70 Ralston St
San Francisco · Oceanview/Merced/Ingleside · San Francisco · Coordinates: 37.71376, -122.46861
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 70A RALSTON ST; 70 RALSTON ST
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 2,397 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 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: $1,035,000 – $1,401,000 · 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)
21 active or recent development projects (20 housing units across completed, permitted, and pipeline stages) and 584 total building permits recorded within ½ mile.
- New construction4 permits (3 units)
Developments Deserving Closer Investigation & Active Area Builders
- 471 new homes at 101 Font Bl (Applied)0.27 mi W
Active in "Applied" for 3.9 yr (first record Dec 13, 2022) with no new permit activity recorded in 3.9 yr. High-impact scale (471 housing units, $219,015,000 declared valuation across 1 permit).
- New home at 287v Minerva St (Issued)0.38 mi E
Active in "Issued" for 7.7 yr (first record Feb 19, 2019) with no new permit activity recorded in 4.5 yr. High-impact scale (1 housing unit, $1,050,000 declared valuation across 1 permit).
- New commercial building at 261 Broad St (Issued)0.41 mi E
Active in "Issued" for 3.2 yr (first record Aug 24, 2023) with no new permit activity recorded in 15 mo. High-impact scale ($2,282,050 declared valuation across 2 permits).
- New duplex at 41v Ashton Ave (Issued)0.49 mi NE
Active in "Issued" for 5.2 yr (first record Sep 1, 2021) with no new permit activity recorded in 3 yr. High-impact scale (2 housing units, $1,000,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202607144964 | Accessory dwelling unit (new or conversion) | filed | App. Jul 22, 2026 | $300,000 | 1st floor: remove 1 (e) post at ground floor. install a new recessed garage door. new concrete slab @ 1st floor. in resp… |
| 201804105899 | Repair tied to a housing/code case | issued | Iss. Feb 7, 2020 | $70,000 | in response to notice of violation #201788082 & #201788812. 2nd fl. create open floor plan for living room, dining room … |
| 201811286865 | Repair tied to a housing/code case | cancelled | App. Nov 28, 2018 | $80,000 | in response to nov #201788813. ground fl: legalize (e) unit, including living/dining room, kitchen, (2) bedrooms & full … |
| 201804105904 | Repair tied to a housing/code case |