179 Toyon Dr
Fairfax 94930 · Unincorporated Fairfax · Unincorporated Marin · Coordinates: 37.98123, -122.60115
Executive Verdict · Public-Records Synthesis
Zoned R1-B3 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,343,000 ($1,182,000–$1,504,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-B3 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 14,593 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ 6 documented municipal building permits on file
On-parcel permit history is indexed through Feb 5, 2024, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
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) (about 24% 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 111 Toyon Dr (0.14 mi W, 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)
- ! Year 1 Prop 13 tax reset (~$15,895/yr at $1,343,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,325/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:
- 14,593 sq ft (0.34 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 179 TOYON DR
Zoning & Land Use
R1-B3 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B3 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-B3, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B3, a single-family residential zone. The lot is 14,593 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- High Fire Hazard Severity Zone (State Responsibility Area) (about 24% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 76% 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: $1,182,000 – $1,504,000 · 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
- Accessory dwelling unit at 111 Toyon Dr (Applied)0.14 mi W
In "Applied" for 4.2 yr (since Sep 1, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home (Entitled)0.37 mi SE
In "Entitled" for 8.1 yr (since Oct 23, 2018), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home (Issued)520 ft SE
Active in "Issued" for 6.1 yr (first record Oct 19, 2020) with no new permit activity recorded in 6.1 yr.
- New home (Issued)0.15 mi SW
Active in "Issued" for 4.4 yr (first record Jul 5, 2022) with no new permit activity recorded in 4.4 yr.
Entity-resolved builders & contractors in ½ mile: Jec Stone (2 on parcel, 2 in ½ mi · Other); Luminalt Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Empire Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Crown Ridge Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Milano Mechanical (1 on parcel, 1 in ½ mi · HVAC / heat pump).
Permit & Project History on This Parcel (6 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B36922 | HVAC / heat pump | Issued | Iss. Feb 5, 2024 | $2,000 | Replace 50 Gallon gas water heater with new 80 gallon Rheem Prestige heat pump water heater. — Replace Plumbing Fixtures… |
| B36762 | Roof replacement | Issued | Iss. Jan 19, 2024 | $25,000 | Remove one layer of asphalt roof shingles down to the plywood and install new vapor barrier underlayment -Install new st… |
| B34904 | Other | Issued | Iss. Jul 28, 2023 | $10,000 | To install an automatic natural gas-powered stand-by Generac generator. |
| B34228 | Windows / doors / siding | Issued | Iss. Jun 15, 2023 | $150,000 | Remove existing old redwood cedar shingles and replacing with board and batten. Remove existing aluminum windows and doo… |
| 146470 |