Marin County property record for 48 Willow Ave, Ross, CA 94957
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,937 sqft · built 1912 |
| Lot Size | 0.217 acres (9,450 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $8,186 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-232-23 |
| Primary APN | 073-232-23 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,937 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1934 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 9,450 sqft (0.217 acres) |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 342 sqft |
| Patio Area | 342 sqft |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 48 WILLOW AVE |
|---|---|
| City | ROSS |
| State | CA |
| Zip | 94957-9693 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | SAN ANSELMO VLY LANDS |
| Legal Lot Number | 7,8 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 118100 |
Source: Marin County records, 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 Record |
|---|---|
| Mailing Address | PO BOX 471, ROSS, CA 94957-0471 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 8, 1993 |
| Transfer Doc | 0000106879 |
| 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 | $404,881 (+2%) Land $150,813 Building $254,068 | |
| 2025 | $8,186.00 (+4.65%) Homeowner's exemption | $396,942 (+4.04%) Land $147,856 Building $249,086 |
| 2023 | $7,822.00 (+2.99%) Homeowner's exemption | $381,530 Land $142,115 Building $239,415 |
| 2022 | $7,595.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 255 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
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