Yu Yan
- Listed as
- architect, engineer
- Firm
- Zenith Engineers Inc
- Based in
- Hayward
- On San Francisco permits
- Jul 2020 to Jul 2026
11 permits since 2000 (engineer on 10 permits, architect on 1 permit): 7 completed, 1 in progress, 1 never finaled, 2 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 |
|---|---|---|---|---|---|
| Jul 21, 2026 | In progress issued Jul 2026 | 2201 12th Av | revision to 202106283357 to modify mudroom walls and add beamDetails
revision to 202106283357 to modify mudroom walls and add beam | $5,000 | |
| May 25, 2022 | Completed final sign-off Jul 2023 | 874 Fell St | front building soft story foundation work to comply with city requirements cebc appendix a4. to comply with nov 201990001Details
front building soft story foundation work to comply with city requirements cebc appendix a4. to comply with nov 201990001 | $20,000 | |
| Dec 13, 2021 | Completed final sign-off Oct 2023 | 3580 17th St | Winwin Construction Inc | remodel unit 3584. add 656 sq. ft. addition in the basement of unit 3586. repair siding in kind. replace windows in kind. 12 front windows. replace front wood doors with wood doors with smaller windows.Details
remodel unit 3584. add 656 sq. ft. addition in the basement of unit 3586. repair siding in kind. replace windows in kind. 12 front windows. replace front wood doors with wood doors with smaller windows. | $50,000 |
| Jul 29, 2021 | Completed final sign-off Dec 2024 | 2130 Oakdale Av | Don Rene Alvarado General Construction | to propose 2674sf growing room w/ interior partition wall in the main floor. adding 1426sf mezzanine for 1301sf growing room and storage in (e) mezzanine w/ associated mep work in (e) horticultural warehouse.Details
to propose 2674sf growing room w/ interior partition wall in the main floor. adding 1426sf mezzanine for 1301sf growing room and storage in (e) mezzanine w/ associated mep work in (e) horticultural warehouse. | $140,000 |
| Nov 24, 2020 | Completed final sign-off May 2024 | 1915 Palou Av | Bybon Construction | apply for a ground floor adu. 3 bedrooms, 2 bathroom, kitchen, dining and living, laundry, relocate furnace and water heater.Details
apply for a ground floor adu. 3 bedrooms, 2 bathroom, kitchen, dining and living, laundry, relocate furnace and water heater. | $110,000 |
| Oct 21, 2020 | Completed final sign-off Aug 2021 | 91 Warren Dr | Winwin Construction Inc | convert 702 sf existing storage to living space at 1st floor by extending 1st floor align w/ existing 2nd floor wall. 1st fl conditional space convert to 2 bedrooms, 1 bath, 1 family rm.Details
convert 702 sf existing storage to living space at 1st floor by extending 1st floor align w/ existing 2nd floor wall. 1st fl conditional space convert to 2 bedrooms, 1 bath, 1 family rm. | $50,000 |
| Oct 19, 2020 | Expired or cancelled expired Jun 2022 | 176 Carl St | Winwin Construction Inc | interior remodel, structural upgrades, convert 955 (e) storage to living space in basement, replace windows, rerofoing, repair damaged siding. reference complaint # 2020059346.Details
interior remodel, structural upgrades, convert 955 (e) storage to living space in basement, replace windows, rerofoing, repair damaged siding. reference complaint # 2020059346. | $150,000 |
| Oct 2, 2020 | Completed final sign-off Jan 2021 | 247 El Camino Del Mar | Cornerstone Dba Ag Construction | replace (e) floating roof deck and railing with t-rex boards & railing.Details
replace (e) floating roof deck and railing with t-rex boards & railing. | $15,000 |
| Sep 24, 2020 | Expired or cancelled withdrawn Feb 2021 | 2135 Vallejo St | Fine By Design Inc | horizontal addition. existing kitchen to be replaced with new. existing (2) bathrooms to be replaced with new.Details
horizontal addition. existing kitchen to be replaced with new. existing (2) bathrooms to be replaced with new. | $150,000 |
| Aug 12, 2020 | Never finaled issued May 2021, no final | 2201 12th Av | Ecostep Inc | revision to issued permit #201912189860, this revision adds foundation work (voluntary underpinning). new structural engineer has provided a separate set showing the demolition, excavation and new footings for this revision.Details
revision to issued permit #201912189860, this revision adds foundation work (voluntary underpinning). new structural engineer has provided a separate set showing the demolition, excavation and new footings for this revision. | $131,340 |
| Jul 14, 2020 | Completed final sign-off May 2024 | 1915 Palou Av | Bybon Construction | 2/f: renovation to including add 2 full bathrooms, reconfigure 1 (e) bathroom, remodel (e) kitchen & laundry room.Details
2/f: renovation to including add 2 full bathrooms, reconfigure 1 (e) bathroom, remodel (e) kitchen & laundry room. | $85,000 |