20 Palo Alto Ave
San Francisco · Twin Peaks · San Francisco · Coordinates: 37.75704, -122.44817
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 20 PALO ALTO AVE; 314 TWIN PEAKS BLVD
Zoning & Land Use
RH-1(D) — RESIDENTIAL- HOUSE, ONE FAMILY- DETACHED (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-1(D) (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RH-1(D), a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RH-1(D), a single-family residential zone. The lot is 4,497 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 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: $1,641,000 – $2,220,000 · 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)
22 active or recent development projects (36 housing units across completed, permitted, and pipeline stages) and 884 total building permits recorded within ½ mile.
- New construction4 permits (15 units)
- Adds housing (ADU)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 20 Palo Alto Ave (Issued)On this parcel
Active in "Issued" for 4.2 yr (first record Jul 29, 2022) with no new permit activity recorded in 4.2 yr.
- Accessory dwelling unit at 314 Twin Peaks Bl (Issued)On this parcel
Active in "Issued" for 6.1 yr (first record Sep 10, 2020) with no new permit activity recorded in 4.7 yr.
- 13 new homes at 4512v 23rd St (Applied)0.41 mi SE
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).
- New home at 35 Belgrave Ave (Issued)0.17 mi N
Active in "Issued" for 6 yr (first record Nov 14, 2020) with no new permit activity recorded in 2.7 yr. High-impact scale (1 housing unit, $1,700,000 declared valuation across 2 permits).
Permit & Project History on This Parcel (5 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202109027666 | Addition (adds square footage) | issued | Iss. May 24, 2023 | $221,007 | addition at (e) roof deck attached to (e) stair enclosure. plus replacing & extending (e) balcony at 1st flr & back yard… |
| 202207299573 | Accessory dwelling unit (new or conversion) | issued | Iss. Sep 2, 2022 | $235,000 | interior work only: remodel of (e) bathrooms and kitchens @ basement & 1st fl. replace main stair and remodel laundry/ b… |
| 202009103866 | Accessory dwelling unit (new or conversion) | issued | Iss. Feb 2, 2022 | $160,000 |