880 Bolinas Rd
Fairfax 94930 · Unincorporated Fairfax · Unincorporated Marin · Coordinates: 37.97418, -122.61339
Executive Verdict · Public-Records Synthesis
Zoned RMP-1 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,409,000 ($1,240,000–$1,578,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-1 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 (+$11,178 contributory est.)
Public building records show issued construction/renovation work on this parcel (3 total permits, latest Apr 2, 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 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)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: Demolition at 2 Mora Ave (410 ft SW, 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)
- ! Year 1 Prop 13 tax reset (~$16,654/yr at $1,409,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,388/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:
- 35,066 sq ft (0.81 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 880 BOLINAS RD
Zoning & Land Use
RMP-1 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-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-1 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-1 (multifamily residential), 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 X: minimal flood hazard (all of the lot) · FIRM panel 06041C0451E, effective March 17, 2014
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,240,000 – $1,578,000 · Status: Off market
HUD Small Area FMR (ZIP 94930) · FY 2026
Studio $2,230 · 1BR $2,680 · 2BR $3,240 · 3BR $4,140 · 4BR $4,290
Developments Deserving Closer Investigation & Active Area Builders
- Demolition at 2 Mora Ave (Issued)410 ft SW
Active in "Issued" for 4.6 yr (first record Apr 26, 2022) with no new permit activity recorded in 4.5 yr.
- New home (Issued)0.3 mi NE
Active in "Issued" for 6.3 yr (first record Jul 16, 2020) with no new permit activity recorded in 6.3 yr.
- New home at 740 Bolinas Rd (Issued)0.37 mi E
Active in "Issued" for 2.6 yr (first record Apr 12, 2024) with no new permit activity recorded in 2.6 yr.
- Accessory dwelling unit at 45 Bosque Ave (Issued)0.15 mi S
Active in "Issued" for 2.3 yr (first record Jul 31, 2024) with no new permit activity recorded in 6 mo.
Entity-resolved builders & contractors in ½ mile: Solar Optimum (1 on parcel, 1 in ½ mi · Solar / battery storage); Apollo Building And Roofing Group (1 on parcel, 1 in ½ mi · Roof replacement); Bellows Plumbing Heating And Air (1 on parcel, 1 in ½ mi · HVAC / heat pump); Owner Builder (7 in ½ mi · Remodel / interior alteration); Morgan Key Hammon Construction (2 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 |
|---|---|---|---|---|---|
| B37540 | Solar / battery storage | Issued | Iss. Apr 2, 2024 | $27,000 | Installation of an 8.20 kW Roof-Mounted Solar PV System consisting of (20) Modules, and (1) 11.5 kWh Tesla Powerwall 3 W… |
| B35967 | Roof replacement | Issued | Iss. Nov 1, 2023 | $16,800 | Reroof 24SQ tear off install shingles — ReRoofing |
| B27590 | HVAC / heat pump | Issued | Iss. Nov 1, 2021 | $4,000 | Installing 9K Mitsubishi heat pump on the back side of the house. — Mechanical Appliance |