18836 Redwood Rd, Castro Valley, CA
Dwong Engineering Inc is an architecture firm with 53 tracked San Francisco building-permit projects on record, most recently 59 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 59 days ago
#42
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
53
projects
from 67 filings
12/16
active weeks
weeks with a filing (16 weeks to Aug 16, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$90K Lone Mountain/USF commercial renovation
Grade BFiled 2 months ago · Dwong Engineering: architect
Add rooms in the commercial space for proposed piano studio
No GC named · 2 anticipated categories not yet filed
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$210K Nob Hill commercial renovation
Grade BFiled 2 months ago · 2 filings · Dwong Engineering: architect
Residential: seismic retrofit of soft story comply with sfebc 4d mandatory seismic retrofit per 2025 cebc appendix a4. commercial soft story
GC named · Specialty contractor identified · 2 anticipated categories not yet filed
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$20K Noe Valley single-family renovation
Grade DFiled 3 months ago · Dwong Engineering: engineer
Revision to, to reflect modified scope of work: minor interior reconfiguration at both levels, eliminate 2nd floor south deck. horizontal…
GC named · Architect identified
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50 more
Dwong Engineering projects with project intelligence
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.
53 project records for Dwong Engineering Inc: addresses, values, project teams
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Typical project$20K–$120K$40K typicalLast filed59 days agoChinatown · Aug 12, 2026Last 90 days9 active8 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jun 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Commercial17%
Residential83%
Geography · by neighborhood
Sunset/Parkside30%
Portola22%
Chinatown19%
West of Twin Peaks18%
Inner Sunset11%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Campbell & Assiciates | Architecture | 1 | |
| 2 | Consortium | Architecture | 1 | |
| 3 | Design Consultants Group, Inc | Architecture | 1 | |
| 4 | Hom & Pisano Engineering Inc. | Engineering | 1 | |
| 5 | Troy Kashanipour | Architecture | 1 | |
| 1 | Sincere Construction Company Inc | General contractor | 6 | |
| 2 | Hong's General Construction Inc | General contractor | 4 | |
| 3 | Wong Construction Inc | General contractor | 4 | |
| 4 | Bai Construction | General contractor | 3 | |
| 5 | G B U Construction Development | General contractor | 3 |
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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 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#42San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file67 of 67 filingsEvery filing carries a stated value.
Repeat working relationships8 firmsFirms this one appears with on more than one project, out of 23 in total.
Frequently asked questions
How many SF projects has Dwong Engineering Inc filed?▾
PermitPipeline tracks 53 San Francisco building-permit projects for Dwong Engineering Inc (Jan 2025 to Aug 2026). 9 had filing activity in the last 90 days.
Does Dwong Engineering Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 17% of Dwong Engineering Inc's projects are commercial and 83% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Dwong Engineering Inc work?▾
30% of Dwong Engineering Inc's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Dwong Engineering Inc project worth?▾
Across the 67 filings that state a declared value, Dwong Engineering Inc averages $60K per filing (declared value on the permit filing, not contract value).
Which firms does Dwong Engineering Inc work with most often?▾
Dwong Engineering Inc most frequently appears on the same San Francisco permit filings as Sincere Construction Company Inc, Hong's General Construction Inc, Wong Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Dwong Engineering Inc an architecture firm?▾
Dwong Engineering Inc is listed as an architecture 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.
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