51 Riverton Dr
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.73307, -122.48748
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 51A RIVERTON DR; 51 RIVERTON DR
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 lotsLikely eligible
Zoned RH-1, a single-family residential zone. The lot is 2,489 sq ft on the parcel map, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 0602980230A, 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: $1,464,000 – $1,980,000 · 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)
9 active or recent development projects (10 housing units across completed, permitted, and pipeline stages) and 417 total building permits recorded within ½ mile.
- Adds housing (ADU)5 permits (5 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 51 Riverton Dr (Issued)On this parcel
Active in "Issued" for 2.4 yr (first record May 28, 2024) with no new permit activity recorded in 12 mo.
- New home at 235 Gellert Dr (Issued)0.38 mi SW
Active in "Issued" for 3.4 yr (first record May 25, 2023) with no new permit activity recorded in 16 mo. High-impact scale (1 housing unit, $987,864 declared valuation across 3 permits).
- 2306-2310 and 2312-2316 Vicente Street (Approved)0.46 mi NW
Active in "Approved" for 6 yr (first record Oct 31, 2020) with no new permit activity recorded in 4.3 yr. High-impact scale (3 housing units, $1,653,117 declared valuation across 3 permits).
- Accessory dwelling unit at 1275 Sloat Bl (Applied)0.11 mi NE
Active in "Applied" for 7.1 yr (first record Sep 13, 2019) with no new permit activity recorded in 7.1 yr.
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202601164069 | Plan revision / deferred submittal | issued | Iss. Jan 21, 2026 | $1 | revision to pa #202405011206: removal of a45 minute fire rated window |
| 202405011206 | Accessory dwelling unit (new or conversion) | issued | Iss. Nov 5, 2025 | $188,476 | proposed adu at existing 1st floor. 2 bedrooms, 1 kitchen and 1 bathroom. |