Sonoma County property record for 454 Walten Way, Windsor, CA 95492
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,611 sqft · built 1990 |
| Lot Size | 0.167 acres (7,263 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $220,000 (Mar 1992) |
| Tax Bill | $4,779 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-310-012-000 |
| Primary APN | 161-310-012-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 2,611 sqft Living Area |
| Gross Area | 3,169 sqft |
| 1st Floor Area | 1,247 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,263 sqft (0.167 acres) |
| Garage Type | Attached |
| Garage Area | 558 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 161-310-012 |
|---|---|
| Street Address | 454 WALTEN WAY |
| City | WINDSOR |
| State | CA |
| Zip | 95492-7931 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYWI |
| Legal Description | 91 FM 065-920-12 # CHG PER MD CASTLE ESTS LOT 37 |
| Legal Subdivision | CHG PER MD CASTLE EST |
| Legal Block | 3 |
| Legal Lot Number | 37 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 153808 |
454 Walten Way is owned and occupied by two individuals who bought it in March 1992.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 454 WALTEN WAY, WINDSOR, CA 95492-7931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Mar 12, 1992 · Amount on File |
| Deed Sale | Mar 12, 1992 · Amount on File |
| Deed Document Number | 199227333 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 454 Walten Way was $4,779.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Windsor Town |
| Unified School District | Windsor Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $377,183 (+2%) Land $132,888 Building $244,295 | |
| 2025 | $4,779.00 | $369,788 Land $130,283 Building $239,505 |
| 2023 | $4,587.00 (+1.84%) | $355,430 Land $125,225 Building $230,205 |
| 2022 | $4,504.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 454 Walten Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · 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 File median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 1 (2017) |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 454 Walten Way is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | TOWN OF WINDSOR serves 25,561 people · EPA ID CA4910017 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 466 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, Verizon.
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