5935 Red Hill Rd
Petaluma 94952 · Unincorporated Marin · Coordinates: 38.15852, -122.67624
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
- ✓ 16 documented municipal building permits on file
On-parcel permit history is indexed through Sep 26, 2025, 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
Roof replacement (156068): Issued after 2 mo — slower than 90% of roof replacement permits in Unincorporated Marin (median 0d, 90th pct 0d, n=3,663).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Parcel & Assessor
- Lot size:
- 16,600,977 sq ft (381.11 ac)
- Assessor use:
- Agricultural - Improved
- Addresses on lot:
- 5935 RED HILL RD; 5935 RED HILL RD BLDG 1; 5935 RED HILL RD BLDG 10
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
- Roof replacement (156068) (Issued)On this parcel
Issued after 2 mo — slower than 90% of roof replacement permits in Unincorporated Marin (median 0d, 90th pct 0d, n=3,663).
- Other (154654) (Issued)On this parcel
Issued after 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Entity-resolved builders & contractors in ½ mile: Capstone Roofing (6 on parcel, 6 in ½ mi · Roof replacement); Scott And Warner Bldrs (4 on parcel, 4 in ½ mi · Addition (adds square footage)); Henris Roofing (2 on parcel, 2 in ½ mi · Roof replacement); Patriot Mechanical Dba; Trahan And Sons (1 on parcel, 1 in ½ mi · HVAC / heat pump); Adams Refrigeration Service A California (1 on parcel, 1 in ½ mi · HVAC / heat pump).
Permit & Project History on This Parcel (16 permits, 0 grouped projects)
Showing 15 most recent permits| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B44078 | Roof replacement | Issued | Iss. Sep 26, 2025 | $9,750 | Remove existing roof. Install with new Lifetime Class A composition shingles on the Pesticide Room and Storage — ReRoofi… |
| B42495 | Roof replacement | Issued | Iss. May 22, 2025 | $13,750 | Remove existing roof. Install with new Lifetime Class A composition shingles. - Lake Cottage — ReRoofing |
| B38246 | Roof replacement | Issued | Iss. May 31, 2024 | $76,450 | Remove existing roof. Install with new Lifetime Class A composition shingles. Frantoio Building — ReRoofing |
| B38244 | Roof replacement | Issued | Iss. May 31, 2024 | $42,250 | Remove existing roof. Install with new Lifetime Class A composition shingles. For Winery Building — ReRoofing |