Calvin Yu
- Listed as
- engineer
- Firm
- Simple Engineering Llp
- Based in
- Union City
- On San Francisco permits
- Apr 2012 to Jun 2023
16 permits since 2000 (engineer on 16 permits): 8 completed, 1 never finaled, 7 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 |
|---|---|---|---|---|---|
| Jun 5, 2023 | Expired or cancelled cancelled Aug 2023 | 1845 Lincoln Wy | K A Lau Construction | commencement of not started under previously approved permit 201709158495 for mandatory soft tory retrofit per sfbc ch34b. 2012 iebc appendix a4.Details
commencement of not started under previously approved permit 201709158495 for mandatory soft tory retrofit per sfbc ch34b. 2012 iebc appendix a4. | $85,000 |
| Apr 29, 2021 | Never finaled filed Apr 2021, never issued | 2590 Sacramento St | Seanly Construction | gravity support strengthening at the first story garage openings previous soft story retrofit permit 2017-0825-5935 for referenceDetails
gravity support strengthening at the first story garage openings previous soft story retrofit permit 2017-0825-5935 for reference | $20,000 |
| Aug 30, 2019 | Completed final sign-off Dec 2023 | 901 Vallejo St | K A Lau Construction | soft story retrofit per sfebc ch. 4d. 2016 iebc appendix a-4 to comply w/ nov# 201713503 ces.Details
soft story retrofit per sfebc ch. 4d. 2016 iebc appendix a-4 to comply w/ nov# 201713503 ces. | $80,000 |
| Sep 15, 2017 | Completed final sign-off Jul 2020 | 3101 Laguna St | K A Lau Construction | soft story retrofit per sfbc chapter 34b 2012 iebc appendix a4Details
soft story retrofit per sfbc chapter 34b 2012 iebc appendix a4 | $75,000 |
| Sep 15, 2017 | Expired or cancelled expired Apr 2024 | 1845 Lincoln Wy | K A Lau Construction | soft story retrofit per sfbc ch 34b 2012 iebc appendix a4Details
soft story retrofit per sfbc ch 34b 2012 iebc appendix a4 | $75,000 |
| Sep 15, 2017 | Completed final sign-off Aug 2024 | 233 Dolores St | K A Lau Construction, W S K Construction | soft story retrofit per sfbc chapter 34b 2012 iebc appendix a4Details
soft story retrofit per sfbc chapter 34b 2012 iebc appendix a4 | $50,000 |
| Aug 25, 2017 | Completed final sign-off Apr 2019 | 930 Pacific Av | Associated Builders | soft story retrofit per sfbc ch 34b; 2012 iebc appendix a-4.Details
soft story retrofit per sfbc ch 34b; 2012 iebc appendix a-4. | $75,000 |
| Aug 25, 2017 | Expired or cancelled expired Mar 2024 | 2590 Sacramento St | Seanly Construction | soft story retrofit per sfbc ch 34b; 2012 iebc appendix a-4.Details
soft story retrofit per sfbc ch 34b; 2012 iebc appendix a-4. | $100,000 |
| Mar 13, 2017 | Expired or cancelled withdrawn Aug 2019 | 2171 Sacramento St | soft story seismic retrofit per sfbc chapter 34b, 2012 iebc appendix a-4.Details
soft story seismic retrofit per sfbc chapter 34b, 2012 iebc appendix a-4. | $80,000 | |
| Dec 9, 2016 | Completed final sign-off Sep 2018 | 2856 Scott St | soft story seismic retrofit (per 2012 iebc appendix a4). ** maher: n/a **Details
soft story seismic retrofit (per 2012 iebc appendix a4). ** maher: n/a ** | $100,000 | |
| Sep 12, 2016 | Completed final sign-off Jun 2024 | 1010 Hyde St | soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4 (residential)Details
soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4 (residential) | $120,000 | |
| Sep 12, 2016 | Completed final sign-off Jun 2024 | 1000 Hyde St | soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4 (commercial)Details
soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4 (commercial) | $35,000 | |
| Apr 6, 2016 | Expired or cancelled cancelled Jan 2026 | 2331 40th Av | convert ground floor to living area: bedroom, bathroom & storage, deck addition @ rearDetails
convert ground floor to living area: bedroom, bathroom & storage, deck addition @ rear | $100,000 | |
| May 8, 2015 | Expired or cancelled cancelled Aug 2021 | 1180 Jackson St | soft story seismic retrofit 2012 iebc appendix a-4 n/a for the maher.Details
soft story seismic retrofit 2012 iebc appendix a-4 n/a for the maher. | $80,000 | |
| Dec 3, 2014 | Expired or cancelled cancelled Aug 2021 | 144 Brussels St | vertical addition. 3rd level addition & 2nd floor remodeling to a single family residence. interior painting, refinishing floors.Details
vertical addition. 3rd level addition & 2nd floor remodeling to a single family residence. interior painting, refinishing floors. | $80,000 | |
| Apr 26, 2012 | Completed final sign-off Oct 2012 | 47 Gorham St | C P County Construction Inc | bathroom remodel on 2nd floor - switch toilet location to sink location.Details
bathroom remodel on 2nd floor - switch toilet location to sink location. | $8,900 |