Semco Engineering Inc. is an engineering firm with 13 tracked San Francisco building-permit projects on record, with the latest filing in that record 27 days ago. Its filings (Feb 2025 to Jul 2026) are concentrated in Potrero Hill and Bernal Heights, 100% residential. A typical project in the record declares $70K–$550K. If you work at Semco Engineering Inc., claim this page to add a description.
Filed 27 days ago
#209
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
13
projects
from 29 filings
4/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$907K Sunset/Parkside single-family renovation
Grade AActive 2 months ago · Semco Engineering: engineer
Temporarily remove and later re-install existing pv system for roof maintenance. no change to equipment or layout. original, completed…
GC named · Architect identified
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$240K West of Twin Peaks single-family renovation
Active 6 months ago · 2 filings · Semco Engineering: engineer
Revision to issued. minor changes to windows at sides and skylights. structural updates per plans
GC named · Engineer identified
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Bernal Heights multifamily renovation
Grade AActive 1 month ago · 2 filings · Semco Engineering: engineer
Revisions to. change function of 2 windows on rear elevation
GC named · Engineer identified · Specialty contractor identified · 1 anticipated category not yet filed
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
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13 project records for Semco Engineering Inc.: addresses, values, project teams
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Typical project$70K–$550K$240K typical14× the SF median ($17K)Last filed27 days agoSunset/Parkside · Aug 20, 2026Last 90 days4 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Potrero Hill34%
Bernal Heights22%
Sunset/Parkside22%
Hayes Valley11%
Inner Richmond11%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Mark English Architects | Architecture | 3 | |
| 2 | Semco | Engineering | 3 | |
| 3 | Levy Art & Architecture | Architecture | 1 | |
| 1 | Blair Burke General Contractors Inc | General contractor | 2 | |
| 2 | Custom Construction Enterprises | General contractor | 2 | |
| 3 | Alward Const. Co Inc A Ca Corp | General contractor | 1 | |
| 4 | Keegan Contruction Inc. | General contractor | 1 | |
| 5 | Modern Craft Construction | General contractor | 1 |
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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.
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State licenseCalifornia architect #S-4605On 4 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships4 firmsFirms this one appears with on more than one project, out of 9 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Semco Engineering Inc. appear on?▾
PermitPipeline tracks 13 San Francisco building-permit projects for Semco Engineering Inc. (Feb 2025 to Jul 2026). 4 had filing activity in the last 90 days.
Does Semco Engineering Inc. work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Semco Engineering Inc.'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 Engineering Inc. work?▾
34% of Semco Engineering Inc.'s tracked San Francisco projects are in Potrero Hill.
What is a typical Semco Engineering Inc. project worth?▾
The median declared value across the 13 San Francisco projects Semco Engineering Inc. has on record that state one is $240K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Semco Engineering Inc.?▾
Semco Engineering Inc. most frequently appears on the same San Francisco permit filings as Mark English Architects, Semco, Blair Burke General Contractors Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Semco Engineering Inc. an engineering firm?▾
Semco Engineering Inc. 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 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
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