sungengineering.com29300 Kohoutek Way, Union City, CA
Sung Engineering Inc. is an engineering firm with 3 tracked San Francisco building-permit projects on record, with the latest filing in that record 70 days ago. Its filings (Feb 2026 to Jul 2026) are concentrated in Lone Mountain/USF and Outer Richmond, 100% residential. If you work at Sung Engineering Inc., claim this page to add a description.
Filed 70 days ago
#760
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
3
projects
from 3 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
$35K Presidio Heights multifamily renovation
Grade DActive 1 month ago · Sung Engineering: engineer
Remodel garage. garage door move forward. remove non-structural wall. new footings at garage door and wall to be removed. 7/22/2026
GC named · Specialty contractor identified
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$25K Outer Richmond multifamily renovation
Active 7 months ago · Sung Engineering: engineer
Repairing brackets on fire scape rust
GC named · Design firm identified · Specialty contractor identified
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3 project records for Sung Engineering Inc.: addresses, values, project teams
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Declared values3 on filetoo few for a rangeLast filed70 days agoPresidio Heights · Jul 9, 2026Last 90 days1 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
Lone Mountain/USF34%
Outer Richmond33%
Presidio Heights33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Aak Builders Corp | General contractor | 1 | |
| 2 | Doherty Restoration, Inc. | General contractor | 1 | |
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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 #46256As filed on 1 permit
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 2 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Sung Engineering Inc. appear on?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Sung Engineering Inc. (Feb 2026 to Jul 2026). 1 had filing activity in the last 90 days.
Does Sung Engineering Inc. work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Sung 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 Sung Engineering Inc. work?▾
34% of Sung Engineering Inc.'s tracked San Francisco projects are in Lone Mountain/USF.
Which firms appear most often on the same filings as Sung Engineering Inc.?▾
Sung Engineering Inc. most frequently appears on the same San Francisco permit filings as Aak Builders Corp, Doherty Restoration, Inc.. Appearing together indicates association on shared filings, not a proven working relationship.
Is Sung Engineering Inc. an engineering firm?▾
Sung 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
None are shown until the firm supplies them.
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