600 Nicasio Valley Rd
Nicasio 94946 · Nicasio · Unincorporated Marin · Coordinates: 38.02965, -122.65629
Executive Verdict · Public-Records Synthesis
Zoned ARP-60 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,259,000 ($1,988,000–$2,530,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$175,405 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Jun 11, 2024).
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
Remodel / interior alteration (175583): Issued after 9 mo (3.5× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$26,429/yr at $2,259,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,202/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Parcel & Assessor
- Lot size:
- 3,710,746 sq ft (85.19 ac)
- Assessor use:
- Rural - Improved
- Addresses on lot:
- 600 NICASIO VALLEY RD
Zoning & Land Use
ARP-60 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned ARP-60 (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 ARP-60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned ARP-60 (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 06041C0275D, 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: $1,988,000 – $2,530,000 · Status: Off market
HUD Small Area FMR (ZIP 94946) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- Remodel / interior alteration (175583) (Issued)On this parcel
Issued after 9 mo (3.5× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
Entity-resolved builders & contractors in ½ mile: Hennessey Construction (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Mcdonald Pools (1 on parcel, 1 in ½ mi · Pool / spa); King Electric (1 on parcel, 1 in ½ mi · Electrical / panel); American Solar (1 on parcel, 1 in ½ mi · Solar / battery storage).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B38353 | Solar / battery storage | Issued | Iss. Jun 11, 2024 | $28,580 | 5.88kW Solar PV system with 14kWh of Energy Storage |
| B37960 | Electrical / panel | Issued | Iss. May 7, 2024 | $37,000 | Install pool house 320-amp meter panel, (2) 200-amp feeder and 260 linear feet of trench. — Service Upgrade |
| 175583 | Remodel / interior alteration | Issued | Iss. Dec 7, 2023 | $267,300 | Remodel Of Pool House: Replace (E) Doors, Windows, & Roof, (N) Fixtures & Finishes In Kitchen & 2 Baths |
| 165580 | Pool / spa | Issued | Iss. Sep 1, 2020 | $97,300 | Pool Rmdl T.D. 7-7-20 |