101 S San Antonio Rd
Petaluma 94952 · North Novato · Unincorporated Marin · Coordinates: 38.17420, -122.60402
Executive Verdict · Public-Records Synthesis
Zoned A60 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,359,000 ($1,155,000–$1,563,000).
Upsides & Opportunities
- ✓ 9 documented municipal building permits on file
On-parcel permit history is indexed through Sep 17, 2026, 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 94% 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
Plumbing / water heater / sewer (90137): Pending in review for 4.3 yr — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$16,079/yr at $1,359,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,340/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:
- 8,774,465 sq ft (201.43 ac)
- Assessor use:
- Commercial - Improved
- Addresses on lot:
- 101 S SAN ANTONIO RD
Zoning & Land Use
A60 — Agriculture and Conservation (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A60 (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 A60 (agricultural), not a single-family residential zone. The parcel point also falls in Undesignated.
- SB 9: split into two lotsUnlikely
Zoned A60 (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) (about 94% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 6% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0161E, 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: $1,155,000 – $1,563,000 · Status: Off market
HUD Small Area FMR (ZIP 94952) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $4,010 · 4BR $4,280
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 1 total building permits recorded within ½ mile.
- Demolition1 permit
Developments Deserving Closer Investigation & Active Area Builders
- Plumbing / water heater / sewer (90137) (Applied)On this parcel
Pending in review for 4.3 yr — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
- General repair (90030) (Applied)On this parcel
Pending in review for 4.4 yr (19.3× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
Entity-resolved builders & contractors in ½ mile: Simply Solar (2 on parcel, 2 in ½ mi · Roof replacement); Liza Ingrasci (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Crandall Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Stephen L Johnson Innovative (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (9 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94530 | Demolition | Applied | App. Sep 17, 2026 | $2,000 | Demolition Of Public Spa Registered To Health Dept In Order To Remove Spa From Health Dept. Database, Demolition Of Asso… |
| 90137 | Plumbing / water heater / sewer | Applied | App. Jul 25, 2022 | $100,000 | 200 K W Backup Generator With 750 Gal Fuel Tank; Utility Area |
| 90030 | General repair | Applied | App. Jun 21, 2022 | $21,100 | Resurface Pool, Add Depth Markers And Railings |
| B29244 | Plumbing / water heater / sewer | Issued | Iss. Apr 13, 2022 | $10,972 | This maintenance permit application is for a hot water heater which was installed by the previous owner in 3/2019. We ac… |
| B23002 | Roof replacement |