William Wei-Qiang Liang
Engineer · William Liang · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-5157First issued Jan 25, 2008, 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?
- 149 permits since 2009, 149 in the last 5 years. Latest filed Oct 23, 2026.
- What kind of projects?
- Home remodel 75 · Legalize or fix a violation 18 · Addition 15
- 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: 75 permits in San Francisco
Time to get a permit
Median from filing to permit, from 71 issued permits filed since 1966; 3 still in review. City is the San Francisco median for the same kind of review, from 24,421 permits.
Where
- Sunset/Parkside21
- Outer Richmond10
- West of Twin Peaks9
- Excelsior4
Most recent
- 1059 Montgomery StWork at 2nd floor unit only: reconfigure and remodel kitchen & full bath; replace window at kitchen and full bath; convert dining room to office; reconfigure living room by removing study room; lower raised floor in study room.Oct 23, 2026Filed
- 1523 22nd Av2nd flr: replace 3 windows in e. frame, all non-street facing. ground flr: reconfigure existing living space to include family room, kitchenette with 2 burner cooktop (no oven), bedroom, & full bath. replace horizontal siding finish with stucco at walls facing backyard. replace furnace/water htrSep 4, 2026Filed
- 135 Clearfield Dr2/f: reconfigure and remodel kitchen & master bath. g/f: add kitchenette with 2-burner cooktop (no oven) to (e) family room; convert bedroom to master bath.Aug 28, 2026Issued
- 8 Inverness DrG/f only: add laundry room. at (e) family room - add kitchenette with 2 burner cooktop and replace sliding door in (e) frame. at (e) exercise room - replace window in (e) frame, remodel full bathroom with addition of window and conversion of tub to shower.Jun 5, 2026Issued
- 221 Magellan AvKitchen relocation and remodeling. add 1 new bath. propose 1 new electrical fireplace like for like. replace all windows. replace furnace and water heater.Jan 30, 2026Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 27, 2026 | 250 Arleta Av Rev 202512292888: 1 bed at rear, not 2.door added between porch infill & entry. add sink at prime bath.beds with eero wdws to face street,living/dining/kitchen to face rear yard & new deck. new extr stair at p|l from deck to grade.new deck detail.read siding surfaces to be hardie horz.no cmt plstr. Filed | Revision or supplementType unconfirmed | Filed | — | |
| Oct 23, 2026 | 1059 Montgomery St Work at 2nd floor unit only: reconfigure and remodel kitchen & full bath; replace window at kitchen and full bath; convert dining room to office; reconfigure living room by removing study room; lower raised floor in study room. Filed | Home remodel | Filed | — | |
| Oct 23, 2026 | 2927 Larkin St #0 Demolish existing damaged rear stairs and rebuild in kind. Filed | Deck, stairs or patio cover | Filed | — | |
| Sep 16, 2026 | 2921 Wawona St To comply with nov. 202183704 - demolish unpermitted roof cover rear roof deck. remove and replace rear roof deck tile finishes. remove and replace rear wall siding above roof deck. Filed | Legalize or fix a violation | Filed | — | |
| Sep 4, 2026 | 1523 22nd Av 2nd flr: replace 3 windows in e. frame, all non-street facing. ground flr: reconfigure existing living space to include family room, kitchenette with 2 burner cooktop (no oven), bedroom, & full bath. replace horizontal siding finish with stucco at walls facing backyard. replace furnace/water htr Filed | Home remodel | Filed | — | |
| Aug 29, 2026 | 45 Saturn St Interior remodeling including the creation of new habitable, conditioned space,minor changes to exterior Filed | Addition | Filed | — | |
| Aug 28, 2026 | 135 Clearfield Dr 2/f: reconfigure and remodel kitchen & master bath. g/f: add kitchenette with 2-burner cooktop (no oven) to (e) family room; convert bedroom to master bath. Issued | Home remodel | Issued | 2 months | |
| Jul 10, 2026 | 611 40th Av Revision to 202511260478. reconfigure layout of family room, kitchenette, excercise area and full bath. relocate laundry set-up garage. relocate tankless water heater. at 2nd flr, replace (2) windoes and (1) sliding door, all facing backyard. Issued | Revision or supplement | Issued | Within 1 month | |
| Jun 17, 2026 | 175 18th Av Demolish unpermitted rear deck & stairs and rebuild 3rd floor deck and stairs to rear yard conforming to current code Complete | Deck, stairs or patio coverType unconfirmed | Complete | Within 1 month | |
| Jun 5, 2026 | 8 Inverness Dr G/f only: add laundry room. at (e) family room - add kitchenette with 2 burner cooktop and replace sliding door in (e) frame. at (e) exercise room - replace window in (e) frame, remodel full bathroom with addition of window and conversion of tub to shower. Issued | Home remodel | Issued | Within 1 month | |
| Jan 30, 2026 | 221 Magellan Av Kitchen relocation and remodeling. add 1 new bath. propose 1 new electrical fireplace like for like. replace all windows. replace furnace and water heater. Complete | Home remodel | Complete | Within 1 month | |
| Jan 27, 2026 | 1118 Geneva Av Revision to pa# 2025-1107-9151: 2nd fl. convert living room to bed room; remove cement plaster ceiling and walls to facilliate installation of insulation then install gypsum board finish. replace front facing fixed window casement in (e) frame. Complete | Revision or supplement | Complete | Within 1 month | |
| Jan 12, 2026 | 250 Arleta Av New 1-story addition at rear with 2-bedrooms and roof deck to (e) sfr. Issued | Addition | Issued | 6 months | |
| Nov 26, 2025 | 611 40th Av 2nd fl - shift interior stair toward the front of bldg; remove stairs in lightwell; reconstruct balcony in sunroom. ground fl - infill open space below (e) sunroom to create indoor plant add family room w/kitchenette (2 burner), full bath, exercise room & laundry area; add detached gazebo with ofuro Reinstated | AdditionType unconfirmed | Reinstated | 4 months | |
| Nov 14, 2025 | 724 Avalon Av To comply with nov 202545134 construct concrete retaining wall in backyard - max raise elevation 3 feet - no more Complete | Legalize or fix a violationType unconfirmed | Complete | Within 1 month | |
| Nov 7, 2025 | 1118 Geneva Av 2nd fl - remove wall between kitchen & dining om, add (1) skylight in kitchen; ground fl - add media room with kitchenette (2 burner), (2) bedrooms & (1) full bath behind 1 car garage Complete | Home remodelType unconfirmed | Complete | Within 1 month | |
| Nov 4, 2025 | 480 Vienna St Revision to 202509195676. roof, strenthen roof framing. 3rd fl: rebuild interior stud walls for bathroom and closets, replace window in bath, strenthen ceiling framing in bath. gr fl: perform voluntary plywood trengthening in garage Complete | Revision or supplement | Complete | Within 1 month | |
| Oct 14, 2025 | 1394 Alabama St 2/f: kitchen remodel and relocate. bathroom remodel and add one bathroom. add a skylight. Complete | Home remodel | Complete | 1 month | |
| Sep 30, 2025 | 386 Capistrano Av Add two skylights to the plan. revision to pa: 202503142264. to comply with 202537411 Complete | Revision or supplement | Complete | Within 1 month | |
| Sep 19, 2025 | 480 Vienna St Demo deteriorated front exterior staircase & rebuild in same configuration; replace garage door in-kind; add header beam above garage door opening; infill (4) windows not visible from street; add operable skylight in kitchen; rebuild entry porch ceiling framing Complete | Deck, stairs or patio cover | 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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