Block 1009, lot 006
343 Walnut St
- City’s use
- Multi-Family Residential
- Built
- 1907
- Stories
- 3
- Units
- 6
- Rooms
- 5 bathrooms
- Building
- 5,201 sq ft
- Lot
- 2,047 sq ft
- Zoning
- RH2
- Construction type
- D
From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map
Permits filed here
9 permits filed for this property since 2000.
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Nov 6, 2025 | Completed final sign-off Dec 2025 | 343 Walnut St | San Francisco Fire Protection | as built change log ref pa 202212208723 per inspector replace 3 smoke detectors to 3 heat detectors in ground floor and add 1 horn strobe in ground floor near laundry +Details
as built change log ref pa 202212208723 per inspector replace 3 smoke detectors to 3 heat detectors in ground floor and add 1 horn strobe in ground floor near laundry + | $4,550 |
| Dec 20, 2022 | Completed final sign-off Dec 2025 | 343 Walnut St | San Francisco Fire Protection | like for like fire alarm system replacement. replace - facu, smoke detectors, pull stations, motor bells with horn/strobes; install - sounders, aes, monitoring moduleDetails
like for like fire alarm system replacement. replace - facu, smoke detectors, pull stations, motor bells with horn/strobes; install - sounders, aes, monitoring module | $10,000 |
| Dec 8, 2022 | Never finaled issued Dec 2022, no final | 343 Walnut St | insulation for 1 bedroom wall in 2 units (#4 & 6)Details
insulation for 1 bedroom wall in 2 units (#4 & 6) | $400 | |
| Jan 20, 2022 | Completed final sign-off Jan 2024 | 343 Walnut St | Wai On Liu | apt #4 & #6 (3rd & 4th fl): identical interior remodeling work. combine separate washroom & bathroom into 1 single bathroom in same location. combine kitchen & utility room into 1 large kitchen.Details
apt #4 & #6 (3rd & 4th fl): identical interior remodeling work. combine separate washroom & bathroom into 1 single bathroom in same location. combine kitchen & utility room into 1 large kitchen. | $50,000 |
| Aug 19, 2020 | Never finaled issued Aug 2020, no final | 343 Walnut St | S.F.A-1 Roofing & Maintenance | reroofing remove old roof. install 1 layer of base felt. 1 layer of modified bitumen by self stick. new flashingsDetails
reroofing remove old roof. install 1 layer of base felt. 1 layer of modified bitumen by self stick. new flashings | $13,650 |
| Sep 16, 2019 | Never finaled issued Sep 2019, no final | 343 Walnut St | replace 23 nos. windows inkind vinyl ;not visible from street in apts #5 and #3Details
replace 23 nos. windows inkind vinyl ;not visible from street in apts #5 and #3 | $11,500 | |
| Jun 28, 2018 | Never finaled issued Jun 2018, no final | 343 Walnut St | street spaceDetails
street space | ||
| Jul 8, 2015 | Completed final sign-off Jan 2019 | 343 Walnut St | West Coast Premier Construction Inc | compliance with mandatory seismic retrofit program. 2013 sfbc sec 34b and 2012iebc appx a4;maher n/aDetails
compliance with mandatory seismic retrofit program. 2013 sfbc sec 34b and 2012iebc appx a4;maher n/a | $45,000 |
| Nov 4, 2005 | Never finaled issued Nov 2005, no final | 343 Walnut St | street space for scaffoldDetails
street space for scaffold |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- San Francisco Fire Protection (2), S.F.A-1 Roofing & Maintenance, Wai On Liu, West Coast Premier Construction Inc
- Architects
- Donald David, Tommy Kwan
- Designers
- Michael Williams
Find contractors for work like this
Starts from the last permit filed here; change it to describe your own project. Results cover apartment buildings like this one.