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Nathan C Simpson

Architect · Nathan Simpson Architect

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-37662First issued Feb 25, 2019, expires Jan 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?
49 permits since 2019, 49 in the last 5 years. Latest filed Dec 20, 2024.
What kind of projects?
Commercial or tenant improvement 24 · Home remodel 15 · Legalize or fix a violation 6
How long do their permits take?
Commercial or tenant improvement: 3 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.

Permits
56 permits that name Nathan C Simpson, newest first, including 7 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Dec 20, 2024395 17th Av

Upgrade (e) commercial entry per ordinance 51-16 abe program to comply w/accessible entrance program. 395 17th st abe # 201902135146.install new door and repair bricks per nov #202533173.

Issued
Oct 15, 20243004 16th St

Upgrade (e) commericial entries per ordiance 51-16 abe program to comply with accesible entrance program. abe #202410160267 1. reconfigure security gate 2. replace threshhold 3. relocate power door operation.

Issued
Jul 31, 20244900 03rd St

Upgrade (e) commercial entries per ordiance 51-16 abe program to comply with accessible entrance program: abe #201812183123. install power door operator.

Filed
Mar 1, 20245300 Geary Bl

Revision to pa# 202309257353, installation of sign over the door to read "door to remain unlocked during regular business hours", power operator to be install on left side outside.

Complete
Oct 10, 20232356 Polk St

Revision to 202307212689 and 202308305592 to include in scope: build new drop ceiling throughout retail space.add new lighting to the ceiling. adding electrical outlets

Complete
Oct 3, 20232886 16th St #0

Upgrade (e) commercial entrance per ordinance 51-16 abe program. abe # 201903185545. replace entrance slope, install power door operator

Issued
Oct 3, 20231898 Union St

To comply with abe ord 51-16 202210245105 install power door operator and install new door

Complete
Sep 25, 20235050 Geary Bl

Upgrade existing commerical entries per ordiance 51-16 abe program to comply with accessible business entrance program ord 51-16. ref abe 201902135149. install power door operator botton at interior and exterior. install signage for power operator.

Complete
Sep 25, 20235300 Geary Bl

Upgrade (e) commerical entries per ordiance 51-16 abe program to comply with accessible business entrance program ord 51-16. ref abe 201905105759. install power door operator.

Complete
Aug 30, 20232356 Polk St

Revision to pa# 202307212689. to include scope: demo (e) hardlid ceiling throughout retail space and replace bathroom exhaust fan.

Complete
Aug 10, 2023833 22nd St

Upgrade (e) commercial entry per ordinance 51-16 be program to comply w/accessible entrance program abe 202002111973 new power door opener

Issued
Aug 9, 20231001 Minnesota St

Upgrade existing commercial entries per ordinance 51-16 abe program to comply w/accessible entrance program. modify threshold, remove hold-open. abe202002051721.

Issued
Jul 21, 20232356 Polk St

Patch walls, remove tiled floors and countertop replace (e) plumbing and electrical fixtures in-kind. no ceiling work.

Complete
Jun 29, 20231892 V Union St

Upgrade (e) commercial entries per ordiance 51-16 abe programe to comply w/accessible entrance program. 1892 union: abe 201808232030 replace door, add constrast stripes to stairs, lower intercom.

Issued
May 4, 202325 Capra Wy #0

Demo entry & exit doors (3 levels) instllnew doors/hardware same location

Cancelled
Mar 31, 20231649 Market St

Replace storefront walls, windows, entrance. no structural modification. storefront preservation design standards have been reviewed/incorporated where applicable

Complete
Mar 31, 20231655 Market St

Replace storefront walls, windows, entrance. no structural modification. storefront preservation design standars have been reviewed/incorporate where applicable

Withdrawn
Feb 10, 20231649 Market St

Ground flr - barrier removal project, demo (e) restroom/build new accessible single occupancy restroom on ground floor of (e) vacant commercial space.

Complete
Jan 10, 2023630 Alvarado St #0

Permit to legalize original unit count (27). unit 305 & 306 demised to origianl unit confifuration and count (27). these units were combined without permit & have since been restored to their original configuration per approved use under pa#311252/15.

Complete
Aug 26, 2022355 Fulton St

Remove (8) (e) non fire rated interior doors in the building common areas and replace w/new fire rated doors.

Issued

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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