CheckMyDesignerBenjamin Pan-Hon Lai
Engineer · Benjamin Lai & Associates · Danville
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-3268First issued Jan 26, 1990, expires Mar 31, 2027.
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?
- 161 permits since 2003, 161 in the last 5 years. Latest filed Oct 27, 2026.
- What kind of projects?
- Retaining wall or site work 84 · Seismic retrofit or foundation 32 · Home remodel 16
- How long do their permits take?
- Retaining wall or site work: 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.
Retaining wall or site work: 84 permits in San Francisco
Time to get a permit
Median from filing to permit, from 79 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 10,218 permits.
Where
- Pacific Heights13
- Marina13
- Castro/Upper Market8
- Noe Valley7
Most recent
- 2912 Hawes StProvide temporary shoring system to facilitate excavation and construction of the proposed remodel and addition per approved pa201907024993.Jun 13, 2023Complete
- 2757 Vallejo St(n) retaining wall over 2 parcels to provide a replacement for the (e) unreinforced concrete retaining wall covering rear yard line of 2750 broadway. (e) retaining wall to be continuous as shown over part of rear yard of 2757 vallejo st. each of 3 addresses will have same permit application w/ plansJun 5, 2023Complete
- 2747 Vallejo StNew retaining wall over 2 parcles to provide a replacment for (e) unreinforced concrete retaining wall covering the rear yard line at 2750 broadway. parcels covered 2747 & 2755-2757 vallejo st.sep permit per lot.Jun 5, 2023Complete
- 525 Hickory StTemporary shoring for bpa#202212027585Dec 29, 2022Expired
- 38 Rossi AvTemporary shoring and sequencing for bpa# 202210194741 at rear yard.Nov 15, 2022Cancelled
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 27, 2026 | 2778 Green St #0 Provide temporary shoring system to facilitate excavation & construction of the proposed remodel & addition per approved pa# 201309257720 s3 Issued | Commercial or tenant improvementType unconfirmed | Issued | Within 1 month | |
| Jul 31, 2026 | 2950 Pacific Av Revision to pa 202505297474 for revised shoring Issued | Revision or supplement | Issued | Within 1 month | |
| May 12, 2026 | 21 05th Av Horizontal addition and renovation of (e) residence. excavate 1/f and replace foundations as required. Issued | Addition | Issued | 4 months | |
| Sep 22, 2025 | 54 Sussex St New two story horizontal addition at rear yard, new media room and bathroom at basement level, new second story vertical addition: primary bedroom and bathroom, new exterior finishes at existing front facade, new main entry front door system at existing location, new interior renovations Issued | Addition | Issued | 11 months | |
| Jun 13, 2025 | 2950 Pacific Av Facade alt and addition of 2 basement levels to (e).windows replacement,addition of garage and landscaping elements.new ped and vehicular entrance from broadway.interior renovation and relocate of elevator. rev to pa201602028565. Issued | Revision or supplement | Issued | 11 months | |
| Jan 16, 2024 | 2832 Union St Temporary shoring along e property line reference pa# 201511021455 Complete | Revision or supplementType unconfirmed | Complete | Within 1 month | |
| Nov 15, 2023 | 93 Buena Vista Tr Shoring permit related to bpa#202201135988. approx 25lf at north property line Complete | Revision or supplementType unconfirmed | Complete | Within 1 month | |
| Jun 13, 2023 | 2912 Hawes St Provide temporary shoring system to facilitate excavation and construction of the proposed remodel and addition per approved pa201907024993. Complete | Retaining wall or site workType unconfirmed | Complete | Within 1 month | |
| Jun 5, 2023 | 2757 Vallejo St (n) retaining wall over 2 parcels to provide a replacement for the (e) unreinforced concrete retaining wall covering rear yard line of 2750 broadway. (e) retaining wall to be continuous as shown over part of rear yard of 2757 vallejo st. each of 3 addresses will have same permit application w/ plans Complete | Retaining wall or site work | Complete | 2 months | |
| Jun 5, 2023 | 2747 Vallejo St New retaining wall over 2 parcles to provide a replacment for (e) unreinforced concrete retaining wall covering the rear yard line at 2750 broadway. parcels covered 2747 & 2755-2757 vallejo st.sep permit per lot. Complete | Retaining wall or site work | Complete | 2 months | |
| Mar 16, 2023 | 2920 Broadway Revision to permit 201912230360-s1. to incorporate landsacpe shoring design changes. Expired | Revision or supplement | Expired | Within 1 month | |
| Feb 3, 2023 | 2838 Union St Underpinning work associated w/bpa#201511021455 - 2832 union street Complete | Revision or supplementType unconfirmed | Complete | 8 months | |
| Dec 29, 2022 | 525 Hickory St Temporary shoring for bpa#202212027585 Expired | Retaining wall or site workType unconfirmed | Expired | 11 months | |
| Dec 7, 2022 | 666 Hamilton St Shoring for proposed development. ref bpa#202107295380. to comply with nov #202293899 dated 9/30/2022 Issued | Legalize or fix a violation | Issued | 4 months | |
| Nov 15, 2022 | 38 Rossi Av Temporary shoring and sequencing for bpa# 202210194741 at rear yard. Cancelled | Retaining wall or site work | Cancelled | Within 1 month | |
| Sep 19, 2022 | 529 Hickory St Renovation/remodl of (e) single family residence; remodel kitchen & (2) baths; add (1) bath; replace interior wall finishes; remove (1) bedroom & convert to walk-in closet; voluntary seismic retrofit; replace (e) brick foundation w/(n) concrete; interior only - no (n) floor area. Complete | Home remodel | Complete | 14 months | |
| Aug 5, 2022 | 3555 Pacific Av To erect 3 stories 2 basement single family dwelling Issued | New building | Issued | 36 months | |
| May 3, 2022 | 2920 Broadway Revision to pa# 201912230360 s1 to incorporate shoring design changes. Expired | Revision or supplement | Expired | 1 month | |
| Mar 8, 2022 | 112 Day St Shoring permit. in conjunction with pa# 202112164572 Issued | Revision or supplementType unconfirmed | Issued | Within 1 month | |
| Nov 29, 2021 | 744 Rhode Island St Add a 3rd fl w/ roof deck. upgrade all structure & foundation to meet/ exceed current code. complete partially excavated 1st fl basement/garage. upgrade m.e.p. to code. increase permeable area of sidewalk. increase area of solar panels & add gray water system. install sprinkler system per nfpa13r. Issued | Addition | Issued | 35 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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