Marin County property record for 401 Ash St, Mill Valley, CA 94941
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 6,476 sqft · built 1958 |
| Lot Size | 0.165 acres (7,186 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $4,192,500 (Jan 2022) |
| Tax Bill | $82,006 (2025) |
| Deeds & Mortgages | Jan 2022 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 050-242-23 |
| Primary APN | 050-242-23 |
|---|---|
| Alternative APN |
|
| Units | 10 Units |
|---|---|
| Building Area | 6,476 sqft Living Area |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Multi-Family |
| Lot Area | 7,186 sqft (0.165 acres) |
| Street Address | 401 ASH ST |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3938 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Subdivision | TAMALPAIS VLY 01 |
| Legal Block | E |
| Legal Lot Number | 83 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 128100 |
Source: Marin County records, as of August 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 6 BEACH RD, 531, BELVEDERE TIBURON, CA 94920-2804 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 3, 2022 · Amount on Record |
| Deed Sale | Jan 3, 2022 · Amount on Record |
| Prior Sale | May 4, 2016 · Amount on Record |
| Deed Document Number | 2022198 |
| Prior Transfer Date | Jul 29, 2013 |
| Prior Transfer Doc | 0000054426 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 3, 2022 |
| Property Address | 401 ASH ST, MILL VALLEY, CA 94941-3938 |
| Document Number | 0000000198 |
| Map Reference | VOL 2 PG 119 |
| Instrument Date | Dec 27, 2021 |
| Instrument | 2022-0000198 |
| Transaction Type | Transfer |
| Record Updated | Aug 3, 2023 |
| Title Company | NOT AVAILABLE, DOMA TITLE OF CA INC |
| Amount | Amount Recorded |
|---|---|
| Tax | $4,611.75 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 401 ASH ST, MILL VALLEY, CA 94941-3938 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| 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 | $4,537,714 (+2%) Land $1,687,275 Building $2,850,439 | |
| 2025 | $82,006.00 (+4.57%) | $4,448,834 (+4.04%) Land $1,654,197 Building $2,794,637 |
| 2023 | $78,423.00 | $4,276,269 Land $1,589,975 Building $2,686,294 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 88 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 88 in force |
| Nearby Flood Claims | 120 (1978–2026) |
| Claims Outside the SFHA | 13 of 120 |
| Most Recent Claim | Jan 2026 · other causes |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within 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 496 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Unwired, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures