Semco is an engineering firm with 52 tracked San Francisco building-permit projects on record, most recently 73 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 73 days ago
#43
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
52
projects
from 68 filings
9/16
active weeks
weeks with a filing (16 weeks to Aug 16, 2026)
Portfolio · $399/yearFree during launch
Work at Semco?
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.
Portfolio · $399/yearFree during launch
Work at Semco?
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
$181K Excelsior single-family renovation
Grade AFiled 4 months ago · Semco: engineer
Add an interior stair connecting the (e) level 1 with the (e) basement. convert the storage area in the basement into habitable space…
No GC named · Architect identified · Engineer identified · 2 anticipated categories not yet filed
View project details →
$45K Inner Sunset single-family renovation
Grade DFiled 3 months ago · Semco: engineer
Replacement of door for wider sliding door & replacement of window and lowering sill. expansion of existing deck to include lower level…
GC named · Architect identified · Design firm identified · Specialty contractor identified
View project details →
$195K Mission single-family renovation
Grade BFiled 3 months ago · Semco: engineer
Mep includes (n) heat pump, lighting, electrical, electrical, plumbing. install wsher dryer hookup on 3rd fl, new bathroom on 3rd floor…
GC named · 1 other firm identified · 2 anticipated categories not yet filed
View project details →
49 more
Semco 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 and contact details and full filing histories are part of the paid product.
52 project records for Semco: addresses, values, project teams
Start 14-day free trial
Typical project$23K–$251K$120K typicalLast filed73 days agoBernal Heights · Jul 29, 2026Last 90 days9 active6 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jul 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Bernal Heights30%
Noe Valley30%
Outer Richmond17%
Glen Park13%
Hayes Valley10%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Apparatus | Architecture | 3 | |
| 2 | Martinkovic Milford Architects | Architecture | 3 | |
| 3 | Mason Kirby Architect Inc | Architecture | 3 | |
| 4 | Semco Engineering Inc. | Engineering | 3 | |
| 5 | Anne Forell Architecture | Architecture | 2 | |
| 1 | Custom Construction Enterprises | General contractor | 3 | |
| 2 | Cardea Bldg Dba Dimension Design Group | General contractor | 2 | |
| 3 | Keegan Contruction Inc. | General contractor | 2 | |
| 4 | Modern Craft Construction | General contractor | 2 | |
| 5 | Noa Construction Llc | General contractor | 2 |
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 Semco 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
Check your inbox
We sent a sign-in link to . Open it and we will bring you back here and start monitoring Semco.
No password and no card. The link works once and lasts 15 minutes.
State licenceNot connectedArchitects are licensed by the California Architects Board and engineers by BPELSG. Neither register is part of the San Francisco permit record, and we do not yet read them.
Standing in its cohort#43San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file68 of 68 filingsEvery filing carries a stated value.
Repeat working relationships14 firmsFirms this one appears with on more than one project, out of 48 in total.
Frequently asked questions
How many SF projects has Semco filed?▾
PermitPipeline tracks 52 San Francisco building-permit projects for Semco (Jan 2025 to Jul 2026). 9 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?▾
30% of Semco's tracked San Francisco projects are in Bernal Heights.
What is a typical Semco project worth?▾
Across the 68 filings that state a declared value, Semco averages $169K per filing (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 Apparatus, Custom Construction Enterprises, Martinkovic Milford Architects. 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. Ranking, filing activity, project mix and geography were last recomputed Aug 16, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
Photographs are supplied by the firm.
Firm directories by market