CheckMyDesignerGordon Leonard Polon
Engineer · Santa Monica
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-28564First issued Aug 10, 1977, expires Mar 31, 2028.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the BPELSG enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 3 permits since 2021, 3 in the last 5 years. Latest filed Feb 10, 2025.
- What kind of projects?
- New building 2 · Legalize or fix a violation 1
- How long do their permits take?
- Legalize or fix a violation: 12 months. City typical for the same review: 5 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.
New building: 2 permits in San Francisco
Time to get a permit
Median from filing to permit, from 2 issued permits filed since 1966.
Where
- Castro/Upper Market2
Most recent
- 4034 20th StBldg b: construction of new 3-story over basement, type vb, single family dwelling (with adu to be under separate permit). demo permit under pa# 202104269349.Oct 1, 2021Complete
- 4034 20th StBldg a: construction of new 3-story over basement, type vb, single family dwelling (with adu to be under separate permit). demo permit under pa# 202104269349.Oct 1, 2021Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Feb 10, 2025 | 1270 Valencia St To comply w/ nov# 202305585 and planning #2023-002956enf, removing 5 (e) skylights, adding 21 skylights, add continuous dormers on the north/south sides of roof w/ clearstory windows. note (e) ridge to remain. make restrooms on 2/f accessible. remove non-permit cook, plumbing fixtures/appliances. Complete | Legalize or fix a violation | Complete | 12 months | |
| May 20, 2022 | 4034 20th St Bldg b: revision to pa# 202110019688. structural details. Complete | Revision or supplement | Complete | Within 1 month | |
| May 20, 2022 | 4034 20th St Bldg a: revision to pa# 202110019684. structural details and relocation of half bath on 3rd fl. Complete | Revision or supplement | Complete | Within 1 month | |
| Oct 1, 2021 | 4034 20th St Bldg b: construction of new 3-story over basement, type vb, single family dwelling (with adu to be under separate permit). demo permit under pa# 202104269349. Complete | New building | Complete | 5 months | |
| Oct 1, 2021 | 4034 20th St Bldg a: construction of new 3-story over basement, type vb, single family dwelling (with adu to be under separate permit). demo permit under pa# 202104269349. Complete | New building | Complete | 7 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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