Joshua Cohn
- Listed as
- architect
- Firm
- C A Architects
- Based in
- Sausalito
- On San Francisco permits
- Jul 2006 to Feb 2026
56 permits since 2000 (architect on 56 permits): 35 completed, 10 in progress, 5 never finaled, 6 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Feb 25, 2026 | In progress issued Jun 2026 | 150 Oak St | Related California Construction Llc | 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.Details
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. | $750,000 |
| Feb 20, 2026 | In progress issued Apr 2026 | 150 Oak St | Related California Construction Llc | 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.Details
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. | $16,200,000 |
| Dec 29, 2025 | Completed final sign-off Jul 2026 | 99 Rhode Island St | Swinerton Builders | revision to bpa 202504285348 to document field verification of existing conditions at south egress door.Details
revision to bpa 202504285348 to document field verification of existing conditions at south egress door. | |
| Dec 29, 2025 | In progress issued May 2026 | 150 Oak St | Related California Construction Llc | 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 willDetails
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 | $180,000 |
| Dec 15, 2025 | Completed final sign-off Apr 2026 | 150 Oak St | Related California Construction Llc | 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 isDetails
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 | |
| Nov 26, 2025 | In progress issued May 2026 | 150 Oak St | Related California Construction Llc | 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.Details
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. | $15,000,000 |
| Oct 20, 2025 | In progress issued Oct 2025 | 150 Oak St | Related California Construction Llc | 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.Details
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. | $3,600,000 |
| Sep 24, 2025 | In progress issued Dec 2025 | 150 Oak St | Related California Construction Llc | ab-004 priority: phase 1c - t.i.: mep upgrades to pa 202503172389. no associated increase to student population.Details
ab-004 priority: phase 1c - t.i.: mep upgrades to pa 202503172389. no associated increase to student population. | $13,500,000 |
| May 28, 2025 | Completed final sign-off Jun 2026 | 450 Irwin St | Field Construction Inc. | 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.Details
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. | $180,000 |
| May 14, 2025 | In progress issued Oct 2025 | 99 Rhode Island St | Swinerton Builders | 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.Details
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. | $15,000,000 |
| Mar 17, 2025 | In progress issued Jun 2025 | 150 Oak St | Cahill Contractors Llc., Related California Construction Llc | 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.Details
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. | $1,200,000 |
| Mar 13, 2025 | Completed final sign-off May 2026 | 150 Oak St | Cahill Contractors Llc. | 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.Details
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. | $350,000 |
| Dec 10, 2024 | Expired or cancelled withdrawn Aug 2026 | 2776 Broadway | Trejo Construction | revision to sfdbi pn#:2024-0216-6040 revised steel brace in kitchen (interior work only), see structural drawing and calulations.Details
revision to sfdbi pn#:2024-0216-6040 revised steel brace in kitchen (interior work only), see structural drawing and calulations. | |
| Jul 3, 2024 | Expired or cancelled withdrawn Apr 2025 | 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 occupancyDetails
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 | $186,000 | |
| Jun 27, 2024 | Completed final sign-off Aug 2024 | 150 Oak St | interior only non structural hallway window to be added to (e) classroom/learning center- no change in area or useDetails
interior only non structural hallway window to be added to (e) classroom/learning center- no change in area or use | $5,000 | |
| May 17, 2024 | In progress issued Sep 2024 | 2776 Broadway | Trejo Construction | 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.Details
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. | $275,000 |
| Apr 5, 2024 | In progress issued Apr 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.Details
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. | $90,000 | |
| Apr 20, 2023 | Completed final sign-off Nov 2023 | 1111 08th St | Johnstone - Mc Auliffe Const. Inc. | alteration to extg clerestoru window, replace w/temp insul window units. not visible from streetDetails
alteration to extg clerestoru window, replace w/temp insul window units. not visible from street | $450,000 |
| Feb 16, 2023 | Completed final sign-off Oct 2023 | 2235 Beach St | 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.Details
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. | $30,000 | |
| Feb 16, 2023 | Expired or cancelled cancelled Jan 2026 | 1 Warriors Wy | install (1) one exterior electric projecting double faced blade sign for wine bar.Details
install (1) one exterior electric projecting double faced blade sign for wine bar. | $1,000 | |
| Dec 29, 2022 | Expired or cancelled cancelled Jan 2026 | 1528 Franklin St | ext. non-structural access compliance work, provide compliant path of travel (pot), install entry door actuator and signage for sfdbi/abe/da-04, abe# 202002031639Details
ext. non-structural access compliance work, provide compliant path of travel (pot), install entry door actuator and signage for sfdbi/abe/da-04, abe# 202002031639 | $5,000 | |
| Dec 29, 2022 | Completed final sign-off May 2024 | 888 Turk St | to omply w/abe per ord 51-16, abe #201911258813. provide compliant path of travel (pot) from entry gate to entry door, modify e handrail & entrance gate for accessDetails
to omply w/abe per ord 51-16, abe #201911258813. provide compliant path of travel (pot) from entry gate to entry door, modify e handrail & entrance gate for access | $5,000 | |
| Sep 21, 2022 | Completed final sign-off May 2024 | 184 Hooper St | Johnstone - Mc Auliffe Const. Inc. | new dust collector for school woodshop - 2nd flr exterior. ref 202204222827.Details
new dust collector for school woodshop - 2nd flr exterior. ref 202204222827. | $50,000 |
| Sep 21, 2022 | Completed final sign-off Oct 2022 | 1 Warriors Wy | Field Construction Inc. | space 24 & 25:addition of partial soffit over area of food prep and partial open grille clg over the bar.non structural t.i.work only shall be entirely within the interior space.reference to bpa #2019-1218-9963Details
space 24 & 25:addition of partial soffit over area of food prep and partial open grille clg over the bar.non structural t.i.work only shall be entirely within the interior space.reference to bpa #2019-1218-9963 | |
| Apr 22, 2022 | Completed final sign-off May 2024 | 184 Hooper St | Johnstone - Mc Auliffe Const. Inc. | interior tenant improvement, non structural, approx. 9200 sq ft.Details
interior tenant improvement, non structural, approx. 9200 sq ft. | $140,000 |
| Apr 22, 2022 | Never finaled issued May 2022, no final | 1111 08th St | Johnstone - Mc Auliffe Const. Inc. | interior tenant improvement, non structural, approx. 9200 sq ft.Details
interior tenant improvement, non structural, approx. 9200 sq ft. | $110,000 |
| Aug 31, 2021 | Completed final sign-off Jul 2024 | 151 Hickory St | to comply w/abe per ordinance 51-16, abe# 202208182782, path of travel (pot): install actuators for sfdbi da-04 and signage for access compliance (abe program). entrance @ 151 hickoryDetails
to comply w/abe per ordinance 51-16, abe# 202208182782, path of travel (pot): install actuators for sfdbi da-04 and signage for access compliance (abe program). entrance @ 151 hickory | $7,500 | |
| Aug 31, 2021 | Completed final sign-off Aug 2024 | 151 Oak St | to comply w/abe program/ord 51-16, abe #201812243405. per report, path of travel remediation, provide compliant path of travel from entry gate to entry door, install graphics for accessDetails
to comply w/abe program/ord 51-16, abe #201812243405. per report, path of travel remediation, provide compliant path of travel from entry gate to entry door, install graphics for access | $5,000 | |
| Aug 31, 2021 | Completed final sign-off Nov 2023 | 65 Lily St | to comply w/abe program per ord 51-16, abe# 202212145620, add accessible signage, abe # 202001100863Details
to comply w/abe program per ord 51-16, abe# 202212145620, add accessible signage, abe # 202001100863 | $100 | |
| Nov 6, 2019 | Never finaled issued Nov 2019, no final | 114 Channel | Hasz Construction Inc | administrative permit to reflect occupancy load at 102 at t.i. project for wine bar. interior. ref app#201904299247Details
administrative permit to reflect occupancy load at 102 at t.i. project for wine bar. interior. ref app#201904299247 | |
| Jun 7, 2019 | Completed final sign-off Sep 2019 | 150 Oak St | Cahill Const Service Inc | non-structural ti work, no change in use, interior remodel w/new non-structural partition wall & finishes, work shall be limited to the 3rd & 4th fl only. no exterior work.Details
non-structural ti work, no change in use, interior remodel w/new non-structural partition wall & finishes, work shall be limited to the 3rd & 4th fl only. no exterior work. | $230,000 |
| Apr 29, 2019 | Never finaled issued Jun 2019, no final | 114 Channel | Hasz Construction Inc | interior, non structural ti for mission bay wine & spirits work, for wine bar and retail. n/a for maher.Details
interior, non structural ti for mission bay wine & spirits work, for wine bar and retail. n/a for maher. | $425,000 |
| Feb 4, 2019 | Never finaled issued Feb 2019, no final | 110 Channel | Hasz Construction Inc | finish floor space to be added over extg structural slab, no exterior work. n/a for maherDetails
finish floor space to be added over extg structural slab, no exterior work. n/a for maher | $80,000 |
| Jun 19, 2018 | Completed final sign-off Oct 2018 | 150 Oak St | non-structural, interior t.i. consisting of addition of int. glazing and seat benches.Details
non-structural, interior t.i. consisting of addition of int. glazing and seat benches. | $20,000 | |
| Nov 20, 2017 | Completed final sign-off Sep 2021 | 84 Page St | to construct a practice field (structure/fence) for a school. ** maher: n/a **Details
to construct a practice field (structure/fence) for a school. ** maher: n/a ** | $220,000 | |
| Jul 13, 2017 | Completed final sign-off Apr 2018 | 150 Oak St | non-structural ti. no change of use/occ. addition of seat, benches & glazing in wallDetails
non-structural ti. no change of use/occ. addition of seat, benches & glazing in wall | $28,000 | |
| Jun 14, 2017 | Completed final sign-off Apr 2018 | 150 Oak St | perform egress revisions to allow forcompliance to cbc 452.1.4 exception for pre-app meeting letter dated 5/31/2016. (fire alarm separate permit) see pa# 2017-0614-9319.Details
perform egress revisions to allow forcompliance to cbc 452.1.4 exception for pre-app meeting letter dated 5/31/2016. (fire alarm separate permit) see pa# 2017-0614-9319. | $75,000 | |
| Mar 28, 2017 | Completed final sign-off Jun 2021 | 84 Page St | demolish 1 story, type 3, office building.Details
demolish 1 story, type 3, office building. | $84,000 | |
| Jul 15, 2015 | Completed final sign-off Oct 2015 | 150 Oak St | addition of exit only doors & new office on 4th floor.Details
addition of exit only doors & new office on 4th floor. | $21,000 | |
| Jun 13, 2014 | Completed final sign-off Aug 2014 | 150 Oak St | interior t.i. work, no structural work, limited to 1, 2, 4, & 5 floors. fire alarm / sprinkler protection shall be deferred, see plans.Details
interior t.i. work, no structural work, limited to 1, 2, 4, & 5 floors. fire alarm / sprinkler protection shall be deferred, see plans. | $116,000 | |
| Jun 27, 2013 | Completed final sign-off Jul 2013 | 150 Oak St | 2nd & 5th floors-addition of new rated windows/frame to (e) interior corridor. 2 new windows on 2nd floor & 3 new windows on 5th floorDetails
2nd & 5th floors-addition of new rated windows/frame to (e) interior corridor. 2 new windows on 2nd floor & 3 new windows on 5th floor | $4,000 | |
| Jun 27, 2012 | Completed final sign-off Jul 2012 | 150 Oak St | room #276- limited tenant improvement - addition of interior wall/door. no increase in area or change in occupancy, no structural work. on the 2nd floor.Details
room #276- limited tenant improvement - addition of interior wall/door. no increase in area or change in occupancy, no structural work. on the 2nd floor. | $4,000 | |
| Jun 8, 2011 | Completed final sign-off Sep 2011 | 150 Oak St | Cahill Contractors Inc | tenant improvement (interior only) & voluntary accessible upgrades/improvements for complianceDetails
tenant improvement (interior only) & voluntary accessible upgrades/improvements for compliance | $180,000 |
| Sep 1, 2010 | Completed final sign-off Aug 2011 | 66 Page St | Paisano Electric Inc | addition of led illumination to (e) permitted sign facing lily street, reference pa #2008-11-18-6813.Details
addition of led illumination to (e) permitted sign facing lily street, reference pa #2008-11-18-6813. | $500 |
| May 13, 2010 | Completed final sign-off Aug 2010 | 150 Oak St | interior tenant improvements on 1st. & 4th. flr. no-structural work as shown on plans. sprinklers and fire alarm on separate permit.Details
interior tenant improvements on 1st. & 4th. flr. no-structural work as shown on plans. sprinklers and fire alarm on separate permit. | $20,000 | |
| Jan 6, 2010 | Expired or cancelled expired Mar 2011 | 340 Castenada Av | remodel (e) bathroom & add 2nd bthroom @ level 2, new kitchen floor/cabinets for existing kitchen @ ground floor.Details
remodel (e) bathroom & add 2nd bthroom @ level 2, new kitchen floor/cabinets for existing kitchen @ ground floor. | $5,000 | |
| Jul 2, 2009 | Completed final sign-off Aug 2009 | 150 Oak St | modification to (e) bathroom - replacing sink with toilet/sink @ 1st floor & addition of door to (e) classroom @ 4th floor.Details
modification to (e) bathroom - replacing sink with toilet/sink @ 1st floor & addition of door to (e) classroom @ 4th floor. | $9,500 | |
| Jun 11, 2009 | Completed final sign-off Sep 2009 | 1 Zoo Rd | Yerba Buena Engineering & Construction | site improvements, gate improvements, animal exhibit improvements to an existing animal exhibit, previously approved pa #200701192132.Details
site improvements, gate improvements, animal exhibit improvements to an existing animal exhibit, previously approved pa #200701192132. | $350,000 |
| May 18, 2009 | Completed final sign-off Feb 2010 | 66 Page St | Plant Construction Company Lp | remedial work to existing parapet, change of use under previously permit 200809161710.Details
remedial work to existing parapet, change of use under previously permit 200809161710. | $10,000 |
| Mar 23, 2009 | Completed final sign-off Feb 2010 | 66 Page St | Plant Construction Company Lp | revision to 200809161710: addition of pyrostop glazing to proposed hallway at level b, level 1, and level 2Details
revision to 200809161710: addition of pyrostop glazing to proposed hallway at level b, level 1, and level 2 | $2,000 |
| Jan 30, 2009 | Completed final sign-off Mar 2010 | 66 Page St | revision to app #200809161710. change to extg wndw/door framing from steel to aluminum. glazing shall remain the same.Details
revision to app #200809161710. change to extg wndw/door framing from steel to aluminum. glazing shall remain the same. | ||
| Sep 16, 2008 | Completed final sign-off Feb 2010 | 66 Page St | change of use from auto repair garage to school. renovation of (e) building for instructional use (school). no additional area to be added, interior demo work-new interior walls, mechanical, electrical system, perform code required seismic upgrade.Details
change of use from auto repair garage to school. renovation of (e) building for instructional use (school). no additional area to be added, interior demo work-new interior walls, mechanical, electrical system, perform code required seismic upgrade. | $4,000,000 | |
| Apr 9, 2008 | Never finaled issued Apr 2008, no final | 1 Zoo Rd | Delao Electric Inc | install fire alarm control panel, install 3 heat detectors, 1 strobes and 2 pull stations adn 2 smoke detectors.Details
install fire alarm control panel, install 3 heat detectors, 1 strobes and 2 pull stations adn 2 smoke detectors. | $8,000 |
| Jan 19, 2007 | Completed final sign-off May 2009 | 1 Zoo Rd | renovate (e) non-public barn structure for better animal mgmt &req ada upgrades-new layout exterior animal exhibits &off exhibits yards incl new animal barriers &gates, animal pool(hippo)&pasture. new animal mgmt chutes consist concrete pad,steel pole enclosure w/ hydralic gates.Details
renovate (e) non-public barn structure for better animal mgmt &req ada upgrades-new layout exterior animal exhibits &off exhibits yards incl new animal barriers &gates, animal pool(hippo)&pasture. new animal mgmt chutes consist concrete pad,steel pole enclosure w/ hydralic gates. | ||
| Jul 24, 2006 | Completed final sign-off Aug 2007 | 1 Zoo Rd | to erect 1 story exhibit pavilion.Details
to erect 1 story exhibit pavilion. | $1,650,000 | |
| Jul 19, 2006 | Expired or cancelled withdrawn Jul 2006 | 1 Zoo Rd | (n) animal exhibit pavilion for public viewing of grizzly bears. work includes (n) fencing, landscaping, bear containment. project is privately funded. no fire protection. unconditioned space. no mechanical work. new structure.Details
(n) animal exhibit pavilion for public viewing of grizzly bears. work includes (n) fencing, landscaping, bear containment. project is privately funded. no fire protection. unconditioned space. no mechanical work. new structure. | $1,650,000 |