Jefferson Chen
Engineer · Enertia Designs · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-57898First issued Feb 20, 1998, expires Jun 30, 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?
- 415 permits since 2001, 415 in the last 5 years. Latest filed Oct 20, 2026.
- What kind of projects?
- Home remodel 176 · Seismic retrofit or foundation 74 · Deck, stairs or patio cover 46
- How long do their permits take?
- Home remodel: 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.
Home remodel: 176 permits in San Francisco
Time to get a permit
Median from filing to permit, from 164 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 24,651 permits.
Where
- Mission17
- Castro/Upper Market16
- West of Twin Peaks12
- Outer Richmond12
Most recent
- 254 08th AvCreate new parking space; remove (e) wall in garage, new steel structural beam, wood posts + conc. footings, new partial conc slab.Sep 29, 2026Issued
- 628 Shotwell St3rd flr: bathroom 2 (n) bathtub and relocate toilet. bathroom 4 remove partition wall, (n) bathtub and relocate toilet. (n) electrical and plumbing as required at area of work only.Jun 11, 2026Issued
- 30 Lopez AvConvert existing storage to new bed and bath.May 27, 2026Issued
- 622 24th Av1st/f: remodel e) fl space to n) home office, media rm, bath & laundry. wet bar.May 20, 2026Issued
- 20 Blake St3rd floor (top floor) reconfiguration of kitchen & living room, reconfiguration of rear bedroom to master bedroom & adding new master bath (n) electrical and plumbing as required at rear of work only, adding new roof deck.Apr 15, 2026Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 20, 2026 | 2545 Greenwich St Rev 201309177050:remove below-grd storage area.revert garage plate ht to unchanged.revert 1/f plate ht to unchanged.2/f plate ht to be 1ft higher than approved from 30-8 to 31-8. revise 3/f plan on e/s & move roof deck staircase from interior to exterior. Triage | AdditionType unconfirmed | Triage | — | |
| Sep 30, 2026 | 394 Laidley St Rev 201612296232: new entry door at garage level. minor shifting of a handful of interior partition walls. removal of 3 non-egress windows and skylights from scope of work. Triage | Revision or supplementType unconfirmed | Triage | — | |
| Sep 29, 2026 | 254 08th Av Create new parking space; remove (e) wall in garage, new steel structural beam, wood posts + conc. footings, new partial conc slab. Issued | Home remodel | Issued | Within 1 month | |
| Aug 10, 2026 | 859 28th Av Reply old damaged a framed skylight 5'x10' over exterior lightwell above the steps leading to the front door. will be replaced with 2 x 9.5' squared skylights in the newly framed 5'x10'. not visible from street or facing front. Issued | Other | Issued | 2 months | |
| Jul 24, 2026 | 30 Lopez Av Revision to 202605271951 for structural framing at door way. Issued | Revision or supplement | Issued | Within 1 month | |
| Jul 1, 2026 | 2814 Clay St Removing (e) barrel vauted garage. install new garage door. rebuild (e) exterior stair from sidewalk to front door with rise and run per code. remove (e) exterior stair on west side. (e) interior stair from level 2 to 3 rebuilt per code under separate permit. Issued | Deck, stairs or patio cover | Issued | Within 1 month | |
| Jun 18, 2026 | 262 Lexington St Revision to bpa#202006118454 to include the reconfiguration of meter cabinets at the south elevation per pg&e requirment; reconfigure entry area at the first floor; retain (e) exterior rear deck and stair. Issued | Revision or supplement | Issued | Within 1 month | |
| Jun 11, 2026 | 628 Shotwell St 3rd flr: bathroom 2 (n) bathtub and relocate toilet. bathroom 4 remove partition wall, (n) bathtub and relocate toilet. (n) electrical and plumbing as required at area of work only. Issued | Home remodel | Issued | Within 1 month | |
| May 27, 2026 | 30 Lopez Av Convert existing storage to new bed and bath. Issued | Home remodel | Issued | 1 month | |
| May 20, 2026 | 622 24th Av 1st/f: remodel e) fl space to n) home office, media rm, bath & laundry. wet bar. Issued | Home remodel | Issued | 1 month | |
| May 15, 2026 | 1443 Hudson Av Revision 202512182101- footing detail to reflect actual field verified condition Complete | Revision or supplement | Complete | Within 1 month | |
| Apr 30, 2026 | 511 Elizabeth St Revision to 202408219182: reduce scope of work to partial renovation & 242 sf rear yard addition to reduce from 492 sf to 242 sf addition. removal of front facade updates. Issued | Revision or supplement | Issued | 5 months | |
| Apr 15, 2026 | 20 Blake St 3rd floor (top floor) reconfiguration of kitchen & living room, reconfiguration of rear bedroom to master bedroom & adding new master bath (n) electrical and plumbing as required at rear of work only, adding new roof deck. Issued | Home remodel | Issued | 1 month | |
| Apr 13, 2026 | 125 Alma St Addition to existing 3rd floor to remodel existing rooms & add new bedroom and balcony. Issued | Addition | Issued | 6 months | |
| Feb 20, 2026 | 1443 Hudson Av Revision to 202512182101: replace e) window with french doors Issued | Revision or supplement | Issued | Within 1 month | |
| Jan 20, 2026 | 2627 21st St Reconstruct front woor stairs to be code compliant. reconstruct rear deck & stairs in kind. replace front 2nd fl wood windows and all rear windows. front wood windows to match existing style & size. install new hardie siding at rear facade. kitchen and bathroom remodel Issued | Deck, stairs or patio coverType unconfirmed | Issued | Within 1 month | |
| Dec 17, 2025 | 20 Medau Pl Revision 202406275426 1st fl e bath to be relocated. e door at hallway removed, remove wall at kitchen/dining rm. 2nd fl: door to be removed at hallway and kitchen. dryrot replacement. Issued | Revision or supplementType unconfirmed | Issued | Within 1 month | |
| Dec 1, 2025 | 976 Noe St 1st fl: existing posts at garage to be removed. 3rd fl: existing portion of wall between kitchen and dining room to be removed. Complete | Home remodelType unconfirmed | Complete | Within 1 month | |
| Oct 31, 2025 | 1301 41st Av New home lift from 1st and 2nd flr within (e) building. Complete | Other | Complete | Within 1 month | |
| Oct 14, 2025 | 108 Chattanooga St Rear horiz. addition & infill @ 2nd & 3rd flrs; expansion of conditioned living space to 1st flr toliving space to the 1st flr to include guest/exercise rm & bath; reconfigure rear kitchen & dining areas & convert full bath to powder rm @ 2nd fl; renova & reconfigure 3rd flr bedrms & bath to add. Issued | Addition | Issued | 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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