Weihong Yang
Engineer · W.H.Yang Structural Engr · Mountain View
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-5347First issued Jan 14, 2010, expires Jun 30, 2028.
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?
- 22 permits since 2010, 22 in the last 5 years. Latest filed Mar 14, 2025.
- What kind of projects?
- Seismic retrofit or foundation 8 · Home remodel 6 · Addition 4
- 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.
Seismic retrofit or foundation: 8 permits in San Francisco
Time to get a permit
Median from filing to permit, from 6 issued permits filed since 1966.
Where
- South of Market3
- Sunset/Parkside1
- Twin Peaks1
- Oceanview/Merced/Ingleside1
Most recent
- 1318 31st AvPartial of basement footing repairMar 14, 2025Withdrawn
- 1068 Howard StRplace the basement retaining wall & slab, foundation entirly, relocation laundry room fron 2nd fl to 3rd fl, add new garbage room in 1st floor.Jul 26, 2019Cancelled
- 30 Corwin StSoft story retrofit per sfebc chapter 4d engineering criteria asce 41-13 install 4 steel moment frames at garage opening to strength soft storyMar 29, 2019Complete
- 1068 Howard St #0Residential soft story retrofit per 2016 sfebc asce 41-13. add steel moment frames & shearwalls @grnd lvl basement to seismically strengthen bldg to meet tier 4 mandatory soft story program. commercial pa #201810153231. maher naOct 15, 2018Expired
- 1068 Howard St #0Commercial soft story retrofit per sfebc chap 4d asce 41-13. add steel moment frames & shearwalls @grnd lvl basement to seismically strengthen bldg to meet tier 4 mandatory soft story program. residential pa #201810153230. maher naOct 15, 2018Expired
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Aug 1, 2025 | 1219 Fitzgerald Av Revision to pa#2023-0605-9257; on site footing detail revision Complete | Revision or supplement | Complete | 6 months | |
| Mar 14, 2025 | 1318 31st Av Partial of basement footing repair Withdrawn | Seismic retrofit or foundation | Withdrawn | — | |
| Dec 13, 2024 | 2627 Turk Bl Enclosure of a center atrium space and incorporation of that space into a kitchen renovation. remodel 3 bathrooms, relocation of laundry w/d. replacement of 4 street facing windows in kind. replacement of 10 rear facing windows in kind. replacement of 3 (e) skylights. add 2 skylights in kitchen Complete | Home remodel | Complete | Within 1 month | |
| Oct 27, 2023 | 370 Edinburgh St Replace rear landing and exterior stair to yard. Complete | Deck, stairs or patio cover | Complete | Within 1 month | |
| Feb 23, 2021 | 2440 Mariposa St #0 Change of use from office to cannibis dispensary. interior fitout. alterations of existing space. reconfigurate plumbing, mechanical & electrical. Withdrawn | Commercial or tenant improvement | Withdrawn | — | |
| Sep 24, 2020 | 1925 Anza St Rev to pa201911227986: (e) skylight in (e) floor plan to remain in scope of work. Issued | Revision or supplement | Issued | Within 1 month | |
| Sep 21, 2020 | 30 Corwin St #0 Revision to #2019-0329-6638. revise foundation details according to existing conditions; revise shear transfer details according to existing condtions; revise out of plan bracing details for steel frames according to existing conditions. Complete | Revision or supplement | Complete | 3 months | |
| May 14, 2020 | 556 Waller St Revision to pa 201709158557. revise foundation details Issued | Revision or supplement | Issued | 3 months | |
| May 12, 2020 | 354 Moultrie St Remodeling of (e) kitchen, enclose portion of light well at 2/f to enlarge and convert (e) 1/2 bathroom to full bathroom, convert breakfast room and study into office. Complete | Home remodel | Complete | 3 months | |
| Nov 22, 2019 | 1925 Anza St Replace (e) rear flat roof w/ sloped roof to closely match original roof. reroof (n) sloped roof w/ comp shingles to closely match (e). replace (e) gutters w/ aluminum seamless gutters ties into (e) drain pipes. Issued | Other | Issued | 9 months | |
| Oct 25, 2019 | 760 Darien Wy Revision to 2019-0619-3861 structural work due to substandard condidions Complete | Revision or supplement | Complete | Within 1 month | |
| Jul 26, 2019 | 1068 Howard St Rplace the basement retaining wall & slab, foundation entirly, relocation laundry room fron 2nd fl to 3rd fl, add new garbage room in 1st floor. Cancelled | Seismic retrofit or foundation | Cancelled | — | |
| Mar 29, 2019 | 30 Corwin St Soft story retrofit per sfebc chapter 4d engineering criteria asce 41-13 install 4 steel moment frames at garage opening to strength soft story Complete | Seismic retrofit or foundation | Complete | 10 months | |
| Oct 15, 2018 | 1068 Howard St #0 Residential soft story retrofit per 2016 sfebc asce 41-13. add steel moment frames & shearwalls @grnd lvl basement to seismically strengthen bldg to meet tier 4 mandatory soft story program. commercial pa #201810153231. maher na Expired | Seismic retrofit or foundation | Expired | 50 months | |
| Oct 15, 2018 | 1068 Howard St #0 Commercial soft story retrofit per sfebc chap 4d asce 41-13. add steel moment frames & shearwalls @grnd lvl basement to seismically strengthen bldg to meet tier 4 mandatory soft story program. residential pa #201810153230. maher na Expired | Seismic retrofit or foundation | Expired | 50 months | |
| Sep 19, 2018 | 121 Chilton Av Rev to pa201705237389: structural drawings for location of shear wall changes due to openings. Complete | Revision or supplement | Complete | Within 1 month | |
| Aug 14, 2018 | 2643 31st Av Add 849sf on top of (e) roof & convert (e) 2-story into a 3-story bldg. add 266.7sf roof top deck in the front. add 75 sf cantilever balcony at the back. Complete | Addition | Complete | 33 months | |
| Jun 27, 2018 | 435 Potrero Av Add new staircase to 2nd flr. add 2 new accessible bathrooms at 1st flr and 2 new accessbile bathrooms at 2nd flr. add 1 electrical room at 1st for and 1 electrical room at 2nd flr. Issued | Commercial or tenant improvement | Issued | 2 months | |
| Jul 5, 2017 | 66 Geneva Av Revise structural details due to existing conditions discovered after demolition for pa #201705085927. Issued | Revision or supplement | Issued | Within 1 month | |
| May 23, 2017 | 121 Chilton Av Dig down basement to add 1 bedrooms & 1 bath. replace stair & elec wiring. patio in backyard. replacing 3 skylights. excavate = 23.1 yard. no work visible from street. Complete | Home remodelType unconfirmed | Complete | 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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