
Provide new sprinkler system throughout building and new underground per nfpa 24. ref
GC named · 1 other firm identified · 1 anticipated category not yet filed
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$9K Financial District/South Beach tenant improvement
Filed Sep 2025 · O'connor Plumbing & Fire Protection: design firm
Unit 2d: add 3 new sprinkler heads, and relocate 22 e) fire sprinkler heads. ref tenant improvement
GC named · 1 other firm identified
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$4K Lone Mountain/USF multifamily renovation
Filed Aug 2025 · O'connor Plumbing & Fire Protection: design firm
Provide and relocate fire sprinkler heads for adu on ground floor. ref
GC named · 1 other firm identified
View project details →
9 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 and contact details and full filing histories are part of the paid product.
12 project records for O'connor Plumbing & Fire Protection: addresses, values, project teams
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Typical project$10K–$29K$15K typicalLast filed79 days agoNorth Beach · Jul 24, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jul 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Inner Sunset38%
Nob Hill25%
Bernal Heights13%
Financial District/South Beach12%
Lone Mountain/USF12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Centoni Restoration & Development | General contractor | 1 | |
| 2 | Rf Fire Alarm Pro Inc | General 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 licenceNot connectedArchitects are licensed by the California Architects Board and engineers by BPELSG. Neither register is part of the San Francisco permit record, and we do not yet read them.
Standing in its cohort#456San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file15 of 15 filingsEvery filing carries a stated value.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 2 in total.
Frequently asked questions
How many SF projects has O'connor Plumbing & Fire Protection filed?▾
PermitPipeline tracks 12 San Francisco building-permit projects for O'connor Plumbing & Fire Protection (Mar 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does O'connor Plumbing & Fire Protection work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of O'connor Plumbing & Fire Protection'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 O'connor Plumbing & Fire Protection work?▾
38% of O'connor Plumbing & Fire Protection's tracked San Francisco projects are in Inner Sunset.
What is a typical O'connor Plumbing & Fire Protection project worth?▾
Across the 15 filings that state a declared value, O'connor Plumbing & Fire Protection averages $18K per filing (declared value on the permit filing, not contract value).
Which firms does O'connor Plumbing & Fire Protection work with most often?▾
O'connor Plumbing & Fire Protection most frequently appears on the same San Francisco permit filings as Centoni Restoration & Development, Rf Fire Alarm Pro Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is O'connor Plumbing & Fire Protection a general contractor?▾
O'connor Plumbing & Fire Protection 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. Ranking, filing activity, project mix and geography were last recomputed Aug 16, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
Photographs are supplied by the firm.
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