450 Vine Rd
Bolinas 94924 · Bolinas · Unincorporated Marin · Coordinates: 37.90133, -122.70899
Executive Verdict · Public-Records Synthesis
Zoned C-RA-B2 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,200,000 ($1,936,000–$2,464,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone C-RA-B2 allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$7,360 contributory est.)
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Aug 29, 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
Solar / battery storage (92014): Pending in review for 2.6 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
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 387 Ocean Pkwy A K A (0.19 mi S, 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)
Parcel & Assessor
- Lot size:
- 46,783 sq ft (1.07 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 450 VINE RD
Zoning & Land Use
C-RA-B2 — Residential Agriculture (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned C-RA-B2 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotCan't tell
Zoned C-RA-B2 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
- SB 9: split into two lotsCan't tell
Zoned C-RA-B2 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
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 06041C0440E, 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: $1,936,000 – $2,464,000 · Status: Off market
HUD Small Area FMR (ZIP 94924) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- Solar / battery storage (92014) (Applied)On this parcel
Pending in review for 2.6 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
- Accessory dwelling unit at 387 Ocean Pkwy A K A (Issued)0.19 mi S
Active in "Issued" for 8.1 yr (first record Oct 16, 2018) with no new permit activity recorded in 6.6 yr.
- New home at 260 Laurel Rd A K A (Issued)0.33 mi SE
Active in "Issued" for 9.7 yr (first record Mar 9, 2017) with no new permit activity recorded in 7.8 yr.
- Demolition at 135 Rosewood Rd (Issued)0.35 mi S
Active in "Issued" for 9.5 yr (first record May 24, 2017) with no new permit activity recorded in 9.5 yr.
Entity-resolved builders & contractors in ½ mile: Origin Solar USA (1 on parcel, 1 in ½ mi · Solar / battery storage); Owner Builder (11 in ½ mi · New garage / accessory structure); Upscale Construction (3 in ½ mi · Demolition); Owner (3 in ½ mi · Addition (adds square footage)); Nemec Construction (2 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B39309 | Solar / battery storage | Issued | Iss. Aug 29, 2024 | $10,000 | Install 5.28kW Solar Roof Mount + x4 Enphase 5P Batteries |
| 92014 | Solar / battery storage | Applied | App. Mar 20, 2024 | $40,000 | Ground Mount 16.21kw Photovoltaic |