CheckMyDesignerSiavash Tahbazof
Engineer · Sia Consulting Corporation · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-38827First issued Sep 5, 1984, expires Mar 31, 2027.
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?
- 92 permits since 2004, 92 in the last 5 years. Latest filed Aug 19, 2022.
- What kind of projects?
- Home remodel 21 · New building 19 · Addition 10
- How long do their permits take?
- New building: 14 months. City typical for the same review: 12 months.
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: 21 permits in San Francisco
Time to get a permit
Median from filing to permit, from 21 issued permits filed since 1966.
Where
- Mission5
- Sunset/Parkside3
- Castro/Upper Market2
- Bernal Heights2
Most recent
- 170 Yukon StInstall non-structural 63"x12x12" concrete grade beam at 180's north wall; install non-structural 63"x72" 1 hr fire rated wall assembly at north wall above; install non-structural 63"x92" 1 hr fire rated wall assembly at north wall aboveFeb 20, 2019Complete
- 2060 Great HyInterior remodel @ kitchen and reduction of southern lightwell @ 2 stories.Sep 9, 2014Complete
- 412 Murray StInterior remodel of two units as follows: #414, adjustment of floor plan and full remodel as per plan. at #412, adjustment of floor plan at main level and connection of lower level storage area to habitable space in conjunction w/main level. partial foundation replacement/structural work per plan.Jun 30, 2014Complete
- 3368 22nd StInterior remodel, floor plan adjustment & conversion of basement area to condiitoned space including one bath, three bedrooms, new stair @ rear & seismic upgrade. all work to be confined to existing boundary of the bldg.Jun 27, 2014Complete
- 221 Craut StProposed new batroom & laundry closet at garage level. all work to be performed within the boundary of existing building.Jan 29, 2014Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Aug 19, 2022 | 345 06th St Conversion of commercial space to residential unit (adu). Filed | ADUType unconfirmed | Filed | — | |
| Jun 24, 2022 | 1356 York St To erect 4 stories, no basement, type v-a, 3 units residential building. Issued | New building | Issued | 33 months | |
| Jun 24, 2022 | 1354 York St To erect 4 stories, no basement, type v-a, 3 units residential building. Issued | New building | Issued | 33 months | |
| Jan 31, 2022 | 1655 La Salle Av Retrofit foundation. ref adu pa# 202001212359. Issued | Revision or supplementType unconfirmed | Issued | Within 1 month | |
| Sep 28, 2021 | 4758 Mission St Proposed interior remodeling of (e) 3-story over basement building to accomodate (8) (n) residential units. all work to be performed within (e) boundary of the building. Cancelled | Commercial or tenant improvement | Cancelled | 30 months | |
| Feb 20, 2019 | 170 Yukon St Install non-structural 63"x12x12" concrete grade beam at 180's north wall; install non-structural 63"x72" 1 hr fire rated wall assembly at north wall above; install non-structural 63"x92" 1 hr fire rated wall assembly at north wall above Complete | Home remodelType unconfirmed | Complete | Within 1 month | |
| Oct 10, 2018 | 750 Harrison St Emergency evacuation signs at 750 harrison st. all floors. Issued | OtherType unconfirmed | Issued | Within 1 month | |
| Jul 2, 2018 | 1335 Folsom St Revision to approve bpa #201406269545 to comply with storm water control requirement Issued | Revision or supplement | Issued | Within 1 month | |
| Oct 26, 2017 | 2510 Folsom St Proposed addition of two studio,(2) two bedroom units as adu per ordiance #162-16 at first floor. all work to be performed with (e) boundary of the bldg Complete | ADU | Complete | 14 months | |
| Sep 15, 2017 | 599 Naples St (rear building). to convert garage / exercise room to a new 3 bedrooms & 2.5 bath dwelling unit. Withdrawn | ADU | Withdrawn | — | |
| Feb 28, 2017 | 363 06th St To erect 9 stories, no basement, type i-a, 104 residential units wtih commercial & garage building. ** maher: yes. please route to dph ** Complete | New building | Complete | 7 months | |
| Dec 16, 2016 | 1335 Folsom St To demolish 1 story of a commercial manufacturing bldg Issued | Other | Issued | 3 months | |
| Oct 5, 2016 | 345 06th St Demolish of one story storage builing in parking lot. Complete | Other | Complete | 12 months | |
| May 17, 2016 | 750 Harrison St To demolish 1 story club building. ** maher: n/a ** Complete | Other | Complete | 3 months | |
| Feb 17, 2016 | 345 06th St To erect 9-story, 102 dwelling units apartment, parking, retail, mix use building. n/a for maher ordinance no.155-13. Complete | New building | Complete | 14 months | |
| Jul 15, 2015 | 480 Potrero Av Administrative correction to clarify residential unit count from 77 to 75 per r-1 drawings, 201306250465 s Complete | Revision or supplementType unconfirmed | Complete | Within 1 month | |
| Feb 25, 2015 | 1637 Hyde St Legalization of groud floor unit #7 - per ordinance 43-14. removal of rear stairs at 2nd floor. Complete | Legalize or fix a violation | Complete | 5 months | |
| Oct 28, 2014 | 2059 Golden Gate Av Revision to appl #2013.0403.3663. 1. floor plans modification at unit #3, unit #4 and unit #5 per plan. 2. add two new dormers at roof as per plan. entire building to be sprinklered per nfpa-13 under a separate permit. Complete | Revision or supplement | Complete | 2 months | |
| Oct 21, 2014 | 453 Hayes St Revision to comply with complaint 201497811. windows, accessibility and roof deck. proposed revision to approved bpa# 200710185839 under original address, 350 linden street, block 0817, lot 089. Complete | Revision or supplementType unconfirmed | Complete | Within 1 month | |
| Oct 15, 2014 | 1560 Dolores St Horizontal & vertical addition to existing single family home, one addition unit @ third and four floor. Complete | Addition | Complete | 17 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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