1140 Tomales Petaluma Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.25591, -122.81896
Executive Verdict · Public-Records Synthesis
Zoned A40 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence.
Upsides & Opportunities
- ✓ 3 documented municipal building permits on file
On-parcel permit history is indexed through Jan 12, 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 commercial building at 1315 Tomales Petaluma Rd (0.26 mi W, 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:
- 112,908 sq ft (2.59 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 1140 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 X: minimal flood hazard (all 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)0.26 mi W
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 (2 on parcel, 2 in ½ mi · Electrical / panel); Owner (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B45439 | Electrical / panel | Issued | Iss. Jan 12, 2026 | $4,000 | NEW AGRICULTURE 200 AMP 240V 1 PHASE METER MAIN OVERHEAD SERVICE — Service Upgrade |
| B45436 | Electrical / panel | Issued | Iss. Jan 12, 2026 | $4,000 | LIKE FOR LIKE 200 AMP 240V 1PH OVERHEAD METER MAIN SERVICE PANEL UPGRADE. WILL BE RELOCATING SERVICE PANEL FROM MOUNT ON… |
| 155918 | Electrical / panel | Issued | Iss. Jul 6, 2017 | $1,000 | New Panel For Ag Use |