Baek Young Ahn
Architect · Baek Young Ahn, Aia · Millbrae
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-19749First issued Feb 16, 1989, expires Sep 30, 2027.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the California Architects Board enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 21 permits since 2006, 21 in the last 5 years. Latest filed Aug 5, 2022.
- What kind of projects?
- Commercial or tenant improvement 9 · Home remodel 4 · Addition 4
- How long do their permits take?
- Addition: 26 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.
Commercial or tenant improvement: 9 permits in San Francisco
Time to get a permit
Median from filing to permit, from 8 issued permits filed since 1966.
Where
- Nob Hill3
- South of Market2
- Hayes Valley1
- Marina1
Most recent
- 745 Buchanan StReplace e stairs and wheelchir lifts. remodel e restrooms for accessibility. remodel office area and kitchen. related mechanical, plumbing, elec works. reconfigure attic. windows sep permitAug 9, 2021Complete
- 1555 Union St #0Remodel reception area. remodel bathrooms & add accessible restroom.Oct 9, 2018Cancelled
- 500 Sutter St#101: remove interior partition, install display fixture and counter, install telephone and electrical outlets. sprinklers, f/a under separate permit.Sep 29, 2016Complete
- 449 Powell St #03/f -remove existing bar, build new bar & walls occupant load recalculated to 254 total occupants 01/08/16jhJan 8, 2016Complete
- 1514 25th Av1st floor: bathroom remodel & addition of bedroom & storage in garage. 2nd floor: kitchen & bathroom remodel. 3rd floor: addition with new kitchen & bathroom. remove (e) stair & add new stair to 3rd floor.Dec 17, 2015Cancelled
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 3, 2023 | 745 Buchanan St Rev to pa# 2021-0809-6018; remove (n) 2 each doubled door replace (n) 2 each 36x7'6" Complete | Revision or supplement | Complete | 1 month | |
| Aug 5, 2022 | 1555 Union St #0 Construct roof screen Approved | OtherType unconfirmed | Approved | — | |
| Mar 29, 2022 | 1918 Lake St 1st fl: horizontal enlargement. add family room & bathroom. 2nd fl: replace existing deck. add stair well and stairs to the first floor. no bldg height increase. no change on front of the building. Issued | Addition | Issued | 26 months | |
| Aug 9, 2021 | 745 Buchanan St Replace e stairs and wheelchir lifts. remodel e restrooms for accessibility. remodel office area and kitchen. related mechanical, plumbing, elec works. reconfigure attic. windows sep permit Complete | Commercial or tenant improvement | Complete | 3 months | |
| May 21, 2021 | 1555 Union St #0 Remove 2x2 wood on front of the building. construct new wall in front of the building with parapet. Withdrawn | Other | Withdrawn | — | |
| Dec 19, 2019 | 4018 03rd St Erect 4-story, 1 basement, type 5a, 8 dwelling units apartment, office & warehouse building (cross street sam jordans way/galvez ave). maher ordinance applies to this project. Filed | New building | Filed | — | |
| Oct 9, 2018 | 1555 Union St #0 Remodel reception area. remodel bathrooms & add accessible restroom. Cancelled | Commercial or tenant improvement | Cancelled | — | |
| Oct 25, 2017 | 1918 Lake St Addition of family rm on 1st flr. replace (e) deck on 2nd flr. add 4th flr with deck. 1 new bedroom, 2 new bathroom. no bldg height increase. no change on front side of bldg. Withdrawn | Addition | Withdrawn | — | |
| Aug 10, 2017 | 658 Cole St Remodel existing bathroom, add one bathroom, add closets. Complete | Home remodel | Complete | Within 1 month | |
| Sep 29, 2016 | 500 Sutter St #101: remove interior partition, install display fixture and counter, install telephone and electrical outlets. sprinklers, f/a under separate permit. Complete | Commercial or tenant improvement | Complete | 1 month | |
| Jun 8, 2016 | 129 Lake Merced Hill St South St Revision to pa #201507020527: omit filling the area by front entry, replace all existing sheetrock, no change to existing master closets. Complete | Revision or supplement | Complete | Within 1 month | |
| May 19, 2016 | 140 32nd Av Addition on third floor. for expansion of (e) family room. add toilet and wet bar. no work on other floors. Cancelled | Addition | Cancelled | — | |
| Jan 8, 2016 | 449 Powell St #0 3/f -remove existing bar, build new bar & walls occupant load recalculated to 254 total occupants 01/08/16jh Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Dec 17, 2015 | 1514 25th Av 1st floor: bathroom remodel & addition of bedroom & storage in garage. 2nd floor: kitchen & bathroom remodel. 3rd floor: addition with new kitchen & bathroom. remove (e) stair & add new stair to 3rd floor. Cancelled | Commercial or tenant improvementType unconfirmed | Cancelled | 9 months | |
| Jul 2, 2015 | 129 Lake Merced Hill St South St Build a laundry room, remodel kitchen & bath, closet remodel , no exterior change. Complete | Home remodel | Complete | 3 months | |
| May 1, 2015 | 449 Powell St #0 Build one hour rated shaft and install dumbwaiter with 1 hour rated access door. no change on exterior. sprinklers under sep. permit. shaft on 2nd & 3rd floors. Complete | Commercial or tenant improvementType unconfirmed | Complete | 5 months | |
| Apr 17, 2015 | 3120 Geary Bl Remove extg driveway and install wheelchair lift, replace extg doors with new storefront window /door, install interior partition and doors. remove extg bathroom and build accessible restroom. related elect. work including power and lighting.install nfpa 13 automatic sprinkler system throughout Cancelled | Home remodelType unconfirmed | Cancelled | — | |
| Mar 12, 2015 | 3120 Geary Bl Single story addition of 924 sq ft. add wall element at front of bldg. install roof top mechanical unit, ducts and registers. new bathroom with shower. related elec. work including power and lighting. Withdrawn | Addition | Withdrawn | — | |
| May 21, 2012 | 1700 Post St To comply w/complaint #200670983 - remodel existing restrooms, build bar & ceiling above the bar, install bbw grills & hoods, replace kitchen equipment, install light fixtures. Issued | Legalize or fix a violation | Issued | 1 month | |
| Jan 27, 2009 | 2950 Lake St Reroofing,replace windows in kind, doors and new garage door. add insulation, new flooring, kitchen, baths, and laundry remodel, new partition ,new radiant heating system, new plumbing fixtures, elec panels, outlets, light fixtures, and smoke alarms. new windows will be wood, same as (e) windows. Complete | Home remodel | Complete | Within 1 month |
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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