Marin County property record for 160 Ralston Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,022 sqft · built 1950 |
| Lot Size | 0.74 acres (32,215 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,600,000 (Jul 2024) |
| Tax Bill | $21,535 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-083-16 |
| Primary APN | 027-083-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,022 sqft Living Area |
| Basement Area | 423 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 32,215 sqft (0.74 acres) |
| Deck Area | 279 sqft |
| Patio Area | 279 sqft |
| Heating System | Central |
|---|
| Street Address | 160 RALSTON AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1072 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 5 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 127000 |
160 Ralston Ave is owned and occupied by two individuals who bought it in July 2024.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 160 RALSTON AVE, MILL VALLEY, CA 94941-1072 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 15, 2024 · Amount on File |
| Deed Sale | Jul 15, 2024 · Amount on File |
| Deed Document Number | 202420083 |
| Prior Transfer Date | Apr 24, 2024 |
| Prior Transfer Doc | 0000012357 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 160 Ralston Ave was $21,535 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 | $1,729,960 (+8.26%) Land $1,071,000 Building $658,960 | |
| 2025 | $21,535.00 Homeowner's exemption | $1,598,000 Land $1,050,000 Building $548,000 |
| 2023 | $4,484.00 (+4.52%) Homeowner's exemption | $216,670 Land $71,283 Building $145,387 |
| 2022 | $4,290.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 160 Ralston Ave in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1983.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 11 (1983–2017) |
| Claims Outside the SFHA | 4 of 11 |
| Most Recent Claim | Mar 2017 · river or lake flooding |
| 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 160 Ralston Ave is moderate, ranking above 40% of the US, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
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 313 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
5G (outdoors only) and 4G LTE
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