Marin County property record for 24 Walnut Ave, Ross, CA 94957
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 8 ba · 6,259 sqft · built 1941 |
| Lot Size | 0.567 acres (24,682 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $45,936 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-171-46 |
| Primary APN | 073-171-46 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 8 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 6,259 sqft Living Area |
| Basement Area | 666 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Shingle |
| Roof Material | Wood Shingle |
| Lot Area | 24,682 sqft (0.567 acres) |
| Garage Area | 818 sqft |
| Pool Area | 646 sqft |
| Deck Area | 646 sqft |
| Patio Area | 726 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 24 WALNUT AVE |
|---|---|
| City | ROSS |
| State | CA |
| Zip | 94957-9689 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R1B |
| Legal Description | LOT 24 |
| Legal Subdivision | PEARL |
| Legal Lot Number | 24 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 118100 |
Source: Marin County assessment roll, as of July 13, 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 File |
|---|---|
| Mailing Address | PO BOX 1702, ROSS, CA 94957-1702 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 18, 1994 |
| Deed Sale | Feb 18, 1994 |
| Deed Document Number | 199414021 |
| Last Transfer Date | Jul 3, 2013 |
| Transfer Doc | 0000046360 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Ross Town |
| Elementary School District | Ross Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,510,004 (+2%) Land $1,643,395 Building $1,866,609 | |
| 2025 | $45,936.00 (+4.78%) Homeowner's exemption | $3,441,184 (+4.04%) Land $1,611,173 Building $1,830,011 |
| 2023 | $43,839.00 (+2.92%) Homeowner's exemption | $3,307,571 Land $1,548,614 Building $1,758,957 |
| 2022 | $42,597.00 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 130 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 130 in force |
| Nearby Flood Claims | 229 (1980–2025) |
| Claims Outside the SFHA | 17 of 229 |
| Most Recent Claim | Apr 2025 · 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 | Direct burnable vegetation at the parcel |
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 247 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Unwired.
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