4 Blue Oak Ct
San Rafael 94903 · Lucas Valley · Unincorporated Marin · Coordinates: 38.03602, -122.58809
Executive Verdict · Public-Records Synthesis
Zoned RMP-0.345 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,369,000 ($1,205,000–$1,533,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-0.345 allows residential use qualifying for ministerial ADU review under state law (1 ADU permit permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$17,607 contributory est.)
Public building records show issued construction/renovation work on this parcel (7 total permits, latest Nov 13, 2024).
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
Electrical / panel (81992): Pending in review for 8.5 yr — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 1 Golden Lily Pl (0.13 mi 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:
- 6,142 sq ft (0.14 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 4 BLUE OAK CT
Zoning & Land Use
RMP-0.345 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-0.345 (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-0.345 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-0.345 (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 06041C0287D, 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: $1,205,000 – $1,533,000 · Status: Off market
HUD Small Area FMR (ZIP 94903) · FY 2026
Studio $2,880 · 1BR $3,450 · 2BR $4,180 · 3BR $5,340 · 4BR $5,530
Developments Deserving Closer Investigation & Active Area Builders
- Electrical / panel (81992) (Applied)On this parcel
Pending in review for 8.5 yr — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
- Accessory dwelling unit at 1 Golden Lily Pl (Applied)0.13 mi S
In "Applied" for 4.8 yr (since Jan 20, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Demolition at 2000 Lucas Valley Rd (Applied)0.35 mi SE
In "Applied" for 4.4 yr (since Jun 7, 2022), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
- Accessory dwelling unit at 42 Oak Mountain Ct (Applied)0.37 mi SE
In "Applied" for 5.5 yr (since Apr 30, 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: Tesla Energy (3 on parcel, 3 in ½ mi · Electrical / panel); Earl Adams Tile Coping And Plastering Adams Pool Solutions (1 on parcel, 2 in ½ mi · General repair); Northwest Exteriors (2 on parcel, 2 in ½ mi · Windows / doors / siding); Sunrun Installation Services (1 on parcel, 1 in ½ mi · Solar / battery storage); Owner Builder (13 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (7 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B40167 | Windows / doors / siding | Issued | Iss. Nov 13, 2024 | $4,956 | Replace 3 windows like for like, retrofit — Non-structural Door/Window Replacement |
| B38125 | Solar / battery storage | Issued | Iss. May 21, 2024 | $29,390 | PV Solar 8100W DC, 5760W AC, (20) Modules, (2) 13.5 KWh ESS, Span Panel Installed |
| B37249 | Windows / doors / siding | Issued | Iss. Mar 7, 2024 | $22,850 | Replace 4 patio doors all like for like — Non-structural Door/Window Replacement |
| 173635 | General repair | Issued | Iss. Mar 24, 2023 | $3,700 | Repair/Remodel Pool: Remove & Replace Tile, Coping, & Light Bulb; Channel Drain; Replace Plumbing With Autofill |
| 81992 | Electrical / panel |