160 E Cintura Ave
Lagunitas 94938 · Lagunitas · Unincorporated Marin · Coordinates: 38.01614, -122.70000
Executive Verdict · Public-Records Synthesis
Zoned R1-B3-SGV in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,133,000 ($997,000–$1,269,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-B3-SGV supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 24,481 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$6,400 contributory est.)
Public building records show issued construction/renovation work on this parcel (6 total permits, latest Sep 9, 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home (0.24 mi NW, entitled). 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 (~$13,480/yr at $1,133,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,123/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:
- 24,481 sq ft (0.56 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 160 E CINTURA AVE
Zoning & Land Use
R1-B3-SGV — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B3-SGV (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-B3-SGV, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B3-SGV, a single-family residential zone. The lot is 24,481 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 06041C0275D, 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: $997,000 – $1,269,000 · Status: Off market
HUD Small Area FMR (ZIP 94938) · FY 2026
Studio $2,170 · 1BR $2,610 · 2BR $3,150 · 3BR $4,020 · 4BR $4,200
Developments Deserving Closer Investigation & Active Area Builders
- New home (Entitled)0.24 mi NW
In "Entitled" for 2.1 yr (since Oct 4, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 5 Barranca Rd (Applied)0.4 mi N
In "Applied" for 7.8 yr (since Feb 7, 2019), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Demolition at 138 Rodeo Ave (Issued)0.16 mi SW
Active in "Issued" for 12.8 yr (first record Feb 10, 2014) with no new permit activity recorded in 12.8 yr.
- Accessory dwelling unit at 7090 Sir Francis Drake Blvd (Issued)0.22 mi SE
Active in "Issued" for 9.4 yr (first record Jun 14, 2017) with no new permit activity recorded in 7.5 yr.
Entity-resolved builders & contractors in ½ mile: Ernest Ongaro And Sons (2 on parcel, 2 in ½ mi · Electrical / panel); Modern Method Roofing (1 on parcel, 1 in ½ mi · Roof replacement); The R And D Lab (1 on parcel, 1 in ½ mi · Other); Tesla Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Thompson Electric (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (6 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B48271 | Other | Issued | Iss. Sep 9, 2026 | $8,500 | — |
| B48159 | Electrical / panel | Issued | Iss. Aug 31, 2026 | $3,500 | Service Upgrade |
| B47890 | Roof replacement | Issued | Iss. Aug 17, 2026 | $24,120 | ReRoofing |
| B42881 | HVAC / heat pump | Issued | Iss. Jun 25, 2025 | $24,000 | Replace failed floor furnace with new furnace, cut in 9 runs of new ducting and install AC new — New Ductwork, Mechanica… |
| B42715 | Electrical / panel | Issued | Iss. Jun 11, 2025 | $2,966 |