Clifton K Boswell
Architect · Som · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-26963First issued Jun 17, 1997, expires May 31, 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?
- 56 permits since 2004, 56 in the last 5 years. Latest filed Feb 26, 2025.
- What kind of projects?
- Commercial or tenant improvement 19 · Other 18 · New building 12
- How long do their permits take?
- Deck, stairs or patio cover: 6 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: 19 permits in San Francisco
Time to get a permit
Median from filing to permit, from 17 issued permits filed since 1966; 1 still in review.
Where
- Financial District/South Beach17
- Nob Hill1
- South of Market1
Most recent
- 300 Clay St #0This is an renovation project of the (e) basement, ground, loading dock & plaza level at 300 clay st. demolition of (e) walls, ceilings, finishes, mechanical, electrical & plumbing equipment. construction of (n) restrooms & kitchens, locker rooms, office & dry storage, storage & cooler.Nov 12, 2021Complete
- 255 California StInterior renovation of the ground and 2nd fl lobby & 2nd fl common areasAug 25, 2021Complete
- 300 Clay St #0Coiling door - a coiling door added on east side between (e) elevator lobby & (n) tenant space for fire & smoke separation.Nov 18, 2020Issued
- 645 Harrison StRetain the historic 4 story building & construct new 237,750 sf vertical addition above (e) bldg. existing ground floor would feature mixed-use retail space & a basement will be added the (e) office & pdr uses will be retained within the 4 story podium bldg. (r-1,b,m,a-2,a-3) ** maher: n/a **Dec 6, 2019Filed
- 1 Maritime Pz4th & 5th fl - new partitions, ceilings & finishes on existing partial 4th & 5th floor. new open stairway between 4th & 5th floorJan 18, 2019Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Jun 26, 2026 | 1750 Van Ness Av Revise issued bpa 202111232980 s2, update profilesof decoratedfinishes, revise lighting design, move louver within main shrine hall, rm 206, east side of level 2. Issued | Revision or supplement | Issued | Within 1 month | |
| Sep 16, 2025 | 300 Clay St #0 Revision to pa# 202502261091: removing the work on the east entrance from the scope of work. Complete | Revision or supplement | Complete | Within 1 month | |
| Aug 11, 2025 | 1750 Van Ness Av Revise approved app 202111232980, change food service equipment in the kitchen area. wok range, electric fyer and hot water dispenseer. Issued | Revision or supplement | Issued | Within 1 month | |
| Feb 26, 2025 | 300 Clay St #0 Remove existing west entrance door of the bar sprezzatura on plaza level. install a new revolving door with power assist, automated pivot door on west entrance. remove e east entrance door of the bar sprezzatura, new pivot door with power assist. Complete | Other | Complete | 2 months | |
| Jan 27, 2025 | 1750 Van Ness Av Revision to pa 2021-1123-2980 s2: remove all finishes, stone cladding, stone cladding support steel and the sawtooth ceiling from the shrine and meditation room. revise the buddha pedestal to gypsum board and paint. revise the lighting design for shrine area. Cancelled | Revision or supplement | Cancelled | Within 1 month | |
| Jul 15, 2024 | 49 South Van Ness Av Revision to 202305268668. added phasing drawings to address fire marchall's comments regarding egress & operation of the smoke control doors being replaced during construction Complete | Revision or supplement | Complete | 8 months | |
| May 26, 2023 | 49 South Van Ness Av Revision to pa# 202206085877 to reduce scope of work: remove vestibule prev approved. change to some doors. Complete | Revision or supplement | Complete | Within 1 month | |
| Sep 28, 2022 | 1750 Van Ness Av To demolish 1 story, type iii-b, insitution / office building. Issued | Other | Issued | 2 months | |
| Jul 15, 2022 | 1 Steuart Ln Level 20 unit 2004: remove or relocate the fe and fec located in the front hallway. eliminate it based on the fact that a code requiring to have the fire extinguisher in the location. if elimination is not possible, relocate it, preferably in the laundry room. Cancelled | Other | Cancelled | — | |
| Jun 8, 2022 | 49 South Van Ness Av Demolition of (e) doors on levels 1,3, & 10 and to be replaced with new doors and a new vestibule at one location on level 1 and replacement of the walk-off mat with stone. Complete | Other | Complete | 3 months | |
| Jun 3, 2022 | 255 California St Revision to approved pa# 202108257128. demolition of existing doors, millwork and installation of lighting in vacant tenant space. 2nd fl. Complete | Revision or supplement | Complete | Within 1 month | |
| Apr 29, 2022 | 255 California St 2/f: landscape improvement exterior terrace. replace (1) exterior door w/inswinging door to provide egress from south terrace Complete | Deck, stairs or patio coverType unconfirmed | Complete | Within 1 month | |
| Apr 28, 2022 | 300 Clay St #0 Revision to pa# 202111122237. revise havs shaft enclosures to rated enclosures. Complete | Revision or supplement | Complete | Within 1 month | |
| Feb 18, 2022 | 300 Clay St Mep for bpa #202111122237 Complete | Revision or supplement | Complete | 3 months | |
| Dec 15, 2021 | 300 Clay St #0 Ventilation system for chemical exhaust for water treatment system in basement. ref 2019 0124 1154. Issued | OtherType unconfirmed | Issued | Within 1 month | |
| Nov 23, 2021 | 1750 Van Ness Av Erect new 6-story over 1 bsmt, type ib, 40,514 gross sqft bldg for new buddhist temple & accessory bookstore. bsmt lvl of 23,517 sqft for below grade garage w/7 veh. parking, 1 ada, 14 class-1 bike space, storage, mech area. project includes 30 private, no-cost dorm rm for attendees/religious guest. Issued | New building | Issued | 13 months | |
| Nov 12, 2021 | 300 Clay St #0 This is an renovation project of the (e) basement, ground, loading dock & plaza level at 300 clay st. demolition of (e) walls, ceilings, finishes, mechanical, electrical & plumbing equipment. construction of (n) restrooms & kitchens, locker rooms, office & dry storage, storage & cooler. Complete | Commercial or tenant improvement | Complete | 3 months | |
| Aug 25, 2021 | 255 California St Interior renovation of the ground and 2nd fl lobby & 2nd fl common areas Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Feb 8, 2021 | 255 California St Revision to pa 202008312950 (building entrance exterior landing improvement). replace existing terrazzo flooring btw column lines 3 & 6 w/ new terrazzo flooring. replace hose bib btw lines 8 & 9. Complete | Revision or supplement | Complete | 3 months | |
| Dec 16, 2020 | 300 Clay St #0 Structural glass canopy. added exterior glass canopy at clay street entrance. Complete | Deck, stairs or patio cover | Complete | 11 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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