Sonoma County property record for 471 Walten Way, Windsor, CA 95492
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,487 sqft · built 1991 |
| Lot Size | 0.139 acres (6,042 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $369,000 (Sep 2010) |
| Tax Bill | $5,927 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 161-310-042-000 |
| Primary APN | 161-310-042-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 2,487 sqft Living Area |
| Gross Area | 2,947 sqft |
| 1st Floor Area | 1,454 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,042 sqft (0.139 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 161-310-042 |
|---|---|
| Street Address | 471 WALTEN WAY |
| City | WINDSOR |
| State | CA |
| Zip | 95492-7932 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYWI |
| Legal Description | 91 FM 065-920-42 # CHG PER MD CASTLE ESTS LOT 86 |
| Legal Subdivision | CHG PER MD CASTLE EST |
| Legal Tract | 818 |
| Legal Block | 3 |
| Legal Lot Number | 86 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 153808 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 11092 BENNINGTON ST, LOS ALAMITOS, CA 90720-2707 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 3, 2010 · Amount on Record |
| Deed Sale | Sep 3, 2010 · Amount on Record |
| Prior Sale | Nov 25, 1998 · Amount on Record |
| Deed Document Number | 201075319 |
| Prior Transfer Date | Apr 15, 2004 |
| Prior Transfer Doc | 0000059616 |
| Record Updated | Oct 29, 2026 |
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 | $482,064 (+2%) Land $156,809 Building $325,255 | |
| 2025 | $5,927.00 (+4.22%) | $472,613 (+4.04%) Land $153,735 Building $318,878 |
| 2023 | $5,687.00 (+1.81%) | $454,263 Land $147,766 Building $306,497 |
| 2022 | $5,586.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | 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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