1875 48th Ave
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.75148, -122.50772
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 1875 48TH AVE; 1875A 48TH AVE
Zoning & Land Use
RH-1 — RESIDENTIAL- HOUSE, ONE FAMILY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RH-1, a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RH-1, a single-family residential zone. The lot is 2,096 sq ft on the parcel map; a split needs at least 2,400 sq ft (two lots of 1,200 sq ft or more).
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 0602980094A, 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: $1,494,000 – $2,022,000 · 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)
14 active or recent development projects (20 housing units across completed, permitted, and pipeline stages) and 494 total building permits recorded within ½ mile.
- Adds housing (ADU)12 permits (13 units)
Developments Deserving Closer Investigation & Active Area Builders
- 15 new homes at 3601 Lawton St (Applied)0.49 mi NE
Active in "Applied" for 8.7 yr (first record Mar 6, 2018) with no new permit activity recorded in 6.3 yr. High-impact scale (15 housing units, 7 deed-restricted affordable, $7,000,000 declared valuation across 3 permits).
- Accessory dwelling unit at 3713 Lawton St (Issued)0.45 mi NE
Active in "Issued" for 15 mo (first record Aug 11, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $1,062,978 declared valuation across 1 permit).
- 2 new homes (Issued)0.12 mi S
Active in "Issued" for 4.1 yr (first record Oct 4, 2022) with no new permit activity recorded in 4.1 yr.
- New home at 1863 44th Ave (Issued)0.23 mi E
Active in "Issued" for 8.4 yr (first record May 25, 2018) with no new permit activity recorded in 5.7 yr.
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202512232509 | Accessory dwelling unit (new or conversion) | issued | Iss. May 28, 2026 | $250,000 | convert(e) rear portion of the lvl 1 into new adu (exclude garage). interior remodel at lvl 2 with interior stair reloca… |
| 202604239949 | Remodel / interior alteration | issued | Iss. Apr 23, 2026 | $10,000 | soft demolition for dryrot repairs and damaged finishes and fixtures. all work is interior inside the home, ~80 lineal f… |