No situs address on record
· Lucas Valley Environs · Unincorporated Marin · Coordinates: 38.03572, -122.60876
Executive Verdict · Public-Records Synthesis
Zoned RMP-0.1 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,077,000 ($1,765,000–$2,389,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-0.1 allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$77,080 contributory est.)
Public building records show issued construction/renovation work on this parcel (8 total permits, latest Dec 15, 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
New home at 3001 Lucas Valley Rd: Active in "Issued" for 3.4 yr (first record Jun 29, 2023) with no new permit activity recorded in 2.7 yr. High-impact scale (1 housing unit, $3,150,000 declared valuation across 1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$24,336/yr at $2,077,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,028/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:
- 2,684,777 sq ft (61.63 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 1
Zoning & Land Use
RMP-0.1 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-0.1 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RMP-0.1 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-0.1 (multifamily residential), 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 06041C0286D, 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: $1,765,000 – $2,389,000 · Status: Off market
HUD Metro FMR (San Francisco, CA HUD Metro FMR Area) · FY 2026
Studio $2,485 · 1BR $2,977 · 2BR $3,604 · 3BR $4,604 · 4BR $4,772
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 1 total building permits recorded within ½ mile.
- Building systems1 permit
Developments Deserving Closer Investigation & Active Area Builders
- New home at 3001 Lucas Valley Rd (Issued)On this parcel
Active in "Issued" for 3.4 yr (first record Jun 29, 2023) with no new permit activity recorded in 2.7 yr. High-impact scale (1 housing unit, $3,150,000 declared valuation across 1 permit).
- New home at 3001 Lucas Valley Rd (Issued)On this parcel
Active in "Issued" for 6.9 yr (first record Dec 19, 2019) with no new permit activity recorded in 5.1 yr. High-impact scale (1 housing unit, $2,410,000 declared valuation across 1 permit).
- New single-family home (169388) (Issued)On this parcel
Issued after 21 mo (2.5× the 253d median) — above the 75th percentile for new single-family home permits in Unincorporated Marin (median 253d, 75th pct 456d, n=121).
Entity-resolved builders & contractors in ½ mile: Forma Construction (6 on parcel, 6 in ½ mi · New garage / accessory structure); Redhorse Constructors (1 on parcel, 3 in ½ mi · New garage / accessory structure); Bright Energy Group (1 on parcel, 1 in ½ mi · Solar / battery storage).
Permit & Project History on This Parcel (8 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B44964 | Solar / battery storage | Issued | Iss. Dec 15, 2025 | $70,000 | Solar roof mount 115.8 KW, 181 solar panels, 20 batteries |
| 177743 | General repair | Issued | Iss. Sep 30, 2024 | $10,000 | Pool Equipment Pad & Retaining Wall *Same Plans At Bp#176060-4* |
| 176064 | Pool / spa | Issued | Iss. Feb 26, 2024 | $25,000 | Cold Plunge |
| 176063 | New garage / accessory structure |