805 Atherton Ave
Novato 94945 · North Novato · Unincorporated Marin · Coordinates: 38.11519, -122.55565
Executive Verdict · Public-Records Synthesis
Zoned A2-B4-HOD in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,152,000 ($1,014,000–$1,290,000).
Upsides & Opportunities
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through Sep 29, 2023, 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 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)
- ! Delayed or open permit activity on this parcel
Remodel / interior alteration (89368): Pending in review for 4.9 yr (21.4× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
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 675 Atherton Ave (0.46 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:
- 528,165 sq ft (12.13 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 805 ATHERTON AVE; 811 ATHERTON AVE
Zoning & Land Use
A2-B4-HOD — Agriculture Limited (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A2-B4-HOD (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-HOD (agricultural), not a single-family residential zone. The parcel point also falls in Undesignated.
- SB 9: split into two lotsUnlikely
Zoned A2-B4-HOD (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
- 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 06041C0281E, 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: $1,014,000 – $1,290,000 · 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
- New home at 675 Atherton Ave (Applied)0.46 mi E
In "Applied" for 5.5 yr (since May 18, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $1,500,000 declared valuation across 3 permits).
- Remodel / interior alteration (89368) (Applied)On this parcel
Pending in review for 4.9 yr (21.4× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
- Accessory dwelling unit at 2 Equestrian Ct (Applied)0.17 mi NW
In "Applied" for 5.6 yr (since Mar 23, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home (Entitled)0.36 mi SW
In "Entitled" for 6 yr (since Oct 26, 2020), 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: Owner (1 on parcel, 4 in ½ mi · New single-family home); Schalich Brothers Construction (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Owner Builder (11 in ½ mi · Addition (adds square footage)); Rjdj (4 in ½ mi · Pool / spa); Anello Painting And Construction (2 in ½ mi · Accessory dwelling unit (new or conversion)).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B35586 | Plumbing / water heater / sewer | Issued | Iss. Sep 29, 2023 | $7,000 | Replace/extend existing waterline from house to external storage area. — Replace Plumbing Fixtures(s) |
| 89368 | Remodel / interior alteration | Applied | App. Dec 30, 2021 | $250,000 | Interior Remodel - 2nd Floor; Decks; (N) Stairs; Windows; Roof T.D. 1/14/22 |