doubledengineering.com72 Otis St, San Francisco, CA 94103
Double D Engineerisgn is an engineering firm with 4 tracked San Francisco building-permit projects on record, with the latest filing in that record 80 days ago. Its filings (Apr 2025 to Jun 2026) are concentrated in Noe Valley and Glen Park, 100% residential. A typical project in the record declares $150K–$350K. If you work at Double D Engineerisgn, claim this page to add a description.
Filed 80 days ago
#662
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
4
projects
from 5 filings
1/16
active week
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$350K Noe Valley single-family renovation
Grade AActive 3 months ago · Double D Engineerisgn: engineer
Work category: 4pa; fire sprinkler installation throughout unit (a) per nfpa 13-r with a 2'' dedicated fire service per nfpa 24
No GC named
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$220K Glen Park single-family renovation
Grade AActive 3 months ago · Double D Engineerisgn: engineer
Installation of a 3-stop residential elevator. reconfiguration of front roof structure & conversion of attic space into 3rd floor living…
GC named · 3 anticipated categories not yet filed
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
4 project records for Double D Engineerisgn: addresses, values, project teams
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Typical project$150K–$350K$259K typical15× the SF median ($17K)Last filed80 days agoNoe Valley · Jun 29, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Noe Valley50%
Glen Park25%
Sunset/Parkside25%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Janes Street Architects | Architecture | 1 | |
| 2 | Martinkovic Milford Architects | Architecture | 1 | |
| 3 | Martinkovich Milford Arch | Architecture | 1 | |
| 1 | Fogarty 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 licenseCSLB Contractor #3928As filed on 1 permit
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 4 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Double D Engineerisgn appear on?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Double D Engineerisgn (Apr 2025 to Jun 2026). 1 had filing activity in the last 90 days.
Does Double D Engineerisgn work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Double D Engineerisgn'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 Double D Engineerisgn work?▾
50% of Double D Engineerisgn's tracked San Francisco projects are in Noe Valley.
What is a typical Double D Engineerisgn project worth?▾
The median declared value across the 4 San Francisco projects Double D Engineerisgn has on record that state one is $259K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Double D Engineerisgn?▾
Double D Engineerisgn most frequently appears on the same San Francisco permit filings as Fogarty Construction, Janes Street Architects, Martinkovic Milford Architects. Appearing together indicates association on shared filings, not a proven working relationship.
Is Double D Engineerisgn an engineering firm?▾
Double D Engineerisgn 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
None are shown until the firm supplies them.
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