Darren Wong

Engineer · Dwong Engineering Inc. · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?: License activeCivil Engineer C-81082First issued May 29, 2013, expires Sep 30, 2027.
Source: DCA license roster, retrieved Nov 5, 2026
Verify on DCA License Search
Any board discipline?: None found.
We searched the BPELSG enforcement list on Nov 5, 2026.
Worked in San Francisco?: 368 permits since 2013, 368 in the last 5 years. Latest filed Sep 4, 2026.
What kind of projects?: Seismic retrofit or foundation 252 · Home remodel 34 · Legalize or fix a violation 26
How long do their permits take?: Seismic retrofit or foundation: 10 months. City typical for the same review: within 1 month.

Permits filed each year

San Francisco permits by the year they were filed. The last 5 years are in blue.

What are you planning?

Pick your kind of project to see their permits for it.

Seismic retrofit or foundation: 252 permits in San Francisco

From 2014 to 2026, latest filed Apr 28, 2026.

Time to get a permit

Theirs

10 months

City

Within 1 month

Median from filing to permit, from 220 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 19,078 permits.

Where

Outer Richmond38
Nob Hill28
Russian Hill26
Mission20

Most recent

Permits

464 permits that name Darren Wong, newest first, including 96 revisions or supplements that are not counted. Select a permit to see the full record.

Filed	Project	Type	Status	Time to permit
Sep 8, 2026	55 Oliver St Revision to pa# 2026-0702-4523. revise shear walls, floor joists, add new concrete footing, posts and beams. no exterior work. Filed	Revision or supplement	Filed	—
Sep 4, 2026	615 23rd Av Add new bath, bedrooms & office in the 1st fl. add new stair, bathrooms, remove interior walls in the 2nd fl. Issued	Home remodel	Issued	Within 1 month
Aug 28, 2026	615 23rd Av Interio remodel: relocate stair, bathroom, remove interior walls in the 2nd/f. add new bedrooms & office in the 1st/f. (infill lightwell under seperated permit 202608287394) Withdrawn	Home remodel	Withdrawn	—
Aug 11, 2026	2221 Pacific Av Adu at basement per ord# 162-16 within (e) envelope. convert basement space into 2 adu (unit# 6 & # 7). kitchan, living room, 2 bedroom, 2 bathroms on each adu. 1st floor-unit# 1: relocate kitchen. convert original kitchen space into new bedroom. add 1 full bahroom at hallway space. adu conversion & Triage	ADU	Triage	—
Aug 7, 2026	869 Washington St Convert store front entrance into ada compliance Issued	Commercial or tenant improvement	Issued	Within 1 month
May 15, 2026	342 09th St Remove storage room & infill the front door entrance ramp in the 1st/f (interior work only) Filed	Commercial or tenant improvement	Filed	—
May 12, 2026	901 Irving St Revision to pa# 202603278474: add new ada bath and remove (e) posts in the ground floor. Complete	Revision or supplement	Complete	Within 1 month
May 5, 2026	1108 Stockton St Revision to pa 202506249362 replace existing slab with new concrete slab in the basement level Issued	Revision or supplement	Issued	Within 1 month
Apr 28, 2026	1621 Polk St Soft story retrofit per sfebc chapter 4d engineering criteria cebc appendix a-4 (commercial). provide accessible restroom upgrade (d.a. checklist). this permit for commercial spaces. residential soft story under pa 202604169602 Issued	Seismic retrofit or foundationType unconfirmed	Issued	3 months
Mar 27, 2026	901 Irving St Voluntary structural strengthening .replace front entry at commercial unit Complete	Home remodel	Complete	Within 1 month
Mar 25, 2026	245 Richland Av Add new habitable space on ground flr w/ 1-bedroom, 1-bathroom, closet, media room, laundry & powder room. replace & relocate (e) furnace & water heater on ground flr. reconfigure 2/f, replace 14 windows & add 3 skylights, rebuild & reduce (e) deck at rear. Issued	Addition	Issued	Within 1 month
Mar 16, 2026	749 27th St Revision to pa# 201611142629, to reflect modified scope of work: minor interior reconfiguration at both levels, eliminate 2nd floor south deck. horizontal addition at rear. Issued	Revision or supplement	Issued	3 months
Feb 13, 2026	2172 Pacific Av Voluntary structural strengthening in the building. Complete	Home remodel	Complete	Within 1 month
Feb 6, 2026	836 Lyon St #0 Add new retaining wall in the rear yard Issued	Retaining wall or site work	Issued	8 months
Dec 10, 2025	1378 30th Av 2nd/f: kitchen & bathroom remodel, add 1 office, 1 master bathroom, relocate stairs. 1st/f: add 2 bedrooms, 2 bathrooms & 1 media room w/wet bar (938 sf), replace heating to radiant heat, upgrade panel to 200 amp Issued	Home remodelType unconfirmed	Issued	2 months
Dec 5, 2025	1625 Polk St Voluntary strentheing of exising concrete retaining wall in the rear of the bldg. Issued	Retaining wall or site work	Issued	1 month
Nov 21, 2025	471 19th Av Add new anchor bolts in the existing concrete footings. Complete	Seismic retrofit or foundation	Complete	Within 1 month
Oct 24, 2025	919 Capitol Av Garage lvl: convert garage to living space 644 sf: add 2 bedrooms, 1 bath, 1 family rm & wet bar. 2nd/f: add new bath, rear deck. comply w/ all nov's (201699061, 202423928, 201699051, 202423192, 202423663, 202314995, 202423291, 202540923, 201698141) Filed	Legalize or fix a violation	Filed	—
Oct 22, 2025	439 Duboce Av Repair damaged structure by: replace existing footing with new concrete footing. comply with nov #202543420. proposed front entry and facade alteration add power door operator on the front door. Issued	Legalize or fix a violation	Issued	10 months
Oct 10, 2025	2627 33rd Av Repair garage wall and add new beam. Complete	Home remodel	Complete	Within 1 month

Sources: DataSF i98e-djp9, 3pee-9qhc, retrieved Nov 5, 2026. Names on permits are matched to licenses by license number and name; unmatched records are not shown.

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