Semco
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#34
by NYC filing activity
among NYC architects & engineers, last 90 days
51
project records
Jan 2025 to Jul 2026
10/16
active weeks
weeks with a filing (last 16)
51 projects
Scopes, declared values and this firm's role on each one
See 51 projects involving Semco
Recent projects involving this firm
Outer Richmond
Underpinning (e) foundation(4'6") at rear north property line
$10K
Noe Valley
Add new stair to lower level, rework bedroom closets. bathroom & kitchen remodel on 2nd floor.…
$200K
Bernal Heights
Revisions to pa #202510248057. change function of 2 windows on rear elevation
$550K
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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51 project records for Semco: addresses, values, project teams
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Middle 50% of declared values: $23K–$251K (median $120K)
Most recent filing: Outer Richmond · Jul 23, 2026
10 active · 6 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
10
active projects (last 90d)
6
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Residential100%
Geography · by borough
Noe Valley31%
Bernal Heights28%
Outer Richmond17%
Glen Park14%
Hayes Valley10%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Semco Engineering Inc. | Engineering | 3 | |
| 2 | Martinkovic Milford Architects | Architecture | 3 | |
| 3 | Anne Forell Architecture | Architecture | 2 | |
| 4 | Apparatus | Architecture | 2 | |
| 5 | Mason Kirby Architect Inc | Architecture | 2 | |
| 1 | Custom Construction Enterprises | General contractor | 3 | |
| 2 | Rake Construction Inc | General contractor | 2 | |
| 3 | Keegan Contruction Inc. | General contractor | 2 | |
| 4 | Cardea Bldg Dba Dimension Design Group | General contractor | 2 | |
| 5 | Modern Craft Construction | General contractor | 2 |
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 Semco filed?▾
PermitPipeline tracks 51 San Francisco building-permit projects for Semco (Jan 2025 to Jul 2026). 10 had filing activity in the last 90 days.
Does Semco work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Semco'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 Semco work?▾
18% of Semco's tracked San Francisco projects are in Noe Valley.
What is a typical Semco project worth?▾
Across the 66 tracked projects with a declared value, Semco averages $174K per project (declared value on the permit filing, not contract value).
Which firms does Semco work with most often?▾
Semco most frequently appears on the same San Francisco permit filings as Semco Engineering Inc., Martinkovic Milford Architects, Custom Construction Enterprises. Appearing together indicates association on shared filings, not a proven working relationship.
Is Semco an engineering firm?▾
Semco is listed as an engineering firm 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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