100 Lighthouse Rd
Inverness 94937 · Unincorporated Marin · Coordinates: 37.99582, -123.00359
Executive Verdict · Public-Records Synthesis
Zoned C-ARP-60 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,630,000 ($1,386,000–$1,874,000).
Upsides & Opportunities
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Oct 29, 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 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) (about 12% 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 garage / accessory structure (172932): Issued after 2.3 yr (5.2× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$19,195/yr at $1,630,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,600/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:
- 62,465 sq ft (1.43 ac)
- Assessor use:
- —
- Addresses on lot:
- 100 LIGHTHOUSE RD
Zoning & Land Use
C-ARP-60 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned C-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 C-ARP-60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned C-ARP-60 (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) (about 12% of the lot, map Apr 1, 2024); Very High Fire Hazard Severity Zone (State Responsibility Area) (about 88% 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 06041C0360E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,386,000 – $1,874,000 · Status: Off market
HUD Small Area FMR (ZIP 94937) · FY 2026
Studio $2,400 · 1BR $2,870 · 2BR $3,480 · 3BR $4,450 · 4BR $4,610
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 garage / accessory structure (172932) (Issued)On this parcel
Issued after 2.3 yr (5.2× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
Entity-resolved builders & contractors in ½ mile: Tri Square Construction (1 on parcel, 1 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (1 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 172932 | New garage / accessory structure | Issued | Iss. Oct 29, 2024 | $150,000 | A T&T: New Cell Site With Cabinets, Antenna Pole; Generator; H V A C |