431 E Strawberry Dr
Mill Valley 94941 · Strawberry · Unincorporated Marin · Coordinates: 37.88707, -122.50107
Parcel & Assessor
- Lot size:
- 32,104 sq ft (0.74 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 431 E STRAWBERRY DR
Zoning & Land Use
RSP-1-BFC — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-1-BFC (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned RSP-1-BFC, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AE) covers about 34% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned RSP-1-BFC, a single-family residential zone. The lot is 32,104 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AE) covers about 34% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
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 AE: 1% annual chance flood (Special Flood Hazard Area) (about 34% of the lot); Zone X: minimal flood hazard (about 53% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 13% of the lot) · FIRM panel 06041C0469F, 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: $2,309,000 – $2,939,000 · Status: Off market
HUD Small Area FMR (ZIP 94941) · FY 2026
Studio $2,730 · 1BR $3,270 · 2BR $3,960 · 3BR $5,060 · 4BR $5,240
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 416 E Strawberry Dr A K A (Issued)0.1 mi NW
Active in "Issued" for 8.1 yr (first record Sep 19, 2018) with no new permit activity recorded in 7.9 yr.
- Demolition at 16 Egret Way (Issued)0.27 mi SE
Active in "Issued" for 12 yr (first record Nov 5, 2014) with no new permit activity recorded in 11.9 yr.
- Demolition at 604 Seminary Dr (Issued)0.29 mi SW
Active in "Issued" for 7.3 yr (first record Jul 17, 2019) with no new permit activity recorded in 7.3 yr.
- Demolition at 171 Great Cir Dr (Applied)0.33 mi S
Active in "Applied" for 14 mo (first record Aug 14, 2025) with no new permit activity recorded in 14 mo.
Permit & Project History on This Parcel (8 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94247 | Accessory dwelling unit (new or conversion) | Applied | App. May 26, 2026 | $400,000 | New Detached A D U, 798 Sq Ft |
| 181562 | Remodel / interior alteration | Issued | Iss. Apr 23, 2026 | $75,000 | Add Bath Within Footprint |
| 173171 | Addition (adds square footage) | Issued | Iss. Jan 10, 2023 | $7,500 | Additon: Expand Living Room Into [E] Deck Addendum To Permit #166734 |
| B31578 | Solar / battery storage | Issued | Iss. Oct 28, 2022 | $105,188 | (N) FLUSH MOUNTED 14.80 kW PV SYSTEM WITH (N) 40.32 kWh BATTERY STORAGE, GRID TIED MICROINVERTERS |