300 Alexander Ave
Larkspur 94939 · Larkspur · Coordinates: 37.92996, -122.53059
Parcel & Assessor
- Lot size:
- 11,238 sq ft (0.26 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 300 ALEXANDER AVE; 300 ALEXANDER AVE 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 11,238 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
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0467F, 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: $1,974,000 – $2,670,000 · 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 —)
22 active or recent development projects (23 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)On this parcel
Active in "Issued" for 2.1 yr (first record Sep 23, 2024) with no new permit activity recorded in 2.1 yr.
- New home (Issued)260 ft E
Active in "Issued" for 2.4 yr (first record Jun 17, 2024) with no new permit activity recorded in 2.4 yr.
- New home (Issued)510 ft S
Active in "Issued" for 15 mo (first record Aug 11, 2025) with no new permit activity recorded in 15 mo.
- New home (Issued)0.11 mi NW
Active in "Issued" for 20 mo (first record Mar 11, 2025) with no new permit activity recorded in 20 mo.
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).