427 Bloom Ln
Novato 94947 · Indian Valley · Unincorporated Marin · Coordinates: 38.08937, -122.59709
Executive Verdict · Public-Records Synthesis
Zoned A2-B4 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,277,000 ($1,124,000–$1,430,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$7,680 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Aug 25, 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 0 Indian Valley Rd (0.24 mi E, 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 (~$15,136/yr at $1,277,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,261/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:
- 45,085 sq ft (1.04 ac)
- Assessor use:
- Exemption - Improved
- Addresses on lot:
- 427 BLOOM LN
Zoning & Land Use
A2-B4 — Agriculture Limited (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A2-B4 (agricultural): ADUs are allowed if the zone allows a home, which depends on the zone's rules. The parcel point also falls in Undesignated.
- SB 9: two homes on the lotUnlikely
Zoned A2-B4 (agricultural), not a single-family residential zone. The parcel point also falls in Undesignated.
- SB 9: split into two lotsUnlikely
Zoned A2-B4 (agricultural), not a single-family residential zone. The parcel point also falls in Undesignated.
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 06041C0278D, 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: $1,124,000 – $1,430,000 · Status: Off market
HUD Small Area FMR (ZIP 94947) · FY 2026
Studio $2,250 · 1BR $2,690 · 2BR $3,260 · 3BR $4,160 · 4BR $4,320
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 0 Indian Valley Rd (Applied)0.24 mi E
In "Applied" for 22 mo (since Jan 23, 2025), exceeding the 253d median and 456d 75th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $950,000 declared valuation across 1 permit).
- New home at 419 Bloom Ln (Issued)440 ft NE
Active in "Issued" for 10.6 yr (first record Mar 31, 2016) with no new permit activity recorded in 7.8 yr.
- New home at 1783 Indian Valley Rd (Issued)0.21 mi E
Active in "Issued" for 11.8 yr (first record Jan 14, 2015) with no new permit activity recorded in 11.4 yr.
- New home at 1763 Indian Valley Rd (Issued)0.25 mi E
Active in "Issued" for 12.6 yr (first record Apr 3, 2014) with no new permit activity recorded in 11.4 yr.
Entity-resolved builders & contractors in ½ mile: Exo Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Able Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Solarcity Dba Tesla Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Peter Levi Plumbing (1 on parcel, 1 in ½ mi · HVAC / heat pump); Owner Builder (17 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B43598 | Solar / battery storage | Issued | Iss. Aug 25, 2025 | $12,240 | Rooftop Solar PV with 6.970KW system, 17 modules, 1 tesla powerwall, 4 Tesla MCI-2, 225/125A MPU |
| B41420 | HVAC / heat pump | Issued | Iss. Feb 26, 2025 | $7,000 | Remove & replace furnace located in garage like for like. — Replace Mechanical Appliance |
| 151606 | Roof replacement | Issued | Iss. Apr 13, 2016 | $10,650 | Reroof - E-Insp |
| 141918 | Solar / battery storage | Issued | Iss. Mar 19, 2014 | $8,000 | 2 Kw Roof Mounted Photovoltaic - Express |