Marin County property record for 26 Ralston Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 5,410 sqft · built 1999 |
| Lot Size | 0.564 acres (24,585 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $5,000,000 (Apr 2015) |
| Tax Bill | $75,293 (2025) |
| Deeds & Mortgages | Apr 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-142-05 |
| Primary APN | 027-142-05 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 5,410 sqft Living Area |
| Basement Area | 85 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Contemporary |
| Lot Area | 24,585 sqft (0.564 acres) |
| Garage Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Pool Area | 510 sqft |
| Deck Area | 80 sqft |
| Patio Area | 3,295 sqft |
| Heating System | Central |
|---|
| Street Address | 26 RALSTON AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1024 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP C2 606 |
| Legal Subdivision | MILL VLY |
| Legal Lot Number | 329 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 127000 |
26 Ralston Ave is owned by a company that acquired it in April 2019 and is owner-occupied.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 26 RALSTON AVE, MILL VALLEY, CA 94941-1024 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 | Apr 7, 2015 · Amount on File |
| Deed Sale | Apr 7, 2015 · Amount on File |
| Prior Sale | Aug 2, 1996 · Amount on File |
| Deed Document Number | 201515875 |
| Last Transfer Date | Apr 26, 2019 |
| Transfer Doc | 0000014158 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 29, 2019 |
| Property Address | 26 RALSTON AVE, MILL VALLEY, CA 94941-1024 |
| Document Number | 0000014158 |
| Instrument Date | Apr 26, 2019 |
| Instrument | 14158 |
| Transaction Type | Transfer |
| Record Updated | May 9, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 26 RALSTON AVE MILL VALLEY CA 949411024, MILL VALLEY, CA 94941-1024 |
The 2025 property tax bill for 26 Ralston Ave was $75,293 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 | $6,201,836 (+2%) Land $2,801,044 Building $3,400,792 | |
| 2025 | $75,293.00 Homeowner's exemption | $6,080,262 Land $2,746,135 Building $3,334,127 |
| 2023 | $70,811.00 (+1.41%) Homeowner's exemption | $5,844,197 Land $2,639,517 Building $3,204,680 |
| 2022 | $69,827.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 26 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 26 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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