1295 San Antonio Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.18171, -122.65426
Executive Verdict · Public-Records Synthesis
Zoned A60 in Unincorporated Marin and mapped FEMA A flood / CAL FIRE high fire hazard severity zone (state responsibility area) due diligence.
Upsides & Opportunities
- ✓ 5 documented municipal building permits on file
On-parcel permit history is indexed through Mar 13, 2024, 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 15% 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 High Fire Hazard Severity Zone (State Responsibility Area) (about 2% 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
Other (85286): Pending in review for 6.7 yr — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Parcel & Assessor
- Lot size:
- 3,773,516 sq ft (86.63 ac)
- Assessor use:
- Rural - Improved
- Addresses on lot:
- 1295 SAN ANTONIO RD; 1295 SAN ANTONIO RD BLDG 1; 1295 SAN ANTONIO RD BLDG 2
Zoning & Land Use
A60 — Agriculture and Conservation (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A60 (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 A60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A60 (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 2% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 98% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone A: 1% annual chance flood (Special Flood Hazard Area) (about 15% of the lot); Zone X: minimal flood hazard (about 85% of the lot) · FIRM panel 06041C0150D, 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 1 total building permits recorded within ½ mile.
- Other1 permit
Developments Deserving Closer Investigation & Active Area Builders
- Other (85286) (Applied)On this parcel
Pending in review for 6.7 yr — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Entity-resolved builders & contractors in ½ mile: Simpson Sheet Metal (3 on parcel, 3 in ½ mi · HVAC / heat pump); Chb Electric (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B37331 | HVAC / heat pump | Issued | Iss. Mar 13, 2024 | $21,000 | HACIENDA HOUSE - install (3) indoor ceiling mount 1-way cassettes, connect to (1) outdoor Heat Pump — Mechanical Applian… |
| B37330 | HVAC / heat pump | Issued | Iss. Mar 13, 2024 | $25,000 | DAIRY HOUSE - Install (3) ductless wall mount units to (1) outdoor heat pump — Replace Mechanical Appliance |
| B37327 | HVAC / heat pump | Issued | Iss. Mar 13, 2024 | $32,348 | FARM HOUSE - remove gas furnace. Install new ducted heat pump with alumaflex duct work in the attic — New Ductwork, Mech… |
| B28704 | Electrical / panel | Issued | Iss. Feb 12, 2022 | $2,000 | Replace Meter Main Panel Like for Like 200amp 120/240V 1phase — Service Upgrade |
| 85286 |