1537 18th St
San Francisco · Potrero Hill · San Francisco · Coordinates: 37.76235, -122.39822
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 1537 18TH ST; 301 ARKANSAS ST
Zoning & Land Use
RH-2 — RESIDENTIAL- HOUSE, TWO FAMILY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-2 (two-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotUnlikely
Zoned RH-2 (two-family residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RH-2 (two-family 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 0602980119A, 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: $1,288,000 – $1,742,000 · 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)
43 active or recent development projects (471 housing units across completed, permitted, and pipeline stages) and 935 total building permits recorded within ½ mile.
- New construction8 permits (436 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 301 Arkansas St (Applied)On this parcel
Active in "Applied" for 5.3 yr (first record Jul 23, 2021) with no new permit activity recorded in 5.3 yr.
- New home at 613 Wisconsin St (Issued)0.21 mi S
Active in "Issued" for 18 mo (first record May 13, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $1,420,000 declared valuation across 3 permits). work_desc changed to "revisions to approved permit #202503132195 issued 12/31/2025. minor interior plan changes to basement, 1st, 2nd, & 3rd floors resulting in structural modifications at each level. new bathroom in basement & wet bar on 3/f. 3 windows removed from scope at kitchen, bath 1 & 3/f." in snapshot Oct 27, 2026.
- 64 new homes (Entitled)0.31 mi NE
Active in "Entitled" for 3.7 yr (first record Mar 2, 2023) with no new permit activity recorded in 3.7 yr. High-impact scale (64 housing units, 9 deed-restricted affordable across 0 permits).
- 425 new homes at 300 De Haro St (Issued)0.31 mi NW
Active in "Issued" for 5.3 yr (first record Jul 23, 2021) with no new permit activity recorded in 16 mo. High-impact scale (425 housing units, 425 deed-restricted affordable, $75,000,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202107235001 | Accessory dwelling unit (new or conversion) | filed | App. Jul 23, 2021 | $250,000 | convert existing non-conforming retail space into adu. |
| 202008131672 | Repair tied to a housing/code case | complete | Iss. Aug 13, 2020 | $2,500 | to address nov 202041050. to check all remaining carbels on the bldg are structurally fastined/attached |