Douglas Deng
- Listed as
- engineer
- Firm
- D2 Structural Engineers
- Based in
- Sf
- On San Francisco permits
- Aug 2023 to Jun 2026
10 permits since 2000 (engineer on 10 permits): 3 completed, 6 in progress, 1 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Jun 10, 2026 | In progress filed Jun 2026, not yet issued | 1235 Washington St | repair/strengthening of existing failing west retaining wallDetails
repair/strengthening of existing failing west retaining wall | $100,000 | |
| Apr 8, 2026 | In progress filed Apr 2026, not yet issued | 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.Details
to comply with nov202428314 to legalizae an (e) rear yard horizontal addition at the 2/f and roof deck at the 3/f. | $30,000 | |
| Sep 30, 2025 | In progress filed Sep 2025, not yet issued | 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.Details
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. | $276,000 | |
| Jun 27, 2025 | Completed final sign-off Mar 2026 | 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.Details
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. | $9,000 | |
| Dec 31, 2024 | Expired or cancelled expired Mar 2026 | 723 Lincoln Wy | Eternity Home Builders Inc | 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.Details
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. | $30,000 |
| Sep 11, 2024 | Completed final sign-off Feb 2025 | 572 Chestnut St | Apex America Gc Inc | revision to existing pa #202401224365. new scope of works includes extension of 2nd level deck wallDetails
revision to existing pa #202401224365. new scope of works includes extension of 2nd level deck wall | |
| Jul 10, 2024 | In progress issued Jul 2024 | 291 10th St | Dmg Enterprises Inc | demo existing roof mounter equipment, install floor gratting on existing steel frame structure.Details
demo existing roof mounter equipment, install floor gratting on existing steel frame structure. | $32,000 |
| Jan 22, 2024 | Completed final sign-off Feb 2025 | 572 Chestnut St | Apex America Gc Inc | construction of new 2nd level exterior decks at 9'-6" above ground floor.Details
construction of new 2nd level exterior decks at 9'-6" above ground floor. | $10,000 |
| Oct 19, 2023 | In progress issued Jan 2024 | 572 Chestnut St | Apex America Gc Inc | 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.Details
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. | $50,000 |
| Aug 31, 2023 | In progress issued Oct 2023 | 572 Chestnut St | Apex America Gc Inc | 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. voluntaryDetails
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 | $150,000 |