2151 Fallon Two Rock Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.27260, -122.86443
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
- ✓ 4 documented municipal building permits on file
On-parcel permit history is indexed through Dec 2, 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
- ! 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
Other (178105): Issued after 7 mo — 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)
- ! 1 slow or stalled nearby project within ½ mile
Closest lead: Mixed-use development at 1870 Fallon Two Rock Rd (0.44 mi E, 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:
- 188,441 sq ft (4.33 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 2151 FALLON TWO ROCK 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 2 total building permits recorded within ½ mile.
- Building systems1 permit
- Other1 permit
Developments Deserving Closer Investigation & Active Area Builders
- Other (178105) (Issued)On this parcel
Issued after 7 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
- Mixed-use development at 1870 Fallon Two Rock Rd (Issued)0.44 mi E
Active in "Issued" for 8.6 yr (first record Apr 5, 2018) with no new permit activity recorded in 7.1 yr.
Entity-resolved builders & contractors in ½ mile: Precedent Construction (1 on parcel, 1 in ½ mi · Other); American Array Solar (1 on parcel, 1 in ½ mi · Solar / battery storage); Wedge Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Owner (1 on parcel, 1 in ½ mi · EV charger); Owner Builder (2 in ½ mi · New commercial / non-residential building).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 178105 | Other | Issued | Iss. Dec 2, 2024 | $179,749 | Ag Exempt Livestock Barn |
| B31327 | Solar / battery storage | Issued | Iss. Oct 7, 2022 | $38,000 | ROOF MOUNTED SOLAR PHOTOVOLTAIC SYSTEM SIZE: 7.600 kW + INSTALLATION OF 1 ENPHASE ENCHARGE 3 + 1 ENPHASE ENCHARGE 10 BAT… |
| B30536 | EV charger | Issued | Iss. Jul 28, 2022 | $3,000 | Replace existing 200 Amp main electrical panel with new, add one 220v dedicated 60 Amp circuit for electric vehicle with… |
| B20118 | Roof replacement | Issued | Iss. Oct 15, 2019 | $17,225 | Remove existing roof down to sheathing. Prepare existing sheathing for new roof . Install Gaf Lifetime HD shingles — ReR… |