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Dwong Engineering Inc

Architecture firm · San Francisco
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18836 Redwood Rd, Castro Valley, CA
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Dwong Engineering Inc is an architecture firm with 58 tracked San Francisco building-permit projects on record, with the latest filing in that record 7 days ago. Its filings (Jan 2025 to Sep 2026) are concentrated in Sunset/Parkside and Portola, 83% residential. A typical project in the record declares $20K–$150K. If you work at Dwong Engineering Inc, claim this page to add a description.

Filed 7 days ago
#41
by SF filing activity
among SF architects & engineers, 90 days to Oct 4, 2026
58
projects
from 125 filings
13/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
Portfolio · $399/yearFree during launch
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Permit-backed projects · PermitPipeline’s independent record
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.
Typical project$20K–$150K$50K typical2.9× the SF median ($17K)Last filed7 days agoPortola · Sep 29, 2026Last 90 days13 active9 newly filed

Filing activity · 16 weeks to Oct 4, 2026 · peak Jul 2026

JUN
JUL
AUG
SEP

Project mix · by use

Commercial17%
Residential83%

Geography · by neighborhood

Sunset/Parkside31%
Portola24%
Chinatown17%
West of Twin Peaks17%
Inner Sunset11%

Shared-project connections

#FirmPrimary roleSharedRelative
1Campbell & AssiciatesArchitecture1
2ConsortiumArchitecture1
3Design Consultants Group, IncArchitecture1
4Hom & Pisano Engineering Inc.Engineering1
5Troy KashanipourArchitecture1
1Sincere Construction Company IncGeneral contractor8
2Hong's General Construction IncGeneral contractor4
3Wong Construction IncGeneral contractor4
4Bai ConstructionGeneral contractor3
5G B U Construction DevelopmentGeneral contractor3

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.
State licenseNot 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.
Repeat working relationships10 firmsFirms this one appears with on more than one project, out of 32 in total.
Permit speed13 days
This firm13d
SF median29d
16 days shorter than the SF median
based on 30 firm filings vs 4,712 SF filings

Frequently asked questions

How many SF projects does Dwong Engineering Inc appear on?▾
PermitPipeline tracks 58 San Francisco building-permit projects for Dwong Engineering Inc (Jan 2025 to Sep 2026). 13 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?▾
31% of Dwong Engineering Inc's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Dwong Engineering Inc project worth?▾
The median declared value across the 58 San Francisco projects Dwong Engineering Inc has on record that state one is $50K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Dwong Engineering Inc?▾
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 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 Oct 4, 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.
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Sources

San Francisco Department of Building Inspection permit filings.

Record source

Read directly from SF DBI filings.

Photography

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