22222 State Route 1
Marshall 94940 · Unincorporated Marin · Coordinates: 38.18799, -122.91074
Executive Verdict · Public-Records Synthesis
Zoned C-APZ-60 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,537,000 ($1,306,000–$1,768,000).
Upsides & Opportunities
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Sep 16, 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 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)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home at 22495 State Route (0.3 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)
- ! Year 1 Prop 13 tax reset (~$18,126/yr at $1,537,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,510/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:
- 983,803 sq ft (22.59 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 22222 STATE ROUTE 1
Zoning & Land Use
C-APZ-60 — Agriculture Production Zone (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned C-APZ-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-APZ-60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned C-APZ-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) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0085E, 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: $1,306,000 – $1,768,000 · Status: Off market
HUD Small Area FMR (ZIP 94940) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,870 · 4BR $4,090
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 17 total building permits recorded within ½ mile.
- New construction2 permits
Developments Deserving Closer Investigation & Active Area Builders
- New home at 22495 State Route (Issued)0.3 mi W
Active in "Issued" for 5.1 yr (first record Sep 23, 2021) with no new permit activity recorded in 3.6 yr. High-impact scale (1 housing unit, $2,853,304 declared valuation across 2 permits).
- New home at 22188 State Route 1 Unit (Issued)0.35 mi SE
Active in "Issued" for 12.7 yr (first record Mar 13, 2014) with no new permit activity recorded in 10.8 yr.
- Demolition at 22553 State Route (Issued)0.39 mi NW
Active in "Issued" for 5.8 yr (first record Jan 7, 2021) with no new permit activity recorded in 5.6 yr.
- New home at 22667 State Route (Issued)0.46 mi NW
Active in "Issued" for 5.6 yr (first record Apr 1, 2021) with no new permit activity recorded in 2.3 yr.
Entity-resolved builders & contractors in ½ mile: Coast Electric Solutions (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (5 in ½ mi · New garage / accessory structure); Fairweather And Associates (2 in ½ mi · Demolition); Gray Shape (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 |
|---|---|---|---|---|---|
| B43903 | Electrical / panel | Issued | Iss. Sep 16, 2025 | $3,500 | Upgrade electrical meter panel from 100 A to 200 A — Service Upgrade |