2275 18th Ave
San Francisco · West of Twin Peaks · San Francisco · Coordinates: 37.74543, -122.47511
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 2275 18TH 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 2,979 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: $1,721,000 – $2,329,000 · 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)
16 active or recent development projects (18 housing units across completed, permitted, and pipeline stages) and 791 total building permits recorded within ½ mile.
- Adds housing (ADU)10 permits (10 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 2275 18th Ave (Issued)On this parcel
Active in "Issued" for 6.9 yr (first record Dec 12, 2019) with no new permit activity recorded in 3.1 yr.
- New home at 2027 20th Ave (Issued)0.34 mi NW
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).
- 3 new homes at 1420 Taraval St (Applied)0.39 mi SW
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).
- Accessory dwelling unit at 1937 17th Ave (Issued)0.43 mi N
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).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202506279616 | Fire alarm / sprinkler | complete | Iss. Jun 27, 2025 | $6,200 | installation of a new sprinkler monitoring system. ref#: 202412025890. |
| 202412025890 | Fire alarm / sprinkler | complete | Iss. Dec 2, 2024 | $22,707 | install new fire sprinkler syastem at entire ground floor per nfpa 13 r including 2" dedicated fire service per nfpa 24 … |
| 201912129418 | Accessory dwelling unit (new or conversion) | issued | Iss. Dec 13, 2022 | $300,000 | horizontal addition to ground & second floor, and vertical addition to add third floor, add adu to ground floor. kitchen… |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2023).