1775 31st Ave
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.75415, -122.48969
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 1775 31ST 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 lotsLikely eligible
Zoned RH-1, a single-family residential zone. The lot is 3,046 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 0602980113A, 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: $1,471,000 – $1,991,000 · 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)
17 active or recent development projects (17 housing units across completed, permitted, and pipeline stages) and 745 total building permits recorded within ½ mile.
- Adds housing (ADU)13 permits (13 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 1775 31st Ave (Issued)On this parcel
New permit record (202610280063) appeared in snapshot Oct 29, 2026.
- Accessory dwelling unit at 1719 39th Ave (Applied)0.47 mi W
Active in "Applied" for 22 mo (first record Jan 9, 2025) with no new permit activity recorded in 11 mo. High-impact scale (1 housing unit, $900,000 declared valuation across 1 permit).
- Accessory dwelling unit at 1862 31st Ave (Issued)0.12 mi S
Active in "Issued" for 5.5 yr (first record Apr 16, 2021) with no new permit activity recorded in 2.4 yr.
- Accessory dwelling unit at 2632 Moraga St (Issued)0.13 mi NW
Active in "Issued" for 8.2 yr (first record Aug 16, 2018) with no new permit activity recorded in 6.3 yr.
Permit & Project History on This Parcel (4 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202610280063 | Plan revision / deferred submittal | issued | Iss. Oct 28, 2026 | $1 | revision to permit#202610239844, reduce 2 kitchens to 1 kitchen only. remaining scope to pa#: 2026-1023-9844 to remain t… |
| 202610239844 | Accessory dwelling unit (new or conversion) | issued | Iss. Oct 23, 2026 | $150,000 | to comply with nov #202654587: repair fire-damaged (2) bathrooms, (2) kitchens, replace sheetrock throughout. no penalty… |
| 202604139292 | Roof replacement | issued | Iss. Apr 13, 2026 | $11,400 | replace main flat roof with torch down 180 gta granulated and replace front shingle roof with composition shingles, 40 y… |
| 202008171967 | Windows / doors / siding |