Flow Masters Plumbing Inc is a general contractor with 14 tracked San Francisco building-permit projects on record, with the latest filing in that record 34 days ago. Its filings (Jan 2025 to Jul 2026) are concentrated in Bayview Hunters Point and Financial District/South Beach, 92% residential. A typical project in the record declares $8K–$30K. If you work at Flow Masters Plumbing Inc, claim this page to add a description.
Filed 34 days ago
#592
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
14
projects
from 49 filings
4/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
Portfolio · $399/yearFree during launch
Work at Flow Masters Plumbing 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
$15K Bayview Hunters Point renovation
Grade DActive 1 month ago · Flow Masters Plumbing: GC
Work category: 1p; back flow install
GC named · Specialty contractor identified
View project details →
$125K Twin Peaks single-family renovation
Last active May 2025 · Flow Masters Plumbing: GC
Work category: 1p; replace sewer from garage to housetrap
GC named · Architect identified · Engineer identified · 3 specialty contractors identified
View project details →
$5K Financial District/South Beach multifamily renovation
Grade DActive 4 months ago · Flow Masters Plumbing: GC
Remove dry-wall around wall hung toilets. inspect framing around toilet. adjust framing if needed
GC named · 1 other firm identified
View project details →
11 more
Flow Masters Plumbing 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.
14 project records for Flow Masters Plumbing Inc: addresses, values, project teams
Start 14-day free trial
Typical project$8K–$30K$15K typical88% of the SF median ($17K)Last filed34 days agoBayview Hunters Point · Aug 14, 2026Last 90 days2 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Aug 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial8%
Residential92%
Geography · by neighborhood
Bayview Hunters Point25%
Financial District/South Beach25%
Presidio Heights25%
Bernal Heights13%
Inner Richmond12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Tim O'sullivan Structural Eng | Engineering | 1 | |
| 2 | Zfa Structural Engineers | Architecture | 1 | |
| 1 | All In One Contractors | General contractor | 1 | |
| 2 | Bay Area Window Pros | General contractor | 1 | |
| 3 | Blucal | General contractor | 1 | |
| 4 | C C I Construction Inc | General contractor | 1 | |
| 5 | Christopher Wells Construction Inc. | 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 Flow Masters Plumbing 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 connectedContractor registration is 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 22 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Flow Masters Plumbing Inc appear on?▾
PermitPipeline tracks 14 San Francisco building-permit projects for Flow Masters Plumbing Inc (Jan 2025 to Jul 2026). 2 had filing activity in the last 90 days.
Does Flow Masters Plumbing Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 8% of Flow Masters Plumbing Inc's projects are commercial and 92% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Flow Masters Plumbing Inc work?▾
25% of Flow Masters Plumbing Inc's tracked San Francisco projects are in Bayview Hunters Point.
What is a typical Flow Masters Plumbing Inc project worth?▾
The median declared value across the 13 San Francisco projects Flow Masters Plumbing Inc has on record that state one is $15K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Flow Masters Plumbing Inc?▾
Flow Masters Plumbing Inc most frequently appears on the same San Francisco permit filings as All In One Contractors, Bay Area Window Pros, Blucal. Appearing together indicates association on shared filings, not a proven working relationship.
Is Flow Masters Plumbing Inc a general contractor?▾
Flow Masters Plumbing Inc 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.
Firm directories by market