Double D Engineerisgn
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#380
by SF filing activity
among SF architects & engineers, last 90 days
5
projects tracked
Apr 2025 to Jun 2026
2/16
active weeks
weeks with a filing (last 16)
Every Double D Engineerisgn project: scopes, declared values, teams and filing history.
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$350K Noe Valley renovation
Filed 1 month ago · Double D Engineerisgn: engineer
Convert part of detached garage into adu (state program), with 1-bedroom unit with kitchen and bathroom. (n) unit to be provided with…
No GC named
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$50K Sunset/Parkside renovation
Filed 2 months ago · Double D Engineerisgn: engineer
To comply with, repair concrete roof at rear of property, waterproof top side of concrete roof
GC named · 1 other firm identified
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$120K Glen Park renovation
Filed 6 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…
No GC named
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2 more
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Scopes, values, teams and filing history for every one
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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.
5 project records for Double D Engineerisgn: addresses, values, project teams
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Middle 50% of declared values: $120K–$259K (median $150K)
Most recent filing: Noe Valley · Jun 14, 2026
2 active · 2 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
2
active projects (last 90d)
2
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Noe Valley40%
Sunset/Parkside40%
Glen Park20%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Janes Street Architects | Architecture | 1 | |
| 2 | Martinkovich Milford Arch | Architecture | 1 | |
| 1 | Fogarty Construction | General contractor | 1 | |
| 2 | Mulhall Construction Inc. | 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 Double D Engineerisgn filed?▾
PermitPipeline tracks 5 San Francisco building-permit projects for Double D Engineerisgn (Apr 2025 to Jun 2026). 2 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?▾
40% of Double D Engineerisgn's tracked San Francisco projects are in Noe Valley.
What is a typical Double D Engineerisgn project worth?▾
Across the 5 tracked projects with a declared value, Double D Engineerisgn averages $186K per project (declared value on the permit filing, not contract value).
Which firms does Double D Engineerisgn work with most often?▾
Double D Engineerisgn most frequently appears on the same San Francisco permit filings as Mulhall Construction Inc., Martinkovich Milford Arch, 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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