3225 Dillon Beach Rd
Tomales 94971 · Dillon Beach · Unincorporated Marin · Coordinates: 38.23263, -122.94808
Executive Verdict · Public-Records Synthesis
Zoned C-APZ-60 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,239,000 ($1,090,000–$1,388,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$6,400 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Sep 8, 2025).
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)
about 99% 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 Moderate Fire Hazard Severity Zone (State Responsibility Area) (all 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)
- ! Year 1 Prop 13 tax reset (~$14,699/yr at $1,239,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,225/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:
- 2,031,987 sq ft (46.65 ac)
- Assessor use:
- Rural - Improved
- Addresses on lot:
- 3225 DILLON BEACH RD
Zoning & Land Use
C-APZ-60 — Agriculture Production Zone (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned C-APZ-60 (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-APZ-60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned C-APZ-60 (agricultural), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate 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 (about 99% of the lot) · FIRM panel 06041C0080E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,090,000 – $1,388,000 · Status: Off market
HUD Small Area FMR (ZIP 94971) · FY 2026
Studio $2,400 · 1BR $2,870 · 2BR $3,480 · 3BR $4,450 · 4BR $4,610
Developments Deserving Closer Investigation & Active Area Builders
Entity-resolved builders & contractors in ½ mile: Gvd Renovations (1 on parcel, 1 in ½ mi · Windows / doors / siding); Solar Optimum (1 on parcel, 1 in ½ mi · Solar / battery storage); Safe And Warm Chimney Service (1 on parcel, 1 in ½ mi · HVAC / heat pump); Romans Plumbing (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B43782 | Windows / doors / siding | Issued | Iss. Sep 8, 2025 | $68,160 | 1.Remove existing trim on walls. 2. Install James Hardie weather barrier on walls. 2.install James Hardie lap siding on … |
| 168448 | HVAC / heat pump | Issued | Iss. Jun 10, 2021 | $8,669 | Fire Pl Insert, Gas |
| 168056 | Solar / battery storage | Issued | Iss. May 6, 2021 | $10,500 | Energy Storage System - Express |
| B25127 | Plumbing / water heater / sewer | Issued | Iss. Mar 12, 2021 | $6,550 | 1). Drain, remove and dispose of existing electric tank water heater. 2). Run propane line to tankless location under ho… |