CheckMyDesignerGerald Simon Tierney
Architect · Perkins+Will · Berkeley
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-21296First issued Mar 14, 1990, expires Jan 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?
- 11 permits since 2017, 11 in the last 5 years. Latest filed Oct 24, 2023.
- What kind of projects?
- Other 4 · New building 3 · Commercial or tenant improvement 3
- How long do their permits take?
- Legalize or fix a violation: within 1 month. 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.
Other: 4 permits in San Francisco
Time to get a permit
No permits of this type filed since 1966 have been issued yet; 4 still in review.
Where
- Potrero Hill4
Most recent
- 2800 03rd StBldg# 4 - to demolish a 1 story, type 5a, industrial building.Apr 20, 2022Filed
- 2800 03rd StBldg# 2 - to demolish a 1 story, type 5a, greenhouse building.Apr 20, 2022Filed
- 2800 03rd StBldg# 3 - to demolish a 2-story, type 5a, office building.Apr 20, 2022Filed
- 2800 03rd StBldg# 1 - to demolish a 1 story, type 5a, industrial building.Apr 20, 2022Filed
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 24, 2023 | 420 Taylor St Relocate existing wall + floor mounted bike racks so as to comply with 1a bulletin no.9 only. no other work is proposed. Complete | Legalize or fix a violationType unconfirmed | Complete | Within 1 month | |
| Apr 20, 2022 | 2800 03rd St Bldg# 4 - to demolish a 1 story, type 5a, industrial building. Filed | Other | Filed | — | |
| Apr 20, 2022 | 2800 03rd St Bldg# 2 - to demolish a 1 story, type 5a, greenhouse building. Filed | Other | Filed | — | |
| Apr 20, 2022 | 2800 03rd St Bldg# 3 - to demolish a 2-story, type 5a, office building. Filed | Other | Filed | — | |
| Apr 20, 2022 | 2800 03rd St Bldg# 1 - to demolish a 1 story, type 5a, industrial building. Filed | Other | Filed | — | |
| Jul 16, 2021 | 2741 16th St To erect 4 stories over 1 basement, type 1b, parking/mech & pdr/lab Filed | New building | Filed | — | |
| Sep 4, 2020 | 420 Taylor St #0 Revision to pa #2019-0116-0492: revise the extension of the (e) traction elevator serving the 1st through 4th floor to the newly converted basement level office space. Complete | Revision or supplement | Complete | 5 months | |
| Dec 13, 2019 | 1 Avenue Of The Palms Erect (n) (138) 100% affordable multifamily dwelling residence & mixed-used building Complete | New building | Complete | 16 months | |
| Dec 13, 2019 | 388 Avenue Of The Palms Mayor ed# 17-02. priority processing. ab-004 attached. to erect 6 stories, 1 basement, type 1-b, 76 residential unit building. (r-2,a-3,s-2) parcel-c2.3 Filed | New building | Filed | — | |
| Sep 18, 2019 | 420 Taylor St #0 Electrical & lighting work. ref pa #201901160492. maher na Complete | Revision or supplement | Complete | 2 months | |
| Sep 9, 2019 | 420 Taylor St #0 Rooftop mech equipment platform framing. screen calls with attachment (n) guardrail. ref pa 2019-0116-0492 Complete | Revision or supplement | Complete | 2 months | |
| Jan 22, 2019 | 420 Taylor St Interior concrete demo of slab on grade and interior drive ramp as well as a portion of upper level concrete deck. n/a for maher Complete | Commercial or tenant improvementType unconfirmed | Complete | 1 month | |
| Jan 16, 2019 | 420 Taylor St #0 Remodel existing basement and ground fl levels; addition of new mezzanine into office with small retail component. raise ground floor slab and infill existing openings onto the street with windows & doors & provision of stairs. maher na Complete | Commercial or tenant improvement | Complete | 6 months | |
| Dec 14, 2017 | 420 Taylor St #0 Conversion of (e) ground floor & basement parking into office space with addition of partial mezzanine @ ground floor & addition of office space @ existing 4th floor roof deck Withdrawn | Commercial or tenant improvementType unconfirmed | Withdrawn | — | |
| Jan 25, 2016 | 445 Geary St #0 Mechanical, electrical & plumbing reference pa 2015-0306-0768. Complete | Revision or supplement | Complete | 6 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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