1 Dam Rd
Nicasio 94946 · Nicasio · Unincorporated Marin · Coordinates: 38.07577, -122.74793
Executive Verdict · Public-Records Synthesis
Zoned ARP-20 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,338,000 ($2,057,000–$2,619,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$17,280 contributory est.)
Public building records show issued construction/renovation work on this parcel (3 total permits, latest Apr 21, 2025).
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 (166003): Pending in review for 6.9 yr (30.4× 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)
- ! 2 slow or stalled nearby projects within ½ mile
Closest lead: New home (0.2 mi E, entitled). 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:
- 90,213 sq ft (2.07 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 1 DAM RD
Zoning & Land Use
ARP-20 — Agriculture Residential Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned ARP-20 (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-20 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned ARP-20 (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: $2,057,000 – $2,619,000 · 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 (166003) (Applied)On this parcel
Pending in review for 6.9 yr (30.4× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
- New home (Entitled)0.2 mi E
In "Entitled" for 4.9 yr (since Dec 3, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 95 Indian Hill Rd (aka 100) (Issued)0.24 mi S
Active in "Issued" for 4.8 yr (first record Jan 24, 2022) with no new permit activity recorded in 4.5 yr.
- New home at 40 Laurel Canyon Rd (Finaled / completed)0.4 mi E
High-impact scale (1 housing unit, $2,600,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Northern Pacific Power (1 on parcel, 1 in ½ mi · Solar / battery storage); Majoue William Paul (1 on parcel, 1 in ½ mi · Electrical / panel); Fairweather And Associates (3 in ½ mi · New garage / accessory structure); Owner Builder (1 in ½ mi · Accessory dwelling unit (new or conversion)).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 179088 | Solar / battery storage | Issued | Iss. Apr 21, 2025 | $65,935 | Install 10.32kw Solar Pv Ground Mount System With E S S |
| 166003 | Remodel / interior alteration | Applied | App. Dec 19, 2019 | $160,000 | Remodel, Incl Stuctural Windows T.D. 1-2-20 |
| 141958 | Electrical / panel | Issued | Iss. Mar 20, 2014 | $2,000 | Replace Electrical @The Well |