300 Pioche St
San Francisco · Excelsior · San Francisco · Coordinates: 37.72835, -122.42166
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 300 PIOCHE ST; 312 PIOCHE ST
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 lotsUnlikely
Zoned RH-1, a single-family residential zone. The lot is 2,375 sq ft on the parcel map; a split needs at least 2,400 sq ft (two lots of 1,200 sq ft or more).
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 0602980231A, 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: $1,005,000 – $1,359,000 · 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)
15 active or recent development projects (20 housing units across completed, permitted, and pipeline stages) and 606 total building permits recorded within ½ mile.
- Adds housing (ADU)8 permits (10 units)
- Additions & renovations
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 312 Pioche St (Applied)On this parcel
Active in "Applied" for 3.6 yr (first record Mar 27, 2023) with no new permit activity recorded in 2.3 yr.
- 39 new homes (Entitled)0.46 mi W
Active in "Entitled" for 3.3 yr (first record Jul 13, 2023) with no new permit activity recorded in 3.3 yr. High-impact scale (39 housing units, 8 deed-restricted affordable across 0 permits).
- Accessory dwelling unit at 212 Genebern Wy (Issued)0.35 mi NW
Active in "Issued" for 4 yr (first record Oct 17, 2022) with no new permit activity recorded in 6 mo. High-impact scale (1 housing unit, $961,808 declared valuation across 3 permits).
- New home (Entitled)290 ft SW
Active in "Entitled" for 18 mo (first record Apr 29, 2025) with no new permit activity recorded in 18 mo.
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202303274482 | Accessory dwelling unit (new or conversion) | filed | App. Mar 27, 2023 | $45,427 | addressing nov#202296209. conversion of unauthorized dwelling unit to adu. garage to living area. note that "rooms down"… |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2024).