410 Grandview Ave
Novato 94945 · Black Point · Unincorporated Marin · Coordinates: 38.10245, -122.50073
Executive Verdict · Public-Records Synthesis
Zoned A2 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,303,000 ($1,147,000–$1,459,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$8,118 contributory est.)
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Sep 9, 2021).
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 363 Grandview Ave (340 ft NE, 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 (~$15,435/yr at $1,303,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,286/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:
- 15,028 sq ft (0.34 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 410 GRANDVIEW AVE
Zoning & Land Use
A2 — Agriculture Limited (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A2 (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 (agricultural), not a single-family residential zone. The parcel point also falls in Undesignated.
- SB 9: split into two lotsUnlikely
Zoned A2 (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 06041C0282E, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,147,000 – $1,459,000 · Status: Off market
HUD Small Area FMR (ZIP 94945) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,770 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 363 Grandview Ave (Applied)340 ft NE
In "Applied" for 2.5 yr (since Apr 26, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 315 Laurel Ave (Applied)0.3 mi NE
In "Applied" for 2.8 yr (since Feb 7, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home at 5 Bay Canyon Rd (Applied)0.44 mi N
In "Applied" for 2.3 yr (since Jul 30, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 388 Laurel Ave (was 390) (Issued)0.18 mi E
Active in "Issued" for 5.5 yr (first record May 5, 2021) with no new permit activity recorded in 5.3 yr.
Entity-resolved builders & contractors in ½ mile: Tesla Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Jaj Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Owner Builder (5 in ½ mi · New garage / accessory structure); Owner (4 in ½ mi · Remodel / interior alteration); William Clark Smith Construction (2 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B26951 | Roof replacement | Issued | Iss. Sep 9, 2021 | $9,500 | reroof: Replace approx. 20 sqrs of comp shingles, with tear off — ReRoofing |
| 169087 | Solar / battery storage | Issued | Iss. Aug 13, 2021 | $22,550 | 5.78kw Rooftop Photovoltaic And Energy Storage System |