No published contact details.
Flow Tec Inc is a plumbing contractor with 11 tracked San Francisco building-permit projects on record, with the latest filing in that record 141 days ago. Its filings (Jan 2025 to May 2026) are concentrated in Hayes Valley and Castro/Upper Market, 100% residential. A typical project in the record declares $1K–$24K. If you work at Flow Tec Inc, claim this page to add a description.
Filed 141 days ago
#1,721
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
11
projects
from 26 filings
0/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$15K Lincoln Park multifamily renovation
Active 11 months ago · Flow Tec: specialty contractor
Remodel kitchen and bathroom, like for like. 6 lights, 6 switches, 4 receptacles, 1 fan, 1 d/w, 1 g/d, 1 microwave, 1 range, 1 s/d
GC named · Specialty contractor identified
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Lone Mountain/USF renovation
Active 5 months ago · Flow Tec: specialty contractor
Work category: 2pb; remove and replace house trap, fresh air vent and sewer under sidewalk
No GC named
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Castro/Upper Market renovation
Last active Jul 2025 · Flow Tec: specialty contractor
Work category: 1p; replace existing 5" main sewer and tie in connections
GC named · 3 specialty contractors identified
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8 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.
11 project records for Flow Tec Inc: addresses, values, project teams
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Typical project$1K–$24K$15K typicalLast filed141 days agoCastro/Upper Market · May 19, 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
Hayes Valley33%
Castro/Upper Market17%
Haight Ashbury17%
Inner Sunset17%
Lincoln Park16%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Byington Electric Corp | General contractor | 1 | |
| 2 | JJJ & K Inc./Dba: Alexander Company | General contractor | 1 | |
| 3 | K&H Construction Development Inc | General contractor | 1 | |
| 4 | Malagic Construction | General contractor | 1 | |
| 5 | The Noor Construction | 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 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 relationships0 firmsFirms 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 Flow Tec Inc appear on?▾
PermitPipeline tracks 11 San Francisco building-permit projects for Flow Tec Inc (Jan 2025 to May 2026). 0 had filing activity in the last 90 days.
Does Flow Tec Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Flow Tec 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 Flow Tec Inc work?▾
33% of Flow Tec Inc's tracked San Francisco projects are in Hayes Valley.
What is a typical Flow Tec Inc project worth?▾
The median declared value across the 6 San Francisco projects Flow Tec 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 Tec Inc?▾
Flow Tec Inc most frequently appears on the same San Francisco permit filings as Byington Electric Corp, JJJ & K Inc./Dba: Alexander Company, K&H Construction Development Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Flow Tec Inc a plumbing contractor?▾
Flow Tec 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 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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