Sewer Master
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1503
by NYC filing activity
among NYC general contractors, last 90 days
6
project records
Oct 2025 to Apr 2026
1/16
active weeks
weeks with a filing (last 16)
6 projects
Scopes, declared values and this firm's role on each one
See 6 projects involving Sewer Master
Recent projects involving this firm
South of Market
Door and window replacement
$20K
South of Market
New store front
$20K
South of Market
Deferred mep for 202410072461, 202512. delete a toilet and exhaust fan approved for…
$1
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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6 project records for Sewer Master: addresses, values, project teams
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Middle 50% of declared values: $20K–$40K (median $20K)
Most recent filing: South of Market · Apr 23, 2026
0 active · 0 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
0
active projects (last 90d)
0
newly observed (last 90d)
Apr 2026
peak month
Project mix · by use
Commercial67%
Residential33%
Geography · by borough
South of Market50%
Mission17%
Nob Hill17%
Russian Hill16%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Edw. Lee Hammack, Architect | Architecture | 3 | |
| 2 | Studio 797 | Architecture | 1 | |
| 3 | Architect Sf | Architecture | 1 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Sewer Master filed?▾
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?▾
Across the 6 tracked projects with a declared value, Sewer Master averages $26K per project (declared value on the permit filing, not contract value).
Which firms does Sewer Master work with most often?▾
Sewer Master most frequently appears on the same San Francisco permit filings as Edw. Lee Hammack, Architect, Studio 797, 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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