Derek Chau
- Listed as
- architect, engineer
- On San Francisco permits
- May 2005 to Sep 2026
9 permits since 2000 (engineer on 7 permits, architect on 2 permits): 7 completed, 1 in progress, 1 never finaled.
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 |
|---|---|---|---|---|---|
| Sep 14, 2026 | In progress issued Oct 2026 | 1644 Ocean Av | Matt Enterprise Inc | tenant improvement, locate and upgrade, 2 restrooms to ada compliant, new walk in coolers, new rollup door in loading area.Details
tenant improvement, locate and upgrade, 2 restrooms to ada compliant, new walk in coolers, new rollup door in loading area. | $180,000 |
| Oct 29, 2015 | Completed final sign-off Jul 2016 | 1998 Hayes St | Altamira Construction Co | relocate laundry room from 3/f to 2/f, tide plumbing into existing drainage & existing water lines.Details
relocate laundry room from 3/f to 2/f, tide plumbing into existing drainage & existing water lines. | $5,000 |
| Aug 18, 2015 | Completed final sign-off Aug 2016 | 649 Andover St | Mehar One Development | exterior stairs & deck damaged by fire to be removed and replaced, install new windows, remove deck enclosure. total 10. three front windows, four at the rear of bldg. three window side of bldg.Details
exterior stairs & deck damaged by fire to be removed and replaced, install new windows, remove deck enclosure. total 10. three front windows, four at the rear of bldg. three window side of bldg. | $3,000 |
| May 4, 2015 | Completed final sign-off May 2016 | 1875 Sacramento St | L G Design And Construction Co. | soft story retrofit. other rational design. n/a for the maher ordinance.Details
soft story retrofit. other rational design. n/a for the maher ordinance. | $480,000 |
| Sep 16, 2014 | Never finaled issued Jun 2015, no final | 80 Walter St | L G Design And Construction Co. | soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4.Details
soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4. | $70,000 |
| Sep 5, 2014 | Completed final sign-off Apr 2017 | 1385 Pine St | L G Design And Construction Co. | soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4. soft story retrofit - asce 41-07. comply with sfbc chapter 34b.Details
soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4. soft story retrofit - asce 41-07. comply with sfbc chapter 34b. | $80,000 |
| Aug 2, 2013 | Completed final sign-off Dec 2013 | 270 Cresta Vista Dr | Watertight Restoration Inc | repair concrete columns with carbon fiber fabric (sika wrap hex 103c). total 6 pier columns.Details
repair concrete columns with carbon fiber fabric (sika wrap hex 103c). total 6 pier columns. | $36,000 |
| Jun 13, 2012 | Completed final sign-off Jul 2012 | 266 Cresta Vista Dr | Residential Restoration Co | foundation repairs/alteration, include plywood for area under lower floor. remodel under seperate permit pa#201205241219Details
foundation repairs/alteration, include plywood for area under lower floor. remodel under seperate permit pa#201205241219 | $5,000 |
| May 4, 2005 | Completed final sign-off Aug 2005 | 1511 31st Av | S. H. Construction | add 2 bedrooms, 1 bathroom on ground floor level. alter storage area to play room on ground fl levelDetails
add 2 bedrooms, 1 bathroom on ground floor level. alter storage area to play room on ground fl level | $8,000 |