No published contact details.
Xin Feng Inc is a plumbing contractor with 8 tracked San Francisco building-permit projects on record, with the latest filing in that record 150 days ago. Its filings (Mar 2025 to Apr 2026) are concentrated in Marina and Outer Richmond, 100% residential. A typical project in the record declares $25K–$35K. If you work at Xin Feng Inc, claim this page to add a description.
Filed 150 days ago
#1,495
by SF filing activity
among SF specialty contractors, 90 days to Aug 23, 2026
8
projects
from 30 filings
0/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
Portfolio · $399/yearFree during launch
Work at Xin Feng Inc?
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Permit-backed projects · PermitPipeline’s independent record
$30K Noe Valley multifamily renovation
Grade DActive 4 months ago · Xin Feng: specialty contractor
Revision to rear side expansion/horizontal addition at the attic level, add one bedroom and one bathroom, relocate one dormer, add another…
GC named · Design firm identified · 2 specialty contractors identified
View project details →
$25K Sunset/Parkside single-family renovation
Active 11 months ago · Xin Feng: specialty contractor
Remodel of existing single family home. 3 bedroom, 1 bath, kitchen dining and living room. existing 200 amp service and panel
GC named · 2 architects identified · 2 engineers identified · 4 specialty contractors identified
View project details →
$155K West of Twin Peaks single-family renovation
Last active Apr 2025 · Xin Feng: specialty contractor
Remodel of ground floor
GC named · Architect identified · Design firm identified · Engineer identified · 2 specialty contractors identified
View project details →
5 more
Xin Feng projects with project intelligence
Scopes, values, teams and filing history for every one
Start your 14-day trial →
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.
8 project records for Xin Feng Inc: addresses, values, project teams
Start 14-day free trial
Typical project$25K–$35K$30K typicalLast filed150 days agoNoe Valley · Apr 20, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Marina29%
Outer Richmond29%
Inner Richmond14%
Noe Valley14%
Sunset/Parkside14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | I-Design Arch. | Architecture | 2 | |
| 2 | Creates Cool | Architecture | 1 | |
| 3 | Double -D Engineering | Engineering | 1 | |
| 4 | Ecr Engineering | Architecture | 1 | |
| 1 | Paul O'driscoll Inc | General contractor | 4 | |
| 2 | Michael Mccarthy Elec/ Dba:Dmacs Electr | Electrical contractor | 4 | |
| 3 | Cahalane Electric Inc | Electrical contractor | 2 | |
| 4 | Quinlan Construction | General contractor | 1 | |
| 5 | Xteam Design Construction | General contractor | 1 |
Create a free account to see every firm on these projects and how many projects each one shares.
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.
Get an email when Xin Feng Inc files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
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 relationships4 firmsFirms this one appears with on more than one project, out of 13 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 Feng Inc appear on?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Xin Feng Inc (Mar 2025 to Apr 2026). 0 had filing activity in the last 90 days.
Does Xin Feng Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Xin Feng Inc'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 Feng Inc work?▾
29% of Xin Feng Inc's tracked San Francisco projects are in Marina.
What is a typical Xin Feng Inc project worth?▾
The median declared value across the 8 San Francisco projects Xin Feng Inc has on record that state one is $30K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Xin Feng Inc?▾
Xin Feng Inc most frequently appears on the same San Francisco permit filings as Paul O'driscoll Inc, Michael Mccarthy Elec/ Dba:Dmacs Electr, I-Design Arch.. Appearing together indicates association on shared filings, not a proven working relationship.
Is Xin Feng Inc a plumbing contractor?▾
Xin Feng Inc 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 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.
Firm directories by market