70 Sunset Way
Sausalito 94965 · Muir Beach · Unincorporated Marin · Coordinates: 37.86168, -122.57752
Parcel & Assessor
- Lot size:
- 16,422 sq ft (0.38 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 70 SUNSET WAY
Zoning & Land Use
C-RA-B2 — Residential Agriculture (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUPossible, with conditions
Zoned C-RA-B2 (single-family residential): state law allows ADUs where homes are allowed. Very High Fire Hazard Severity Zone covers all of the lot: cities may limit ADUs here for fire safety and evacuation.
- SB 9: two homes on the lotCan't tell
Zoned C-RA-B2 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
- SB 9: split into two lotsCan't tell
Zoned C-RA-B2 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Very High Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0505E, effective August 15, 2017
- 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 94965) · FY 2026
Studio $2,720 · 1BR $3,260 · 2BR $3,950 · 3BR $5,050 · 4BR $5,230
Nearby Activity (½ mile radius, since October 2024)
4 active or recent development projects (3 housing units across completed, permitted, and pipeline stages) and 55 total building permits recorded within ½ mile.
- New construction3 permits
- Adds housing (ADU)3 permits (3 units)
- Additions & renovations8 permits
- Building systems29 permits
- Repairs8 permits
- Other4 permits
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94282 | Addition (adds square footage) | Applied | App. Jun 8, 2026 | $975,000 | Whole House Remod & Addition To S F D; Create 4 Bedrooms, 3.5 Baths. |
| 94281 | Accessory dwelling unit (new or conversion) | Applied | App. Jun 8, 2026 | $625,000 | New Detached A D U 750 Sq Ft Over New 2 Car Garage. |
| 86018 | Plumbing / water heater / sewer | Applied | App. Jul 16, 2020 | $12,563 | Generator; 200 A Main Panel Upgrade |
| 164842 | Solar / battery storage | Issued | Iss. Jun 9, 2020 | $14,000 | Energy Storage System. Express |
| 162340 | Solar / battery storage | Issued | Iss. Aug 15, 2019 | $29,269 | Rooftop Solar 5.76 K W - Express |