599 Dillon Beach Rd
Tomales 94971 · Tomales · Unincorporated Marin · Coordinates: 38.24644, -122.91021
Executive Verdict · Public-Records Synthesis
Zoned C-ARP-5 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,386,000 ($1,220,000–$1,552,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$12,960 contributory est.)
Public building records show issued construction/renovation work on this parcel (20 total permits, latest Dec 7, 2023).
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 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)
- ! Delayed or open permit activity on this parcel
New commercial building at 599 Dillon Beach Rd: Active in "Issued" for 8.1 yr (first record Oct 9, 2018) with no new permit activity recorded in 7.7 yr. High-impact scale ($6,662,000 declared valuation across 2 permits).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$16,389/yr at $1,386,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,366/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:
- 76,535 sq ft (1.76 ac)
- Assessor use:
- Tax Exempt
- Addresses on lot:
- 599 DILLON BEACH 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
- 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 (all of the lot) · FIRM panel 06041C0085E, 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: $1,220,000 – $1,552,000 · 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
- New commercial building at 599 Dillon Beach Rd (Issued)On this parcel
Active in "Issued" for 8.1 yr (first record Oct 9, 2018) with no new permit activity recorded in 7.7 yr. High-impact scale ($6,662,000 declared valuation across 2 permits).
- Electrical / panel (175582) (Issued)On this parcel
Issued after 3 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
- Plumbing / water heater / sewer (161087) (Issued)On this parcel
Issued after 5 mo — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
- Electrical / panel (160928) (Issued)On this parcel
Issued after 5 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
Entity-resolved builders & contractors in ½ mile: Ef Brett And (17 on parcel, 17 in ½ mi · Electrical / panel); Owner (1 on parcel, 4 in ½ mi · New garage / accessory structure); Solarcraft Services (1 on parcel, 1 in ½ mi · Solar / battery storage); Power Pole Service (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (9 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (20 permits, 1 grouped projects)
Showing 15 most recent permits| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 175582 | Electrical / panel | Issued | Iss. Dec 7, 2023 | $90,000 | Exterior Free-Standing Electornic Message Sign For Fire Station *County Project* |
| 162415 | Solar / battery storage | Issued | Iss. Aug 21, 2019 | $128,627 | Rooftop P V Commercial 38.34 Kw T.D. 8/13/19 |
| 161087 | Plumbing / water heater / sewer | Issued | Iss. Mar 6, 2019 | $33,850 | Diesel/Gas Fuel Tank & Pumps. Tank Split - 1000g Diesel, 500g Gasoline |
| 160928 | Electrical / panel | Issued | Iss. Mar 6, 2019 |