(415) 933-44453224A 23rd St, San Francisco, CA 94110
Bay City Plumbing is a general contractor with 6 tracked San Francisco building-permit projects on record, with the latest filing in that record 76 days ago. Its filings (Mar 2025 to Jun 2026) are concentrated in Haight Ashbury and Mission, 100% residential. A typical project in the record declares $18K–$40K. If you work at Bay City Plumbing, claim this page to add a description.
Filed 76 days ago
#495
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
6
projects
from 19 filings
6/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$149K Potrero Hill multifamily renovation
Grade BActive 4 months ago · Bay City Plumbing: GC
Work category: 1p; one new bath and kitchen, one new laundry, one bath to existing plumbing
GC named · Architect identified · 2 specialty contractors identified
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$91K Presidio Heights multifamily renovation
Grade BActive 3 months ago · Bay City Plumbing: GC
Remodel bathroom and kitchen in kind. no wall removal or layout changes. bathroom approximately 42sf, kitchen approximately 200sf
GC named · Specialty contractor identified
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$40K West of Twin Peaks single-family renovation
Active 8 months ago · Bay City Plumbing: GC
Work category: 1p; 1 shower pan
GC named · 2 specialty contractors identified
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3 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.
6 project records for Bay City Plumbing: addresses, values, project teams
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Typical project$18K–$40K$40K typical2.4× the SF median ($17K)Last filed76 days agoWest of Twin Peaks · Jul 2, 2026Last 90 days3 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Haight Ashbury20%
Mission20%
Potrero Hill20%
Presidio Heights20%
Seacliff20%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | 2m Architecture | Architecture | 1 | |
| 1 | Califo Electric | Electrical contractor | 2 | |
| 2 | D N Construction | General contractor | 1 | |
| 3 | Perez Construction LLC. | General contractor | 1 | |
| 4 | Professional Home Designs | General contractor | 1 | |
| 5 | Mercy Electric | 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 #1001309As filed on 2 permits
Repeat working relationships1 firmFirms this one appears with on more than one project, out of 8 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Bay City Plumbing appear on?▾
PermitPipeline tracks 6 San Francisco building-permit projects for Bay City Plumbing (Mar 2025 to Jun 2026). 3 had filing activity in the last 90 days.
Does Bay City Plumbing work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Bay City Plumbing'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 Bay City Plumbing work?▾
20% of Bay City Plumbing's tracked San Francisco projects are in Haight Ashbury.
What is a typical Bay City Plumbing project worth?▾
The median declared value across the 6 San Francisco projects Bay City Plumbing has on record that state one is $40K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bay City Plumbing?▾
Bay City Plumbing most frequently appears on the same San Francisco permit filings as Califo Electric, 2m Architecture, D N Construction. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bay City Plumbing a general contractor?▾
Bay City Plumbing 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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