Yanxian Chen
Engineer · South San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-94212First issued Aug 12, 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?
- 3 permits since 2023, 3 in the last 5 years. Latest filed Jun 12, 2025.
- What kind of projects?
- Home remodel 2 · Legalize or fix a violation 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
- Outer Richmond2
Most recent
- 353 14th Av1/f interior remodel: dig down sunroom/raise up garage area to match (e) storage room ceiling height (7'6") @ 1/f. adding a new stairway to 2/f, adding 2 new full baths; 1/f study room: relocate entry from yard, adding retaining wall for stairway to yard, 4/f: adding a new roof deck.Jan 17, 2024Issued
- 353 14th Av2nd floor interior remodel: remodel kitchen and bathrooms. adding a new sink at extg 1/2 bath. adding a new window at family room not facing to street. 3rd floor interior remodel: remodel kitchen and bathrooms: adding a nw window at family room not facing to street. 4th flr interior remodel:Dec 21, 2023Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Jun 12, 2025 | 1255 35th Av Comply w/ complaint# 202535250: add 2 range stove on first floor per plan. Complete | Legalize or fix a violation | Complete | Within 1 month | |
| Jun 12, 2025 | 419 21st Av Revision to pa# 202503192576: add footing at office room per plan for unit # 419 Complete | Revision or supplement | Complete | Within 1 month | |
| Aug 13, 2024 | 353 14th Av Revision to the approved permits# 202312212966 and 20241174091: replace (e) water heater to tankiless water heater. adding heat pump at roof. lower ground floor slab. add (2) skylights. Issued | Revision or supplement | Issued | 1 month | |
| Jan 17, 2024 | 353 14th Av 1/f interior remodel: dig down sunroom/raise up garage area to match (e) storage room ceiling height (7'6") @ 1/f. adding a new stairway to 2/f, adding 2 new full baths; 1/f study room: relocate entry from yard, adding retaining wall for stairway to yard, 4/f: adding a new roof deck. Issued | Home remodelType unconfirmed | Issued | Within 1 month | |
| Dec 21, 2023 | 353 14th Av 2nd floor interior remodel: remodel kitchen and bathrooms. adding a new sink at extg 1/2 bath. adding a new window at family room not facing to street. 3rd floor interior remodel: remodel kitchen and bathrooms: adding a nw window at family room not facing to street. 4th flr interior remodel: Issued | Home remodel | Issued | Within 1 month | |
| May 8, 2023 | 240 Darien Wy Revision to permit 202302031386. add retaining wall per plan. replace garage slab. replace sheetrock on 2/f. remove powder room on 2/f. add a bar sink at family room. add a window in bathroom on 2/f. Complete | Revision or supplement | 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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