2450 20th Ave
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.74204, -122.47636
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 2450 20TH AVE; 2450A 20TH AVE
Zoning & Land Use
RTO-C — RESIDENTIAL TRANSIT ORIENTED DISTRICT - C (Commercial)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RTO-C (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
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: $1,268,000 – $1,716,000 · 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)
19 active or recent development projects (23 housing units across completed, permitted, and pipeline stages) and 675 total building permits recorded within ½ mile.
- Adds housing (ADU)12 permits (13 units)
Developments Deserving Closer Investigation & Active Area Builders
- New home at 2450a 20th Ave (Issued)On this parcel
Active in "Issued" for 8.6 yr (first record Mar 15, 2018) with no new permit activity recorded in 23 mo.
- 3 new homes at 1420 Taraval St (Applied)0.29 mi W
Active in "Applied" for 8.2 yr (first record Aug 8, 2018) with no new permit activity recorded in 6.7 yr. High-impact scale (3 housing units, $1,800,000 declared valuation across 2 permits).
- 1221 Vicente Street (Entitled)0.3 mi SW
Active in "Entitled" for 3.9 yr (first record Dec 16, 2022) with no new permit activity recorded in 2.2 yr. High-impact scale (3 housing units, $1,300,000 declared valuation across 2 permits).
- Accessory dwelling unit at 2451a 19th Ave (Issued)120 ft E
Active in "Issued" for 8.4 yr (first record May 18, 2018) with no new permit activity recorded in 5.9 yr.
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202507090468 | Plan revision / deferred submittal | issued | Iss. Jul 11, 2025 | $50,000 | revision 201803153794, change foundation design. change interior layout of unit to be legalized to comply with nov 20175… |
| 201803153794 | Repair tied to a housing/code case | issued | Iss. Aug 24, 2023 | $265,522 | comply w/ nov# 201755441 to remove north bedrm & bath @ 1st fl; remove temp partition wall & closet on 2nd fl; legalize … |
| 201910114323 | Addition (adds square footage) | filed | App. Oct 11, 2019 | $8,000 | deck addition, replace two windows with doors onto deck |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2024).