CheckMyDesigner

Yao Kun Chen

Architect · Yao Chen Architecture Studio

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-36094First issued Nov 16, 2016, expires Jul 31, 2027.

Source: DCA License Search, retrieved Nov 5, 2026

Verify on DCA License Search

Any board discipline?
None found.

We searched the California Architects Board enforcement list on Nov 5, 2026.

Worked in San Francisco?
34 permits since 2019, 34 in the last 5 years. Latest filed Feb 26, 2026.
What kind of projects?
Commercial or tenant improvement 14 · Home remodel 7 · Addition 3
How long do their permits take?
Commercial or tenant improvement: 5 months. City typical for the same review: within 1 month.

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: 14 permits in San Francisco

From 2022 to 2025, latest filed Jul 29, 2025.
Permits
38 permits that name Yao Kun Chen, newest first, including 4 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Feb 26, 2026244 Napoleon St

To comply with nov#202536112: partial demolition of structure at the north. new ada bathroom.

Filed
Jul 29, 2025749 09th Ti St

Tenant improvement to existing ymca kitchen by adding a type-1 vent hood 8'long and hung from the roof structure. placement of hood exhaust fan and mau at the existing roof.

Approved
Aug 28, 202417 25th North Av

Change the (e) office to (n) laundry room with (n) closet, w&d hookups and electrical outlets. scope includes (n) utility sink and under counter fridge.

Complete
Sep 21, 20235315 Mission St

Unit c: for abe compliance program per ordinance 51-16, abe# 201911188334, replace door threshold w/max 1/2" height and 1/4" bevel, add push button to main entrance, replace door knob to lever-hdl at entry door side, adjust entry landing to 2% max slope.

Issued
Jun 12, 20234634 25th St

A new addition (310 sf) on the basement level to infill the existing extension toward the rear yard, roof over basement addition become deck access from the street level/first floor.

Filed
Apr 13, 2023666 Monterey Bl

Excavate to create storage area at the ground/first floor install new partitions to create power room and storage area-unconditional area. relocate washer, dryer, furnace and water boiler.

Complete
Mar 7, 20231426 Yosemite Av

Replace corrugated metal panel siding with new stucco siding. change facade profile to improve curbside appeal

Complete
Mar 2, 20233515 20th St

Storefront renovation at existing storefront

Complete
Jan 17, 2023130 Grand View Av

Addtion of bump out to the street level garage which adds 87sf of area to the garage, propose 3 roll-up garage doors facing the street, the new garage bump out only single story with class a roofing area, add 2 sconce lights for exterior illumination.replace driveway

Expired
Dec 21, 20221555 California St

1. replace door threshold w/ max 1/2" ht 1/4" bevel. 2. add new ada push buttons to business entrance. 3. replace door knob to lever at the int door. 4. adjust entry landng to 2% max slope. to applu accessible business entrance program. abe:201807231712

Complete
Dec 15, 20221544 Polk St

To comply with the accessible business entrance program abe #202209214500. ada entrance apply for technical infeasibility.

Issued
Dec 15, 20221540 Polk St

To comply with the accessible business entrance program abe #202209164498. 1) replace door threshold witth max 1/2" height. 2) new 1:20 slope ramp. 3) new ada push bottom to the main business entrance.

Issued
Dec 15, 20221542 Polk St

To comply with the accessible business entrance program abe #202209164499. 1) new ada push bottom to the main business entrance. 2) replace door threshold witth max 1/2" height.

Complete
Nov 21, 2022624 Fillmore St #3

Interior remodel kitchen and bath

Complete
Nov 10, 20222200 Keith St

Tenant improvement to (e) office/warehouse by building a 2nd level to the open warehouse area, w/ new stair going to the new 2nd fl office/storage area. maintain 15ft from 1st fl finish level to ceiling as required. no exterior work. all foundation/functional work only pertaining to the interior.

Issued
Aug 30, 20223621 Divisadero St

Legalize as built to pa# 200008117637. wall layout changes to 1st fl. remove stair to 2nd fl. create 1 office with 1-hr rated wall for separation to garage. replace approved deck with 2 juliet balconies. omit stair to 3rd fl. add rooms to playroom on 3rd fl.

Filed
Aug 4, 202260 Clipper Cove Wy

Renovate (e) storage room by adding a 2-hour fire rated wall to divide a room space of about 1500 sf into (2) rooms, server (716 sf) & storage rooms (770 sf).

Complete
Jul 26, 20223621 Divisadero St

Revision to pa 2022-0608-5840 legalize (e) 1 hr rated window @ lightwell and infill interior window frame w/wood framing and 5/8" type x gyp bd. to comply with nov 202289028

Complete
Jun 13, 20221350 Marin St

The front entrance to be modified to accommodate an accessible ramp with handril to be in compliance. the (e) ada toilet to be verified for compliance based on provided detail sheet a-208. ** maher: n/a ** to comply with abe program, abe# 202204190500.

Complete
Jun 10, 20221555 Burke Av #0

Add a food prep area to an (e) tenant space the new food prep area is carved out rom the storage area (1) 3- comp sink 2 warm tables,ss prep-table, 1 hand sink

Complete

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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