427 A Strawberry Dr
Mill Valley 94941 · Strawberry · Unincorporated Marin · Coordinates: 37.88737, -122.50165
Parcel & Assessor
- Lot size:
- 16,466 sq ft (0.38 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 427A STRAWBERRY DR; 427 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 lotLikely eligible
Zoned RSP-1-BFC, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RSP-1-BFC, a single-family residential zone. The lot is 16,466 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 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)
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)330 ft 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 604 Seminary Dr (Issued)0.29 mi S
Active in "Issued" for 7.3 yr (first record Jul 17, 2019) with no new permit activity recorded in 7.3 yr.
- Demolition at 16 Egret Way (Issued)0.31 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 171 Great Cir Dr (Applied)0.35 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 |
|---|---|---|---|---|---|
| 182771 | Accessory dwelling unit (new or conversion) | Issued | Iss. Oct 20, 2026 | $225,000 | Convert Basement Into Category 1 A D U. Replace Portion Of Existing Foundation. |
| 94356 | Remodel / interior alteration | Applied | App. Jul 8, 2026 | $68,000 | Remove And Replace (E) Skylights At Home Office With New Dormer And Window. Int. Office Remodel With (N) Partition Wall,… |
| B44856 | HVAC / heat pump | Issued | Iss. Nov 20, 2025 | $40,000 | Remove & replace furnace & all ductwork located in crawlspace like for like. — Replace Ductwork, Replace Mechanical Appl… |
| B34705 | Solar / battery storage | Issued |