359 A Marin Ave
Mill Valley 94941 · Tamalpais · Unincorporated Marin · Coordinates: 37.87717, -122.53229
Parcel & Assessor
- Lot size:
- 15,377 sq ft (0.35 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 359A MARIN AVE; 359 MARIN AVE
Zoning & Land Use
R1 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1, a single-family residential zone. The lot is 15,377 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
- 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 06041C0468F, 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: $2,133,000 – $2,715,000 · 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
- New home at 359 Marin Ave (aka 359a) (Issued)On this parcel
Active in "Issued" for 5.6 yr (first record Mar 30, 2021) with no new permit activity recorded in 5.2 yr.
- Accessory dwelling unit at 403 Marin Ave (adu 403a) (Issued)0.2 mi W
Active in "Issued" for 2.9 yr (first record Dec 21, 2023) with no new permit activity recorded in 18 mo. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- New home at 407 Spruce St (Issued)0.24 mi NW
Active in "Issued" for 7.6 yr (first record Mar 14, 2019) with no new permit activity recorded in 7.4 yr. High-impact scale (1 housing unit, $750,000 declared valuation across 1 permit).
- New home at 334 Dolan Ave (Issued)0.3 mi NE
Active in "Issued" for 8.1 yr (first record Sep 5, 2018) with no new permit activity recorded in 7.9 yr. High-impact scale (1 housing unit, $759,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B31456 | Solar / battery storage | Issued | Iss. Oct 21, 2022 | $47,285 | 14- Q.PEAK DUO BLK ML-G10+ 400 (N) SOLAR MODULE(5.600 kW), 14- ENPHASE IQ8M-72-2-US(240V) (N) INVERTER(S), 2- ENPHASE EN… |
| B30583 | Solar / battery storage | Issued | Iss. Aug 4, 2022 | $23,900 | INSTALL 14 (N) Q.PEAK DUO BLK ML-G10+ 400 SOLAR MODULES(5.600 kW), (N) 200A LOAD CENTER WILL ACT AS BACKUP LOADS CENTER,… |
| 169065 | Addition (adds square footage) | Issued | Iss. Aug 10, 2021 | $350,000 | Addition, Remod, A D U; Deck; Outdoor Kit |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2021).