160 A Wilson Way
Larkspur 94939 · Larkspur · Coordinates: 37.93198, -122.55171
Executive Verdict · Public-Records Synthesis
Zoned R-1 in Larkspur with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (local responsibility area) due diligence; benchmark value $2,311,000 ($1,964,000–$2,658,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R-1 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 10,585 sq ft lot.
Source: Larkspur zoning · CA Gov. Code 66314 & 65852.21
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 (Local 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 Mar 24, 2025)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: New home at 51 Blue Ridge Rd (0.5 mi NW, issued). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
- ! Bulk building permits not published for Larkspur
Permit counts and nearby activity on this page may omit municipal counter records. Request a parcel permit report directly from the local building department.
Source: Source coverage registry (Larkspur)
Parcel & Assessor
- Lot size:
- 10,585 sq ft (0.24 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 160A WILSON WAY; 160 WILSON WAY
Zoning & Land Use
R-1 (Larkspur)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-1 (single-family residential): state law allows ADUs where homes are allowed. We read R-1 from the zoning code's name; we haven't checked it against Larkspur's code text.
- SB 9: two homes on the lotLikely eligible
Zoned R-1, a single-family residential zone. We read R-1 from the zoning code's name; we haven't checked it against Larkspur's code text.
- SB 9: split into two lotsLikely eligible
Zoned R-1, a single-family residential zone. We read R-1 from the zoning code's name; we haven't checked it against Larkspur's code text. The lot is 10,585 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
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0466F, 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: $1,964,000 – $2,658,000 · Status: Off market
HUD Small Area FMR (ZIP 94939) · FY 2026
Studio $2,820 · 1BR $3,380 · 2BR $4,090 · 3BR $5,220 · 4BR $5,420
Nearby Activity (½ mile radius, since November 2024)
2 active or recent development projects (2 housing units across completed, permitted, and pipeline stages) and 4 total building permits recorded within ½ mile.
- New construction
Developments Deserving Closer Investigation & Active Area Builders
- New home at 51 Blue Ridge Rd (Issued)0.5 mi NW
Active in "Issued" for 16 mo (first record Jul 11, 2025) with no new permit activity recorded in 12 mo. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- New home (Issued)0.14 mi E
Active in "Issued" for 2 yr (first record Nov 25, 2024) with no new permit activity recorded in 2 yr.
- New home (Entitled)0.18 mi E
Active in "Entitled" for 6.6 yr (first record Apr 14, 2020) with no new permit activity recorded in 6.6 yr.
- New home (Entitled)0.18 mi E
Active in "Entitled" for 7.2 yr (first record Sep 10, 2019) with no new permit activity recorded in 7.2 yr.
Permit & Project History on This Parcel (0 permits, 1 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 1 entry (report years 2024).