1000 A Marshall Petaluma Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.17842, -122.73315
Executive Verdict · Public-Records Synthesis
Zoned A60 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence.
Upsides & Opportunities
- ✓ 8 documented municipal building permits on file
On-parcel permit history is indexed through Nov 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 High 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
New home at 1000 Marshall Petaluma Rd: Active in "Issued" for 12.7 yr (first record Mar 17, 2014) with no new permit activity recorded in 12 yr.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Parcel & Assessor
- Lot size:
- 25,665,421 sq ft (589.20 ac)
- Assessor use:
- Agricultural - Improved
- Addresses on lot:
- 1000A MARSHALL PETALUMA RD; 1000 MARSHALL PETALUMA RD
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) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all 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 —)
0 active or recent development projects and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- New home at 1000 Marshall Petaluma Rd (Issued)On this parcel
Active in "Issued" for 12.7 yr (first record Mar 17, 2014) with no new permit activity recorded in 12 yr.
- Remodel / interior alteration (182071) (Issued)On this parcel
Issued after 9 mo (3.4× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
- Solar / battery storage (176847) (Issued)On this parcel
Issued after 3 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
- Solar / battery storage (145292) (Issued)On this parcel
Issued after 4 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
Entity-resolved builders & contractors in ½ mile: Owner (2 on parcel, 2 in ½ mi · New single-family home); Alvila Group Construction (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Mei Renewables (1 on parcel, 1 in ½ mi · Solar / battery storage); Juan Calmell (1 on parcel, 1 in ½ mi · Solar / battery storage).
Permit & Project History on This Parcel (8 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94644 | Solar / battery storage | Applied | App. Nov 12, 2026 | $94,750 | (63) (N) Ground Mount Solar Pv, E S S, And Generator Serving A D U. Diff. Submittal Under Bp#182071(New A D U). 10.80 Kw… |
| 182071 | Remodel / interior alteration | Issued | Iss. Jul 9, 2026 | $500,000 | Convert (E) Barn To A D U; Driveway Improvements; Grading & Drainage Work |
| 176847 | Solar / battery storage | Issued | Iss. Jun 10, 2024 | $62,160 | Ground Mount Photovoltaic - 14.76 K W |
| 145698 | Electrical / panel | Issued | Iss. Feb 4, 2015 | $60,000 |