500 Cerini Rd
Tomales 94971 · Unincorporated Marin · Coordinates: 38.23758, -122.88859
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 $1,093,000 ($929,000–$1,257,000).
Upsides & Opportunities
- ✓ 4 documented municipal building permits on file
On-parcel permit history is indexed through May 26, 2026, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
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)
- ! 1 slow or stalled nearby project within ½ mile
Closest lead: New home at 3765 Tomales-petaluma Rd (0.42 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 (~$13,020/yr at $1,093,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,085/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:
- 4,053,432 sq ft (93.05 ac)
- Assessor use:
- Agricultural - Improved
- Addresses on lot:
- 500 CERINI 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 (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: $929,000 – $1,257,000 · 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
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 2 total building permits recorded within ½ mile.
- Building systems2 permits
Developments Deserving Closer Investigation & Active Area Builders
- New home at 3765 Tomales-petaluma Rd (Issued)0.42 mi NW
Active in "Issued" for 9.2 yr (first record Aug 17, 2017) with no new permit activity recorded in 8.8 yr.
Entity-resolved builders & contractors in ½ mile: Sutter Roofing (2 on parcel, 2 in ½ mi · Roof replacement); Maus Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Ernest Ongaro And Sons (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 |
|---|---|---|---|---|---|
| B46928 | Roof replacement | Issued | Iss. May 26, 2026 | $8,000 | ReRoofing |
| B46926 | Roof replacement | Issued | Iss. May 26, 2026 | $26,000 | ReRoofing; With Electronic Inspection |
| B30275 | Plumbing / water heater / sewer | Issued | Iss. Jul 6, 2022 | $1,500 | 40 GALLON WATER HEATER REPLACEMENT ONLY — Replace Plumbing Fixtures(s) |
| B13099 | Electrical / panel | Issued | Iss. Aug 21, 2017 | $2,797 | REPLACE 100A 120/240V SINGLE PHASE MAIN SVC — Service Upgrade |