Sewer Master is a general contractor with 6 tracked San Francisco building-permit projects on record, with the latest filing in that record 146 days ago. Its filings (Oct 2025 to Apr 2026) are concentrated in South of Market and Mission, 67% commercial. A typical project in the record declares $20K–$40K. If you work at Sewer Master, claim this page to add a description.
Filed 146 days ago
#1,700
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
6
projects
from 13 filings
0/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
Portfolio · $399/yearFree during launch
Work at Sewer Master?
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
$20K South of Market commercial renovation
Grade DActive 4 months ago · Sewer Master: GC
New store front
GC named · Architect identified
View project details →
$20K South of Market commercial renovation
Grade DActive 4 months ago · Sewer Master: GC
Door and window replacement
GC named · Architect identified
View project details →
South of Market commercial renovation
Active 7 months ago · Sewer Master: GC
Deferred mep for, 202512. delete a toilet and exhaust fan approved for installation under. ref drawings attached
GC named · Architect identified
View project details →
3 more
Sewer Master 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.
6 project records for Sewer Master: addresses, values, project teams
Start 14-day free trial
Typical project$20K–$40K$20K typical1.2× the SF median ($17K)Last filed146 days agoSouth of Market · Apr 23, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial67%
Residential33%
Geography · by neighborhood
South of Market50%
Mission17%
Nob Hill17%
Russian Hill16%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Edw. Lee Hammack, Architect | Architecture | 3 | |
| 2 | Architect SF | Architecture | 1 | |
| 3 | Studio 797 | Architecture | 1 | |
| 1 | Rodriguez A Electric | Electrical contractor | 2 | |
| 2 | Olga Garibay Plumbing | Plumbing 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 Sewer Master 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 licenseCSLB Contractor #874840As filed on 4 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 5 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Sewer Master appear on?▾
PermitPipeline tracks 6 San Francisco building-permit projects for Sewer Master (Oct 2025 to Apr 2026). 0 had filing activity in the last 90 days.
Does Sewer Master work on commercial or residential projects?▾
Across its tracked San Francisco filings, 67% of Sewer Master's projects are commercial and 33% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Sewer Master work?▾
50% of Sewer Master's tracked San Francisco projects are in South of Market.
What is a typical Sewer Master project worth?▾
The median declared value across the 6 San Francisco projects Sewer Master has on record that state one is $20K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Sewer Master?▾
Sewer Master most frequently appears on the same San Francisco permit filings as Edw. Lee Hammack, Architect, Rodriguez A Electric, Architect SF. Appearing together indicates association on shared filings, not a proven working relationship.
Is Sewer Master a general contractor?▾
Sewer Master 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