2145 20th Ave
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.74773, -122.47742
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 2145 20TH AVE; 2147 20TH 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 3,000 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: $1,448,000 – $1,958,000 · 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)
20 active or recent development projects (23 housing units across completed, permitted, and pipeline stages) and 818 total building permits recorded within ½ mile.
- Adds housing (ADU)12 permits (12 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 2147 20th Ave (Issued)On this parcel
Active in "Issued" for 6.2 yr (first record Aug 12, 2020) with no new permit activity recorded in 3 yr.
- New home at 2027 20th Ave (Issued)0.15 mi N
Active in "Issued" for 5.8 yr (first record Jan 21, 2021) with no new permit activity recorded in 17 mo. High-impact scale (1 housing unit, $864,000 declared valuation across 3 permits).
- Accessory dwelling unit at 1937 17th Ave (Issued)0.32 mi NE
Active in "Issued" for 7.2 yr (first record Aug 6, 2019) with no new permit activity recorded in 2.4 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- New home at 1925 23rd Ave (Applied)0.33 mi NW
Active in "Applied" for 4.4 yr (first record Jun 7, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202409181106 | Remodel / interior alteration | filed | App. Sep 18, 2024 | $19,000 | install 316 sq ft of permeable interblocking pavers. 104 sq ft of new landscaping. 1 street tree |
| 202008121621 | Accessory dwelling unit (new or conversion) | issued | Iss. Oct 10, 2023 | $64,447 | convert lower floor of an existing single family dwelling unit into a new adu. convert one existing bedroom into a kitch… |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2023).