1528 18th Ave
San Francisco · Inner Sunset · San Francisco · Coordinates: 37.75926, -122.47542
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 1528 18TH AVE; 1528A 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 3,022 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: $1,484,000 – $2,008,000 · 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)
27 active or recent development projects (31 housing units across completed, permitted, and pipeline stages) and 952 total building permits recorded within ½ mile.
- New construction1 permit (2 units)
- Adds housing (ADU)
Developments Deserving Closer Investigation & Active Area Builders
- New home at 1528 18th Ave (Issued)On this parcel
Active in "Issued" for 7.6 yr (first record Apr 8, 2019) with no new permit activity recorded in 4.6 yr.
- New home at 600 Ortega St (Issued)0.42 mi SE
Active in "Issued" for 3.5 yr (first record Apr 27, 2023) with no new permit activity recorded in 17 mo. High-impact scale (1 housing unit, $1,438,000 declared valuation across 5 permits).
- New duplex at 1681 10th Ave (Applied)0.48 mi E
High-impact scale (2 housing units, $1,408,960 declared valuation across 2 permits). valuation changed to "40000" in snapshot Oct 30, 2026.
- Accessory dwelling unit at 1519 Kirkham St (Approved)520 ft W
Active in "Approved" for 4.9 yr (first record Nov 29, 2021) with no new permit activity recorded in 2.6 yr.
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 201904087368 | Remodel / interior alteration | issued | Iss. Mar 9, 2022 | $60,000 | unit legalization ord 43-14. legalize undocument ground floor space 1 bath, kitchen. |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2022).