10 Lafranchi Ln
Nicasio 94946 · Nicasio · Unincorporated Marin · Coordinates: 38.06074, -122.70063
Executive Verdict · Public-Records Synthesis
Zoned ARP-7 in Unincorporated Marin and mapped FEMA A flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,090,000 ($1,839,000–$2,341,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$6,720 contributory est.)
Public building records show issued construction/renovation work on this parcel (7 total permits, latest Mar 1, 2023).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (A, about 35% of the lot of lot)
Zone A: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
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
Plumbing / water heater / sewer (90863): Pending in review for 3.7 yr — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 4 Nicasio Creek Rd (320 ft S, applied). 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:
- 125,061 sq ft (2.87 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 10 LAFRANCHI LN
Zoning & Land Use
ARP-7 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned ARP-7 (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-7 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned ARP-7 (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 A: 1% annual chance flood (Special Flood Hazard Area) (about 35% of the lot); Zone X: minimal flood hazard (about 65% 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: $1,839,000 – $2,341,000 · 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
- Plumbing / water heater / sewer (90863) (Applied)On this parcel
Pending in review for 3.7 yr — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
- Plumbing / water heater / sewer (172006) (Issued)On this parcel
Issued after 3 mo — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
- Accessory dwelling unit at 4 Nicasio Creek Rd (Applied)320 ft S
In "Applied" for 5.7 yr (since Feb 24, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 29 Lafranchi Ln (Applied)0.2 mi W
In "Applied" for 5.1 yr (since Oct 19, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Entity-resolved builders & contractors in ½ mile: Richard E Wodehouse (2 on parcel, 2 in ½ mi · New garage / accessory structure); Marco Design Group (1 on parcel, 1 in ½ mi · New garage / accessory structure); Allen Construction (1 on parcel, 1 in ½ mi · Windows / doors / siding); West Coast Project Management (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Summit Electric (1 on parcel, 1 in ½ mi · Solar / battery storage).
Permit & Project History on This Parcel (7 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 90863 | Plumbing / water heater / sewer | Applied | App. Mar 1, 2023 | $20,000 | Graywater & Rainwater System W/ Pumps, Filters, & Piping - Assoc. With P#172006 |
| 172006 | Plumbing / water heater / sewer | Issued | Iss. Jul 28, 2022 | $15,000 | Underground Non-Potable Graywater System - 2000 Gal And 5025 Gal Tanks T.D. 5-25-22 |
| B29206 | Solar / battery storage | Issued | Iss. Mar 28, 2022 | $6,000 | Install a new 12.0kW roof mounted PV system with Energy Storage system 11.52kW |
| 169840 | New garage / accessory structure | Issued | Iss. Nov 5, 2021 | $200,000 | Add Gar Dormer& Trellis; Windows |
| 169839 | New garage / accessory structure | Issued |