Parcel Context · Public-Records Property BriefAPN 188-140-21
300 A Horseshoe Hill Rd
Bolinas 94924 · Bolinas · Unincorporated Marin · Coordinates: 37.92835, -122.69768
Parcel & Assessor
- Lot size:
- 161,520 sq ft (3.71 ac)
- Assessor use:
- Single-Resid. - Unimproved
- Addresses on lot:
- 300A HORSESHOE HILL RD; 300 HORSESHOE HILL RD
Zoning & Land Use
C-ARP-5 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned C-ARP-5 (agricultural): ADUs are allowed if the zone allows a home, which depends on the zone's rules.
- SB 9: two homes on the lotUnlikely
Zoned C-ARP-5 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned C-ARP-5 (agricultural), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- High Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0440E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Alquist-Priolo Earthquake Fault Zone (Bolinas quadrangle) (all of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
HUD Small Area FMR (ZIP 94924) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
ACS 2020–2024 Median Gross Rent (Bolinas):$1,924±$507 Source: ACS 2020–2024 5-year estimates. Geography: Bolinas.
ACS 2020–2024 Median Gross Rent (ZIP 94924):$1,925±$487 Source: ACS 2020–2024 5-year estimates. Geography: Bolinas.
Zillow Home Value Index (ZIP 94924, September 2026):$1,954,560
ACS 2020–2024 Median Home Value (Bolinas):$2,000,000+ Source: ACS 2020–2024 5-year estimates. Geography: Bolinas.
ACS 2020–2024 Median Home Value (ZIP 94924):
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
New home at 300 Horseshoe Hill RdStage: Issued · 1 units · $630,000 declared valuation · Last record Jul 23, 2026
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 182195 | New single-family home | Issued | Iss. Jul 23, 2026 | $630,000 | S F D; Covered Porches |
| 182194 | Accessory dwelling unit (new or conversion) | Issued | Iss. Jul 23, 2026 | $270,000 | A D U; Covered Porch |
| 93893 | New garage / accessory structure | Applied | App. Dec 31, 2025 | — | Battery Shed |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2025).