Joshua Sawyer Cohn
Architect · C A Architects · Sausalito
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-23410First issued Jun 9, 1992, expires Nov 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?
- 45 permits since 2006, 45 in the last 5 years. Latest filed Feb 25, 2026.
- What kind of projects?
- Commercial or tenant improvement 27 · Other 9 · Home remodel 3
- How long do their permits take?
- Commercial or tenant improvement: within 1 month. City typical for the same review: 2 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: 27 permits in San Francisco
Time to get a permit
Median from filing to permit, from 25 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 16,280 permits.
Where
- Hayes Valley19
- Mission Bay6
- Western Addition2
Most recent
- 150 Oak StAb-004 priority phase 2.1: int ti-construct (n) staff-operated kitchen in basement lvl w/comm cooking eq, food prep area & servery line. students & faculty will have no access to kitchen. install (n) grease interceptor w/in (e) cafeteria & minor arch finish. modification/ext to (e)fa & fs as req.Feb 25, 2026Complete
- 150 Oak StAb-004 priority phase 2.2: non-structural int ti-establish staff-operated cafe serving hs students on 6th flr. limited to int arch finishes &typical mep modifications. cafe provide pre-pared, non-cooked food & bev only; no cooking equip, hooods or special ventilation of fp req. student/faculty willDec 29, 2025Complete
- 450 Irwin St2nd/fl: interior tenant improvement of approx. 2004 gsf of the existing use on the second floor, and exterior modifications tot eh roof for the additio of the erv unit to provide make-up air serving the area of the interior renovation.May 28, 2025Complete
- 99 Rhode Island StFull building renovation and change ofuse from office to private school (k-12) and group e childcare (+36mos).(e) on-site parking convert to outdoor play yard for students. mandatory seismic upgrade.May 14, 2025Issued
- 150 Oak StAb-004 priority:phase 1b: renovate restrooms on floors 1-5.replace (e) toilet partitions w/ proviacy partitions where allwed by (e) fixture layouts.additoinal gender neutral restroom added to basement & 6/f.expand (e) egress stairs #05 from 1-2/f to service basements thru 3/f.add stairs #8 fr 3-6/f.Mar 17, 2025Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Feb 25, 2026 | 150 Oak St Ab-004 priority phase 2.1: int ti-construct (n) staff-operated kitchen in basement lvl w/comm cooking eq, food prep area & servery line. students & faculty will have no access to kitchen. install (n) grease interceptor w/in (e) cafeteria & minor arch finish. modification/ext to (e)fa & fs as req. Complete | Commercial or tenant improvement | Complete | 4 months | |
| Feb 20, 2026 | 150 Oak St Ab-004 priority phase 2c: voluntary & selective renovation of (e) mep systems serving approx 125,400 gsf of the 177,800 gsf of entire (e) bldg. proposed mep design will supplement current arch & struc ti. non-seismic struc work ltd to addition of penthouse rooftop support & anchorage of mech equip. Complete | Other | Complete | 2 months | |
| Dec 29, 2025 | 99 Rhode Island St Revision to bpa 202504285348 to document field verification of existing conditions at south egress door. Complete | Revision or supplement | Complete | Within 1 month | |
| Dec 29, 2025 | 150 Oak St Ab-004 priority phase 2.2: non-structural int ti-establish staff-operated cafe serving hs students on 6th flr. limited to int arch finishes &typical mep modifications. cafe provide pre-pared, non-cooked food & bev only; no cooking equip, hooods or special ventilation of fp req. student/faculty will Complete | Commercial or tenant improvement | Complete | 5 months | |
| Dec 15, 2025 | 150 Oak St Rev to reconcile architectural floor plans re-issue pa#: 202503172389 (1b) and 202509094851 (1c). 6th floor interior non-structural architectural revision to incorporate(e) storage room apprx 300 sqft. into the adjacent assemply place along with minor interior partition plan adjustments. work is Complete | Revision or supplement | Complete | 2 months | |
| Nov 26, 2025 | 150 Oak St Phase 2: new ext canopies,partial roof/skylights & column removal on 6/f,resurface payyard,new entry gates,ext stairs & ter serving new sep entry & reno of (e) main entry w/ new canopy.nonstruct-ti's basement kitchen. Complete | Deck, stairs or patio coverType unconfirmed | Complete | 6 months | |
| Oct 20, 2025 | 150 Oak St 300 (e) window replacement - replace (e) steel sash, single-light, non-tempered w/ high performing aluminum windows deisgn w/ tempered, insulated glass & low-e energy efficient coating. same window divisions as (e) but greater energy efficieny & bldg code req.in size opening & safety glazing. Issued | Other | Issued | Within 1 month | |
| Sep 24, 2025 | 150 Oak St Ab-004 priority: phase 1c - t.i.: mep upgrades to pa 202503172389. no associated increase to student population. Issued | Revision or supplement | Issued | 2 months | |
| May 28, 2025 | 450 Irwin St 2nd/fl: interior tenant improvement of approx. 2004 gsf of the existing use on the second floor, and exterior modifications tot eh roof for the additio of the erv unit to provide make-up air serving the area of the interior renovation. Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| May 14, 2025 | 99 Rhode Island St Full building renovation and change ofuse from office to private school (k-12) and group e childcare (+36mos).(e) on-site parking convert to outdoor play yard for students. mandatory seismic upgrade. Issued | Commercial or tenant improvement | Issued | 5 months | |
| Mar 17, 2025 | 150 Oak St Ab-004 priority:phase 1b: renovate restrooms on floors 1-5.replace (e) toilet partitions w/ proviacy partitions where allwed by (e) fixture layouts.additoinal gender neutral restroom added to basement & 6/f.expand (e) egress stairs #05 from 1-2/f to service basements thru 3/f.add stairs #8 fr 3-6/f. Issued | Commercial or tenant improvement | Issued | 3 months | |
| Mar 13, 2025 | 150 Oak St Ab-004 priority: phase 1a:partial interior non-structural t.i. work on the 4/f & basement. provide make-up air using the (e) mehanical system by rerouting ductwork and air diffusers where applicable. no increase to student population. Complete | Commercial or tenant improvement | Complete | 2 months | |
| Dec 10, 2024 | 2776 Broadway Revision to sfdbi pn#:2024-0216-6040 revised steel brace in kitchen (interior work only), see structural drawing and calulations. Withdrawn | Revision or supplement | Withdrawn | — | |
| Jul 3, 2024 | 450 Irwin St Interior ti (n0n-structural) of partial 2nd fl of (e) schoool, addition of rooftop mech w/structural support, no area increase. no change in occupancy Withdrawn | Commercial or tenant improvement | Withdrawn | — | |
| Jun 27, 2024 | 150 Oak St Interior only non structural hallway window to be added to (e) classroom/learning center- no change in area or use Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| May 17, 2024 | 2776 Broadway Minor additions on n & s 10ft horizontal but not exceed (e) roof ht. add 167sf on 3rd lvl.n/s installation of moment frame.additions tie into (e) buyilding structure and there will be no foundatoins or excavation. interior work within all 3 floors. Issued | Addition | Issued | 4 months | |
| Apr 5, 2024 | 2776 Broadway Interior remodel non structural for single family home to include remodel of (3) bathrooms and kitchen located on 1st and 2nd floor. upgrades to fixtures and finishes. the permit is separate from pa 202402166040. Issued | Home remodel | Issued | Within 1 month | |
| Apr 20, 2023 | 1111 08th St Alteration to extg clerestoru window, replace w/temp insul window units. not visible from street Complete | Other | Complete | 1 month | |
| Feb 16, 2023 | 2235 Beach St #201 2/f #201: interior non-structural renovation (fire damage) only. replace floor finishes, interior wall/ceiling finishes, cabinets, lights in-kind. no addition area added. no exterior work. Complete | Home remodel | Complete | Within 1 month | |
| Feb 16, 2023 | 1 Warriors Wy Install (1) one exterior electric projecting double faced blade sign for wine bar. Cancelled | Other | Cancelled | — |
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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