10 Grandview Ave
Novato 94945 · Black Point · Unincorporated Marin · Coordinates: 38.10865, -122.50568
Executive Verdict · Public-Records Synthesis
Zoned VCR in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,328,000 ($1,169,000–$1,487,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone VCR allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$47,250 contributory est.)
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Jun 3, 2026).
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
Addition (adds square footage) (181808): Issued after 3 yr (6.9× the 160d median) — slower than 90% of addition (adds square footage) permits in Unincorporated Marin (median 160d, 90th pct 440d, n=316).
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: New home at 5 Bay Canyon Rd (0.11 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)
Parcel & Assessor
- Lot size:
- 13,024 sq ft (0.30 ac)
- Assessor use:
- Commercial - Improved
- Addresses on lot:
- 10 GRANDVIEW AVE
Zoning & Land Use
VCR — Village Commercial Residential (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned VCR (mixed use): state law allows ADUs where homes are allowed. The parcel point also falls in Undesignated. 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 VCR (mixed use), not a single-family residential zone. The parcel point also falls in Undesignated.
- SB 9: split into two lotsUnlikely
Zoned VCR (mixed use), 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: $1,169,000 – $1,487,000 · 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
- Addition (adds square footage) (181808) (Issued)On this parcel
Issued after 3 yr (6.9× the 160d median) — slower than 90% of addition (adds square footage) permits in Unincorporated Marin (median 160d, 90th pct 440d, n=316).
- New home at 5 Bay Canyon Rd (Applied)0.11 mi E
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).
- New home (Entitled)0.4 mi SW
In "Entitled" for 2 yr (since Nov 13, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 8 Glen Ln (Applied)0.41 mi W
In "Applied" for 2.4 yr (since Jul 2, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Entity-resolved builders & contractors in ½ mile: Champie Bros (1 on parcel, 1 in ½ mi · Addition (adds square footage)); V Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (6 in ½ mi · Remodel / interior alteration); Tj Built Construction (4 in ½ mi · Accessory dwelling unit (new or conversion)); Owner (4 in ½ mi · New single-family home).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 181808 | Addition (adds square footage) | Issued | Iss. Jun 3, 2026 | $63,000 | Commercial Office Addition - B W O P |
| B38849 | Electrical / panel | Issued | Iss. Jul 23, 2024 | $1,500 | Run 2 dedicated circuits for 2 septic pump alarm. — New Circuits / Outlets |