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Xin Plumbing Corporation is a plumbing contractor with 14 tracked San Francisco building-permit projects on record, with the latest filing in that record 140 days ago. Its filings (Feb 2025 to Mar 2026) are concentrated in West of Twin Peaks and Noe Valley, 100% residential. A typical project in the record declares $15K–$60K. If you work at Xin Plumbing Corporation, claim this page to add a description.
Filed 140 days ago
#1,676
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
14
projects
from 50 filings
0/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
Portfolio · $399/yearFree during launch
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Permit-backed projects · PermitPipeline’s independent record
$250K Noe Valley single-family renovation
Active 10 months ago · Xin Plumbing Corporation: specialty contractor
Work category: 1m; replace furnace, install one new fan coil and one condenser
GC named · Architect identified · 2 specialty contractors identified
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$322K Sunset/Parkside single-family renovation
Last active Aug 2025 · 2 filings · Xin Plumbing Corporation: specialty contractor
This pays for inspections related to original filed 8/21/2025. dow: work category: 2pb; new additional 2 batroom,2 kitchen and 1 laundry…
GC named · Engineer identified · 3 specialty contractors identified
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$20K West of Twin Peaks single-family renovation
Active 6 months ago · Xin Plumbing Corporation: specialty contractor
Rewire full bath room, lights and gfci and exsaust fan
GC named · Specialty contractor identified
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11 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.
14 project records for Xin Plumbing Corporation: addresses, values, project teams
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Typical project$15K–$60K$28K typicalLast filed140 days agoNoe Valley · May 20, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Oct 4, 2026
JUN
JUL
AUG
SEP
Project mix · by use
Residential100%
Geography · by neighborhood
West of Twin Peaks46%
Noe Valley18%
Sunset/Parkside18%
Bernal Heights9%
Castro/Upper Market9%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Framework Engineering PC | Engineering | 1 | |
| 2 | Altos Engineering | Architecture | 1 | |
| 3 | Exforma Design | Engineering | 1 | |
| 4 | Farrrell Architecture | Architecture | 1 | |
| 5 | Jza Architure | Architecture | 1 | |
| 1 | Ronan Mc Connell Electric | Electrical contractor | 4 | |
| 2 | Ciarrai Construction | General contractor | 3 | |
| 3 | PJD Construction Inc | General contractor | 3 | |
| 4 | Cahalane Electric Inc | Electrical contractor | 3 | |
| 5 | Okells Inc | General contractor | 2 |
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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 relationships6 firmsFirms this one appears with on more than one project, out of 24 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Xin Plumbing Corporation appear on?▾
PermitPipeline tracks 14 San Francisco building-permit projects for Xin Plumbing Corporation (Feb 2025 to Mar 2026). 0 had filing activity in the last 90 days.
Does Xin Plumbing Corporation work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Xin Plumbing 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 Xin Plumbing Corporation work?▾
46% of Xin Plumbing Corporation's tracked San Francisco projects are in West of Twin Peaks.
What is a typical Xin Plumbing Corporation project worth?▾
The median declared value across the 12 San Francisco projects Xin Plumbing Corporation has on record that state one is $28K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Xin Plumbing Corporation?▾
Xin Plumbing Corporation most frequently appears on the same San Francisco permit filings as Ronan Mc Connell Electric, Ciarrai Construction, PJD Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Xin Plumbing Corporation a plumbing contractor?▾
Xin Plumbing Corporation 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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