Darren Wong
- Listed as
- architect, engineer
- Firm
- Dwong Engineering Inc.
- Based in
- San Francisco
- On San Francisco permits
- Dec 2013 to May 2026
54 permits since 2000 (engineer on 52 permits, architect on 2 permits): 33 completed, 6 in progress, 4 never finaled, 11 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 |
|---|---|---|---|---|---|
| May 19, 2026 | In progress issued Jun 2026 | 63 Melrose Av | relocate the sinkd and refrigerator on the 1st flDetails
relocate the sinkd and refrigerator on the 1st fl | $5,000 | |
| Mar 25, 2026 | In progress issued Apr 2026 | 245 Richland Av | Jdesignbuild | 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.Details
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. | $250,000 |
| Mar 20, 2026 | In progress issued Mar 2026 | 1416 Powell St | Sincere Construction Company Inc | revision to pa# 201509157040: revise layout of accessible doors. install power door in the front door. ref 202409191213Details
revision to pa# 201509157040: revise layout of accessible doors. install power door in the front door. ref 202409191213 | $8,000 |
| Mar 16, 2026 | In progress issued Jun 2026 | 749 27th St | Devlin/Mcnally Construction | 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.Details
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. | $19,944 |
| Feb 13, 2026 | Completed final sign-off Sep 2026 | 2172 Pacific Av | Bai Construction | voluntary structural strengthening in the building.Details
voluntary structural strengthening in the building. | $120,000 |
| Oct 10, 2025 | Completed final sign-off Feb 2026 | 2627 33rd Av | H & Bo Construction Inc. | repair garage wall and add new beam.Details
repair garage wall and add new beam. | $8,000 |
| Feb 28, 2025 | Completed final sign-off Apr 2025 | 2027 22nd Av | Wong Construction Inc | revision to pa 202404301100 remove wood beamDetails
revision to pa 202404301100 remove wood beam | |
| Jun 25, 2024 | In progress issued Feb 2026 | 201 Holloway Av | tenant improvement: convert laundry shop into deli store.Details
tenant improvement: convert laundry shop into deli store. | $60,000 | |
| Jan 19, 2024 | Completed final sign-off Dec 2025 | 2277 33rd Av | Polytec Construction Company Inc | (1) interior renovation and conversion of existing senior care facility with 9 bedrooms and 3.5 bathrooms into a single-family home of 4 bedrooms and 4 bathrooms. (2) relocate interior staircase (3) extend garage at the ground floor to fit 2 cars tandem. (4) replace windows and interior doors,Details
(1) interior renovation and conversion of existing senior care facility with 9 bedrooms and 3.5 bathrooms into a single-family home of 4 bedrooms and 4 bathrooms. (2) relocate interior staircase (3) extend garage at the ground floor to fit 2 cars tandem. (4) replace windows and interior doors, | $150,000 |
| Jan 4, 2024 | Completed final sign-off May 2024 | 708 Bay St | Hbm Construction Inc | revision to pa 202209273256. revise shear walls.Details
revision to pa 202209273256. revise shear walls. | |
| Nov 3, 2023 | Completed final sign-off Nov 2023 | 848 Cole St | Baron Contracting | replace studs or sister and plywood shear wall in kind 40' north wall 6'east wall all in kind, total is approx 50' exterior siding to be replaced as necessary in-kind rear of buildingDetails
replace studs or sister and plywood shear wall in kind 40' north wall 6'east wall all in kind, total is approx 50' exterior siding to be replaced as necessary in-kind rear of building | $45,000 |
| Aug 2, 2023 | Expired or cancelled expired Aug 2025 | 564 Commercial St | Modern Construction Inc | base building upgrade to provide accessible entrance door, accessible bathroom, and add office kitchenetteDetails
base building upgrade to provide accessible entrance door, accessible bathroom, and add office kitchenette | $165,000 |
| May 12, 2023 | Completed final sign-off Dec 2023 | 1719 43rd Av | Wei Dang Builders Inc. | structural revision to permit 202302232495. keep the kitchen in the original location; add new footing due to relocation of post adjacent to stairwayDetails
structural revision to permit 202302232495. keep the kitchen in the original location; add new footing due to relocation of post adjacent to stairway | |
| Apr 28, 2023 | Completed final sign-off Sep 2024 | 1650 Polk St | Wong Construction Inc | revision to pa 2020-0121-2426 relocate plywood shear walls in the 1st flDetails
revision to pa 2020-0121-2426 relocate plywood shear walls in the 1st fl | |
| Feb 23, 2023 | Completed final sign-off Dec 2023 | 1719 43rd Av | Wei Dang Builders Inc. | relocate e kitchen & remove a structural wall, to add 2 bathrooms & a full bath @ 2nd flr, add new family rm, full bath & laundry area, relocate & replace w/h, replace e furnace to floor radiant heater, replace e slab on grade.Details
relocate e kitchen & remove a structural wall, to add 2 bathrooms & a full bath @ 2nd flr, add new family rm, full bath & laundry area, relocate & replace w/h, replace e furnace to floor radiant heater, replace e slab on grade. | $113,000 |
| Dec 23, 2022 | In progress issued Feb 2024 | 901 Pine St | Axel8 Construction | legalization of(e)unit @ 901 pine street,per ordinance 43-14(convert former commercial space into residential unit).reconfigure(e)unit to become a 860 sf 2-bedroom unit.(e)sprinkler system to be modified where impacted by new work;shall conform to nfpa 13 standards,under separate permit.Details
legalization of(e)unit @ 901 pine street,per ordinance 43-14(convert former commercial space into residential unit).reconfigure(e)unit to become a 860 sf 2-bedroom unit.(e)sprinkler system to be modified where impacted by new work;shall conform to nfpa 13 standards,under separate permit. | $60,000 |
| Dec 22, 2022 | Completed final sign-off Jan 2026 | 484 Guerrero St | Doherty Restoration, Inc. | renovate 1 guest room at ground floor, install full kitchen & reconfigure for 1-bedroom layout to become adu. convert 1-car garage into 1 adu (state program). adu to be a studio apartment. modifications to (e) sprinklers under separate permit. upgrade fire alarm under separate permit.Details
renovate 1 guest room at ground floor, install full kitchen & reconfigure for 1-bedroom layout to become adu. convert 1-car garage into 1 adu (state program). adu to be a studio apartment. modifications to (e) sprinklers under separate permit. upgrade fire alarm under separate permit. | $75,000 |
| Oct 31, 2022 | Completed final sign-off Apr 2024 | 679 Chenery St | Buzzer 9 Development Inc | new exterior stair at rear of property, convert roof at rear to habitable deck on 2nd floor, add guardrails around deck, replace window with door. add (1) new dormer to roof at chenery street side. minor modifications to rear exterior window frame materials.Details
new exterior stair at rear of property, convert roof at rear to habitable deck on 2nd floor, add guardrails around deck, replace window with door. add (1) new dormer to roof at chenery street side. minor modifications to rear exterior window frame materials. | $20,000 |
| Jul 8, 2022 | Completed final sign-off Aug 2022 | 3000 Baker St | Bai Construction | replace (e) beams ith new wood beam on the second floorDetails
replace (e) beams ith new wood beam on the second floor | $20,000 |
| Jun 28, 2022 | Expired or cancelled cancelled Jan 2026 | 2171 Pacific Av | Bai Construction | (e) 2 decks replace in-kind. update cost of construction. work previously completed.Details
(e) 2 decks replace in-kind. update cost of construction. work previously completed. | $61,800 |
| Jun 16, 2022 | Completed final sign-off Mar 2026 | 25 Bruce Av | Gee Zhang Construction Inc | excavation @ ground flr - 1st floor remodel, convert crawl space into living space, with 767 sq.st. one family room and one media room. new retaining wall at the rear of the property. (e) building envelop will be changed.Details
excavation @ ground flr - 1st floor remodel, convert crawl space into living space, with 767 sq.st. one family room and one media room. new retaining wall at the rear of the property. (e) building envelop will be changed. | $150,000 |
| May 4, 2022 | Completed final sign-off Apr 2024 | 679 Chenery St | Buzzer 9 Development Inc | interior remodel to existing mixed use building. minor exterior improvements to include window and siding replacment. add dormer. 1/f ti under separate permitDetails
interior remodel to existing mixed use building. minor exterior improvements to include window and siding replacment. add dormer. 1/f ti under separate permit | $50,000 |
| Apr 15, 2022 | Never finaled filed Apr 2022, never issued | 155 Harold Av | main floor remodel of (e) kitchen, living room, bedroom, master bedroom and 2 bathrooms. infill (e) lightwell. relocate exterior staris.Details
main floor remodel of (e) kitchen, living room, bedroom, master bedroom and 2 bathrooms. infill (e) lightwell. relocate exterior staris. | $50,000 | |
| Apr 1, 2022 | Completed final sign-off Sep 2023 | 75 Corona St | Wing On Construction Inc | basement convert to office & game room, (1) bathroom. 1st fl convert (1) bathroom into (1.5) bathrooms.Details
basement convert to office & game room, (1) bathroom. 1st fl convert (1) bathroom into (1.5) bathrooms. | $40,000 |
| Mar 17, 2021 | Never finaled filed Mar 2021, never issued | 765 Ofarrell St | to comply with nov # 202173257. replace existing retaining wall with new concrete retaining wall.Details
to comply with nov # 202173257. replace existing retaining wall with new concrete retaining wall. | $20,000 | |
| Feb 16, 2021 | Expired or cancelled expired May 2025 | 1324 Pacific Av | Yu Kwan Construction Co. | remove and add new interior walls inthe basement level, and replace light well joist in the first floor.Details
remove and add new interior walls inthe basement level, and replace light well joist in the first floor. | $20,000 |
| Feb 8, 2021 | Expired or cancelled expired Nov 2025 | 322 30th Av | Chiang C M Construction Inc. | revision to pa# 201611042016. relocate moment frame and shear walls.Details
revision to pa# 201611042016. relocate moment frame and shear walls. | |
| Jan 21, 2021 | Expired or cancelled cancelled Nov 2024 | 1908 Lake St | voluntary structural strengthening in the building.Details
voluntary structural strengthening in the building. | $60,000 | |
| Dec 2, 2020 | Expired or cancelled cancelled Jan 2026 | 1836 Mcallister St | revision to pa# 201708255953. soft story retrofit per sfebc chapter 4d engineering criteria 2016 cebc appendix a-4.Details
revision to pa# 201708255953. soft story retrofit per sfebc chapter 4d engineering criteria 2016 cebc appendix a-4. | $100,000 | |
| Nov 5, 2020 | Completed final sign-off Jul 2023 | 1600 Clement St | revision to pa# 202010096254 to submit plans requested by dbi under nov#202037031.Details
revision to pa# 202010096254 to submit plans requested by dbi under nov#202037031. | ||
| Oct 7, 2020 | Expired or cancelled cancelled Jan 2026 | 315 Hyde St | vif: eeroDetails
vif: eero | $30,000 | |
| Sep 15, 2020 | Completed final sign-off Feb 2021 | 701 24th Av | Sincere Construction Company Inc | seismic retrofit of soft story comply with sfebc 4d mandatory seismic retrofit per 2019 cebc appendex a4Details
seismic retrofit of soft story comply with sfebc 4d mandatory seismic retrofit per 2019 cebc appendex a4 | $70,000 |
| Aug 8, 2020 | Expired or cancelled cancelled Nov 2024 | 936 Scott St | adding (2) units @ groug flr per ord# 162-16. convert (e) garage into new units within (e) envelope. four new bedrooms, three new bathrms, two new dishwashers, four new washer/dryers. new windows facing the street.sprinkler work per nfpa and fire alaram work under nfpa 72 under separate permit.Details
adding (2) units @ groug flr per ord# 162-16. convert (e) garage into new units within (e) envelope. four new bedrooms, three new bathrms, two new dishwashers, four new washer/dryers. new windows facing the street.sprinkler work per nfpa and fire alaram work under nfpa 72 under separate permit. | $200,000 | |
| Jan 9, 2020 | Expired or cancelled withdrawn Mar 2021 | 1263 11th Av | seismic retrofit of soft story. comply with sfebc 4d mandatory seismic retrofit per 2016 cebc appendix a4. revision to pa# 2017-0523-7438Details
seismic retrofit of soft story. comply with sfebc 4d mandatory seismic retrofit per 2016 cebc appendix a4. revision to pa# 2017-0523-7438 | ||
| Aug 30, 2019 | Expired or cancelled cancelled Jan 2026 | 518 Noe St | seismic retrofit of soft story comply w/ sfebc 4d mandatory seismic retrofit per 2016 cebc appendixDetails
seismic retrofit of soft story comply w/ sfebc 4d mandatory seismic retrofit per 2016 cebc appendix | $90,000 | |
| Jul 27, 2018 | Completed final sign-off Sep 2020 | 2710 Baker St | De Brus Construction Inc | seismic retrofit soft story comply with sfebc 4d mandatory seismic retrofit per 2016 cebc app a4Details
seismic retrofit soft story comply with sfebc 4d mandatory seismic retrofit per 2016 cebc app a4 | $80,000 |
| Apr 26, 2017 | Completed final sign-off Sep 2021 | 2400 17th Av | Wong Construction Inc | soft story retrofit: to compoy with sfebc 4d mandtory seismic retrofit per 2016 cebc appendez a-4.Details
soft story retrofit: to compoy with sfebc 4d mandtory seismic retrofit per 2016 cebc appendez a-4. | $110,000 |
| Oct 17, 2016 | Expired or cancelled cancelled Jul 2026 | 235 Holyoke St | Hong's General Construction Inc | comply with the planning enforcement #2023-007589enf & complaint 20242611. legalize infilled of one internal stair. legalize (e) 1st floor bathrooms. convert (e) accessory kitchen to new nook on the 2nd floor.Details
comply with the planning enforcement #2023-007589enf & complaint 20242611. legalize infilled of one internal stair. legalize (e) 1st floor bathrooms. convert (e) accessory kitchen to new nook on the 2nd floor. | $150,000 |
| Apr 22, 2016 | Completed final sign-off Mar 2017 | 1941 Webster St | Metzler Brothers General Contractors Inc | replace concrete footing in the garage level. add new half bath at the storage area & lower slab approx. 6".Details
replace concrete footing in the garage level. add new half bath at the storage area & lower slab approx. 6". | $20,000 |
| Feb 20, 2015 | Completed final sign-off Oct 2015 | 1142 Jackson St | install new concrete retaining wall in rear yard. n/a ordinance #155-13Details
install new concrete retaining wall in rear yard. n/a ordinance #155-13 | $12,000 | |
| Feb 20, 2015 | Completed final sign-off Dec 2015 | 76 Burlwood Dr | Frank De Niro Construction | install floor joists @ the ground floor level.Details
install floor joists @ the ground floor level. | $8,000 |
| Feb 20, 2015 | Completed final sign-off Jun 2017 | 1565 Oak St | Sincere Construction Company Inc | soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4Details
soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4 | $68,000 |
| Jan 26, 2015 | Completed final sign-off Jun 2015 | 1360 Washington St | Sincere Construction Company Inc | soft story retrofit per sfbc chapter 34b,2012 iebc appendix a-4Details
soft story retrofit per sfbc chapter 34b,2012 iebc appendix a-4 | $55,000 |
| Nov 14, 2014 | Completed final sign-off Jun 2015 | 1270 California St | Sincere Construction Company Inc | soft story retrofit sfbc 3413 iebc a4Details
soft story retrofit sfbc 3413 iebc a4 | $55,000 |
| Oct 28, 2014 | Completed final sign-off Jun 2015 | 237 Steiner St | Sincere Construction Company Inc | soft story retrofit sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4. n/a ordinance #155-13Details
soft story retrofit sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4. n/a ordinance #155-13 | $60,000 |
| Oct 28, 2014 | Completed final sign-off Dec 2015 | 1025 Stanyan St | Sincere Construction Company Inc | soft story retrofit sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4Details
soft story retrofit sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4 | $60,000 |
| Aug 1, 2014 | Completed final sign-off May 2016 | 2233 Larkin St | Sincere Construction Company Inc | soft story retrofit per sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4. seismic retrofit of soft story at basement only. comply with sfbc 34b manatory seismic retrofit iebc a-4Details
soft story retrofit per sfbc chapter 34b engineering criteria, 2012 iebc appendix a-4. seismic retrofit of soft story at basement only. comply with sfbc 34b manatory seismic retrofit iebc a-4 | $65,000 |
| Jun 13, 2014 | Never finaled issued Jun 2014, no final | 53 28th St | Kenneth Sutton Hayes | install windows at the rear, interior doors and remove a portion of an existing wall.Details
install windows at the rear, interior doors and remove a portion of an existing wall. | $9,000 |
| Apr 30, 2014 | Completed final sign-off Sep 2015 | 1424 Ulloa St | Aidan Mc Cracken Const Inc. | plywood sheathing, anchor bolt in the garage. relocate interior walls, new window frame and replace existing window frames on the second floor.Details
plywood sheathing, anchor bolt in the garage. relocate interior walls, new window frame and replace existing window frames on the second floor. | $19,000 |
| Apr 30, 2014 | Completed final sign-off Oct 2014 | 1451 07th Av | Sincere Construction Company Inc | seismic retrofit of soft story building per sfbc 34b a-4, icbc 2012Details
seismic retrofit of soft story building per sfbc 34b a-4, icbc 2012 | $46,000 |
| Mar 25, 2014 | Completed final sign-off Sep 2015 | 4925 Anza St | Sincere Construction Company Inc | seismic retrofit of soft story per sfbc 34b, 2012 iebc appendix a-4.Details
seismic retrofit of soft story per sfbc 34b, 2012 iebc appendix a-4. | $35,000 |
| Feb 24, 2014 | Never finaled issued Feb 2014, no final | 751 Duncan St | Bryan Michelsen Construction | remove walls in living room and install wood beams & post. in addition, remodel the kitchen.Details
remove walls in living room and install wood beams & post. in addition, remodel the kitchen. | $12,000 |
| Feb 24, 2014 | Completed final sign-off Apr 2014 | 801 Jackson St | Sincere Construction Company Inc | replace broken window glasses in front of the store. replace in-kind, clear glass, in existing frame.Details
replace broken window glasses in front of the store. replace in-kind, clear glass, in existing frame. | $12,000 |
| Dec 24, 2013 | Completed final sign-off Feb 2014 | 500 Burrows St | Sincere Construction Company Inc | install a metal gate in the back yard.Details
install a metal gate in the back yard. | $1,000 |