Seismic Retrofitters Inc.
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#45
by NYC filing activity
among NYC general contractors, last 90 days
40
project records
Feb 2025 to Jul 2026
9/16
active weeks
weeks with a filing (last 16)
40 projects
Scopes, declared values and this firm's role on each one
See 40 projects involving Seismic Retrofitters
Recent projects involving this firm
Haight Ashbury
Replace the brick foundation with new reinforced concrete foundation & do voluntary…
$200K
Sunset/Parkside
Voluntary strengthening at ground floor
$52K
Inner Sunset
Install 5/8" tr foundation bolts @ 48" oc 7" min embedment. install 1/2" struc 1 plywood at…
$29K
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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40 project records for Seismic Retrofitters: addresses, values, project teams
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Middle 50% of declared values: $15K–$69K (median $26K)
Most recent filing: Haight Ashbury · Jul 20, 2026
10 active · 9 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
10
active projects (last 90d)
9
newly observed (last 90d)
May 2026
peak month
Project mix · by use
Commercial5%
Residential95%
Geography · by borough
Inner Sunset21%
Pacific Heights21%
Sunset/Parkside21%
West of Twin Peaks21%
Haight Ashbury16%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Ecr Engineering | Architecture | 6 | |
| 2 | Ecr Engineering | Architecture | 5 | |
| 3 | Ecr Engineering | Engineering | 2 | |
| 4 | Thor Matteson S.E. | Engineering | 1 | |
| 5 | City Structural Inc | Architecture | 1 | |
| 1 | Atlas General Construction | General contractor | 1 |
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 Seismic Retrofitters Inc. filed?▾
PermitPipeline tracks 40 San Francisco building-permit projects for Seismic Retrofitters Inc. (Feb 2025 to Jul 2026). 10 had filing activity in the last 90 days.
Does Seismic Retrofitters Inc. work on commercial or residential projects?▾
Across its tracked San Francisco filings, 5% of Seismic Retrofitters Inc.'s projects are commercial and 95% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Seismic Retrofitters Inc. work?▾
10% of Seismic Retrofitters Inc.'s tracked San Francisco projects are in Inner Sunset.
What is a typical Seismic Retrofitters Inc. project worth?▾
Across the 43 tracked projects with a declared value, Seismic Retrofitters Inc. averages $40K per project (declared value on the permit filing, not contract value).
Which firms does Seismic Retrofitters Inc. work with most often?▾
Seismic Retrofitters Inc. most frequently appears on the same San Francisco permit filings as Ecr Engineering, Ecr Engineering, Ecr Engineering. Appearing together indicates association on shared filings, not a proven working relationship.
Is Seismic Retrofitters Inc. a general contractor?▾
Seismic Retrofitters 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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