5 A Fox Dr
Inverness 94956 · Inverness · Unincorporated Marin · Coordinates: 38.05452, -122.81274
Executive Verdict · Public-Records Synthesis
Zoned C-RSP-0.144 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,659,000 ($1,460,000–$1,858,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned C-RSP-0.144 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 143,182 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$14,720 contributory est.)
Public building records show issued construction/renovation work on this parcel (6 total permits, latest Jul 8, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone D: possible but undetermined flood hazard)
all of the lot of the parcel intersects Zone D: possible but undetermined 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
New home at 5 Fox Dr: Active in "Issued" for 2.4 yr (first record Jun 6, 2024) with no new permit activity recorded in 2.2 yr.
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: New home at 70 Fox Dr (0.24 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:
- 143,182 sq ft (3.29 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 5A FOX DR; 5 FOX DR
Zoning & Land Use
C-RSP-0.144 — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned C-RSP-0.144 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned C-RSP-0.144, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned C-RSP-0.144, a single-family residential zone. The lot is 143,182 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 D: possible but undetermined flood hazard (all of the lot) · FIRM panel 06041C0237D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,460,000 – $1,858,000 · Status: Off market
HUD Small Area FMR (ZIP 94956) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- New home at 5 Fox Dr (Issued)On this parcel
Active in "Issued" for 2.4 yr (first record Jun 6, 2024) with no new permit activity recorded in 2.2 yr.
- New home at 70 Fox Dr (Issued)0.24 mi W
Active in "Issued" for 5.8 yr (first record Jan 14, 2021) with no new permit activity recorded in 4.3 yr. High-impact scale (1 housing unit, $1,032,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Simply Solar (4 on parcel, 4 in ½ mi · Other); Owner Builder (2 on parcel, 2 in ½ mi · New single-family home); Louis Ptak Construction (2 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (6 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B47435 | Other | Issued | Iss. Jul 8, 2026 | $37,190 | — |
| B47434 | Other | Issued | Iss. Jul 8, 2026 | $37,190 | — |
| B40629 | Solar / battery storage | Issued | Iss. Dec 20, 2024 | $14,840 | PV SOLAR INSTALLATION |
| B40257 | Solar / battery storage | Issued | Iss. Nov 21, 2024 | $14,840 | PV SOLAR INSTALLATION |
| 177624 | New single-family home |