J. Aaron Thornton
- Listed as
- architect, engineer
- Firm
- Leddy Maytum Stacy Architects
- Based in
- San Francisco
- On San Francisco permits
- May 2017 to Jul 2026
10 permits since 2000 (architect on 9 permits, engineer on 1 permit): 4 completed, 6 in progress.
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 |
|---|---|---|---|---|---|
| Jul 28, 2026 | In progress issued Aug 2026 | 967 Mission St | Nibbi Bros Assoc Inc. | stormwater for issued pa # 202309227225 sDetails
stormwater for issued pa # 202309227225 s | |
| Mar 18, 2026 | In progress issued Jul 2026 | 3185 Washington St | Truebeck Construction | remodel of existing private school building. project includes interior renovation work at basement and level-1 and seismic retrofit work. exterior work includes 2 new fixed fire rated windows at the rear facade, 1 at the first floor and 1 at the basement levelDetails
remodel of existing private school building. project includes interior renovation work at basement and level-1 and seismic retrofit work. exterior work includes 2 new fixed fire rated windows at the rear facade, 1 at the first floor and 1 at the basement level | $423,800 |
| Mar 13, 2026 | In progress issued Jun 2026 | 3185 Washington St | Truebeck Construction | interior demolition to prepare for alteration work under separate permit, paritions are non-structural.Details
interior demolition to prepare for alteration work under separate permit, paritions are non-structural. | $144,549 |
| Aug 27, 2025 | In progress issued Nov 2025 | 160 Freelon St | Cahill Guzman Construction Group Jv | construction of tower crane foundation for pa 202209283327.Details
construction of tower crane foundation for pa 202209283327. | $100,000 |
| Apr 3, 2025 | Completed final sign-off Sep 2025 | 3220 Sacramento St | Truebeck Construction | interior renovation to convert (e) u-lab classroom to offices and student lounge. replacement of hvac unit w/ new erv,heat pumpunits, diffusers and grills.Details
interior renovation to convert (e) u-lab classroom to offices and student lounge. replacement of hvac unit w/ new erv,heat pumpunits, diffusers and grills. | $500,000 |
| Mar 20, 2023 | Completed final sign-off Mar 2025 | 3150 California St | Truebeck Construction | demolish a 2-story, type 5b, retail & office building.Details
demolish a 2-story, type 5b, retail & office building. | $395,000 |
| Dec 23, 2022 | In progress issued Mar 2024 | 725 Davis St | Nibbi Bros Assoc Inc. | warm shell t.i. for a future cafe tenant. mep work to be design-buildDetails
warm shell t.i. for a future cafe tenant. mep work to be design-build | $927,000 |
| Sep 28, 2022 | In progress issued May 2024 | 639 Bryant St | Cahill Guzman Construction Group Jv | priority processing, 100% affordable housing - construct 9-story, 85 dwelling units, type 1-b building.Details
priority processing, 100% affordable housing - construct 9-story, 85 dwelling units, type 1-b building. | $59,000,000 |
| May 26, 2022 | Completed final sign-off Aug 2025 | 3150 California St | Truebeck Construction | erect a 3 story with one basement, type 3b, education building containing a mix of science and general education classrooms, a maker space, a student center, faculty and staff offices, food service and athletic facilities. proposed demolition work shown here is to be filed under a stand alone permitDetails
erect a 3 story with one basement, type 3b, education building containing a mix of science and general education classrooms, a maker space, a student center, faculty and staff offices, food service and athletic facilities. proposed demolition work shown here is to be filed under a stand alone permit | $23,500,000 |
| May 30, 2017 | Completed final sign-off Jul 2018 | 1550 Bryant St | Towers Construction | demo of non structural partitions. new non structural partitions. demo of demising wall between suite 555 & 545, create 3 conference rooms, carpet removal, new carpet & installation. mep/fire/life safety, under sep permit maher naDetails
demo of non structural partitions. new non structural partitions. demo of demising wall between suite 555 & 545, create 3 conference rooms, carpet removal, new carpet & installation. mep/fire/life safety, under sep permit maher na | $129,065 |