115 Wilson Way
Larkspur 94939 · Larkspur · Coordinates: 37.93238, -122.55037
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 $2,314,000 ($1,967,000–$2,661,000).
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 10,759 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)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home (320 ft E, 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:
- 10,759 sq ft (0.25 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 115 WILSON WAY; 115 WILSON WAY UNIT A
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 10,759 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: $1,967,000 – $2,661,000 · 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)
1 active or recent development project (1 housing units across completed, permitted, and pipeline stages) and 1 total building permits recorded within ½ mile.
- Building systems
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)320 ft E
Active in "Issued" for 2 yr (first record Nov 25, 2024) with no new permit activity recorded in 2 yr.
- New home (Entitled)0.1 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)0.1 mi E
Active in "Entitled" for 7.2 yr (first record Sep 10, 2019) with no new permit activity recorded in 7.2 yr.
- New home (Entitled)0.11 mi E
Active in "Entitled" for 7.9 yr (first record Dec 11, 2018) with no new permit activity recorded in 7.9 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).