CheckMyDesignerDouglas Deng
Engineer · D2 Structural Engineers · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-7035First issued Jun 17, 2022, expires Dec 31, 2026.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the BPELSG enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 7 permits since 2023, 7 in the last 5 years. Latest filed Jun 10, 2026.
- What kind of projects?
- Home remodel 2 · Addition 1 · Commercial or tenant improvement 1
- How long do their permits take?
- Home remodel: within 1 month. 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.
Home remodel: 2 permits in San Francisco
Time to get a permit
Median from filing to permit, from 2 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 9,405 permits.
Where
- Inner Sunset1
- North Beach1
Most recent
- 723 Lincoln WyRemodel kitchen and baths in-kind on 2/f (unit# 725). remove/demolish unpermitted rear storage rooms and deck. remove/reconstruct exterior rear stairway to meet code. upgrade electrical main service panel to 400 amp.Dec 31, 2024Expired
- 572 Chestnut St #0Limited demolition of interior partitions walls within a four unit apartment bldg. on 2nd and 3rd fl units, replacement of kitchen & bathrooms. addition of one bathroom per unit. provide new beams and posts to support (e) floor and roof framing where interior bearing walls are to be demo. voluntaryAug 31, 2023Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Jun 10, 2026 | 1235 Washington St Repair/strengthening of existing failing west retaining wall Filed | Retaining wall or site work | Filed | — | |
| Apr 8, 2026 | 1237 Washington St To comply with nov202428314 to legalizae an (e) rear yard horizontal addition at the 2/f and roof deck at the 3/f. Filed | Legalize or fix a violation | Filed | — | |
| Sep 30, 2025 | 572 Chestnut St Install (2) new adu at groudn flr; reconfigure front stair; minor street encroachment under separate permit; modification to (e) guardrail at front stair; new sidewalk landscaping permit under separate permit; install new sprinklers through ground floor-nfpa 13r per fs-05-under separate permit. Approved | AdditionType unconfirmed | Approved | — | |
| Jun 27, 2025 | 723 Lincoln Wy Revision to pa # 202412317585: extend rear exterior stairway 3 feet as shown. add new central heating furnace and ducts. all work in 725 lincoln only. Complete | Revision or supplement | Complete | Within 1 month | |
| Dec 31, 2024 | 723 Lincoln Wy Remodel kitchen and baths in-kind on 2/f (unit# 725). remove/demolish unpermitted rear storage rooms and deck. remove/reconstruct exterior rear stairway to meet code. upgrade electrical main service panel to 400 amp. Expired | Home remodel | Expired | Within 1 month | |
| Sep 11, 2024 | 572 Chestnut St Revision to existing pa #202401224365. new scope of works includes extension of 2nd level deck wall Complete | Revision or supplement | Complete | Within 1 month | |
| Jul 10, 2024 | 291 10th St Demo existing roof mounter equipment, install floor gratting on existing steel frame structure. Issued | Commercial or tenant improvementType unconfirmed | Issued | Within 1 month | |
| Jan 22, 2024 | 572 Chestnut St Construction of new 2nd level exterior decks at 9'-6" above ground floor. Complete | Deck, stairs or patio cover | Complete | 2 months | |
| Oct 19, 2023 | 572 Chestnut St Rev to pa# 202308315740, removal of 2-substandard walls separting the laundry rooms from the kitchen ont he 2/f and 3/f. reconstruction inkind of exterior walls surrounding laundry rooms. rebuilding of dry rotted exterior stair to comply w/current bldg code standards. Issued | Revision or supplement | Issued | 3 months | |
| Aug 31, 2023 | 572 Chestnut St #0 Limited demolition of interior partitions walls within a four unit apartment bldg. on 2nd and 3rd fl units, replacement of kitchen & bathrooms. addition of one bathroom per unit. provide new beams and posts to support (e) floor and roof framing where interior bearing walls are to be demo. voluntary Issued | Home remodel | Issued | 2 months |
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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