4512 23rd St
San Francisco · Twin Peaks · San Francisco · Coordinates: 37.75261, -122.44330
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 4512 23RD ST
Zoning & Land Use
RM-1 — RESIDENTIAL- MIXED, LOW DENSITY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RM-1 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RM-1 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RM-1 (multifamily residential), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 0602980114A, effective March 23, 2021
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,173,000 – $1,587,000 · Status: Off market
HUD Metro FMR (San Francisco, CA HUD Metro FMR Area) · FY 2026
Studio $2,485 · 1BR $2,977 · 2BR $3,604 · 3BR $4,604 · 4BR $4,772
Nearby Activity (½ mile radius, since October 2024)
28 active or recent development projects (46 housing units across completed, permitted, and pipeline stages) and 1,115 total building permits recorded within ½ mile.
- New construction3 permits (11 units)
- Adds housing (ADU)
Developments Deserving Closer Investigation & Active Area Builders
- 13 new homes at 4512v 23rd St (Applied)On this parcel
Active in "Applied" for 6.7 yr (first record Feb 26, 2020) with no new permit activity recorded in 5 yr. High-impact scale (13 housing units, $4,750,000 declared valuation across 1 permit).
- 3 new homes at 892v Corbett Ave (Issued)230 ft NW
Active in "Issued" for 5.5 yr (first record May 6, 2021) with no new permit activity recorded in 2.6 yr. High-impact scale (3 housing units, $2,100,000 declared valuation across 1 permit).
- 2 new homes at 49 Hopkins Ave (Entitled)390 ft W
Active in "Entitled" for 8.9 yr (first record Dec 7, 2017) with no new permit activity recorded in 14 mo. High-impact scale (2 housing units, $1,000,000 declared valuation across 3 permits).
- New duplex at 505 Burnett Ave (Issued)390 ft W
Active in "Issued" for 2.3 yr (first record Jul 18, 2024) with no new permit activity recorded in 14 mo. High-impact scale (2 housing units, $1,400,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202002265479 | New multifamily / condos / mixed-use | filed | App. Feb 26, 2020 | $4,750,000 | to erect 5 stories, 1 basement, type 3-a over 1-a, 13 units apartment building. |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2021).