300 Willow Rd
Nicasio 94946 · Nicasio · Unincorporated Marin · Coordinates: 38.09036, -122.76744
Executive Verdict · Public-Records Synthesis
Zoned ARP-40 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,090,000 ($1,839,000–$2,341,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$6,400 contributory est.)
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Jul 16, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
all of the lot of the parcel intersects Zone X: minimal flood hazard. Outside mandatory federal SFHA insurance rules, but check local drainage and finished-floor requirements.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! CAL FIRE High Fire Hazard Severity Zone (State Responsibility Area) (about 99% of the lot of lot)
Located in a mapped Fire Hazard Severity Zone. Expect Chapter 7A ignition-resistant building standards, defensible-space inspections, and stricter property insurance underwriting.
Source: CAL FIRE FHSZ (map Apr 1, 2024)
- ! 1 slow or stalled nearby project within ½ mile
Closest lead: New commercial building at 333 Willow Rd (0.11 mi NW, issued). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
- ! Year 1 Prop 13 tax reset (~$24,485/yr at $2,090,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,040/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Parcel & Assessor
- Lot size:
- 389,601 sq ft (8.94 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 300 WILLOW RD
Zoning & Land Use
ARP-40 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned ARP-40 (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 ARP-40 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned ARP-40 (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) (about 99% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 1% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0235D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,839,000 – $2,341,000 · Status: Off market
HUD Small Area FMR (ZIP 94946) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- New commercial building at 333 Willow Rd (Issued)0.11 mi NW
Active in "Issued" for 7.8 yr (first record Jan 14, 2019) with no new permit activity recorded in 7.6 yr.
Entity-resolved builders & contractors in ½ mile: Mc Leran (1 on parcel, 1 in ½ mi · Roof replacement); North Bay Solar Electric (1 on parcel, 1 in ½ mi · Solar / battery storage); Owner (1 in ½ mi · New commercial / non-residential building).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B47509 | Roof replacement | Issued | Iss. Jul 16, 2026 | $64,800 | ReRoofing; With Electronic Inspection |
| B28168 | Solar / battery storage | Issued | Iss. Dec 23, 2021 | $13,284 | 3.69KW roof mounted photovoltaic system with battery backup. |