1130 Tomales Petaluma Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.25687, -122.81773
Executive Verdict · Public-Records Synthesis
Zoned A40 in Unincorporated Marin and mapped FEMA A flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence.
Upsides & Opportunities
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Jan 15, 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
- ! FEMA Special Flood Hazard Area (A, about 8% of the lot of lot)
Zone A: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
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 commercial building at 1315 Tomales Petaluma Rd (0.35 mi SW, 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)
Parcel & Assessor
- Lot size:
- 535,047 sq ft (12.28 ac)
- Assessor use:
- Agricultural - Improved
- Addresses on lot:
- 1130 TOMALES PETALUMA RD
Zoning & Land Use
A40 — Agriculture and Conservation (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A40 (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 A40 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A40 (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 A: 1% annual chance flood (Special Flood Hazard Area) (about 8% of the lot); Zone X: minimal flood hazard (about 92% of the lot) · FIRM panel 06041C0075D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
HUD Small Area FMR (ZIP 94952) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $4,010 · 4BR $4,280
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 5 total building permits recorded within ½ mile.
- Building systems5 permits
Developments Deserving Closer Investigation & Active Area Builders
- New commercial building at 1315 Tomales Petaluma Rd (Issued)0.35 mi SW
Active in "Issued" for 6.6 yr (first record Apr 6, 2020) with no new permit activity recorded in 5.9 yr.
Entity-resolved builders & contractors in ½ mile: Tim Mc Closkey Electric (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (1 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B45481 | Electrical / panel | Issued | Iss. Jan 15, 2026 | $4,000 | INSTALLATION OF A NEW 200 AMP, 240V, 1 PHASE METER MAIN PANEL OVERHEAD SERVICE. SERVICE PANEL WILL BE MOUNTED ON A PANEL… |