Marin County property record for 364 Ethel Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,642 sqft · built 1996 |
| Lot Size | 0.203 acres (8,820 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,100,000 (Aug 2002) |
| Tax Bill | $22,775 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-183-01 |
| Primary APN | 028-183-01 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,642 sqft Living Area |
| Basement Area | 56 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Contemporary |
| Lot Area | 8,820 sqft (0.203 acres) |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,922 sqft |
| Patio Area | 1,922 sqft |
| Heating System | Central |
|---|
| Street Address | 364 ETHEL AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3359 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 |
| Legal Subdivision | WOODSIDE TER/MILL VLY |
| Legal Lot Number | 1 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 127000 |
364 Ethel Ave is owned and occupied by two individuals who acquired it in August 2024.
Source: Marin County records, as of August 12, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 364 ETHEL AVE, MILL VALLEY, CA 94941-3359 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 14, 2002 · Amount on File |
| Deed Sale | Aug 14, 2002 · Amount on File |
| Prior Sale | Jun 3, 1997 · Amount on File |
| Deed Document Number | 200270842 |
| Last Transfer Date | Aug 5, 2024 |
| Transfer Doc | 0000022293 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 364 Ethel Ave was $22,775 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Mill Valley City |
| Elementary School District | Mill Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,687,733 (+2%) Land $886,296 Building $801,437 | |
| 2025 | $22,775.00 Homeowner's exemption | $1,654,645 Land $868,920 Building $785,725 |
| 2023 | $21,627.00 (+3.09%) Homeowner's exemption | $1,590,410 Land $835,188 Building $755,222 |
| 2022 | $20,978.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 364 Ethel Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 14 (1979–2005) |
| Claims Outside the SFHA | 5 of 14 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 364 Ethel Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2019–2021) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 762 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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