Sonoma County property record for 508 Walten Way, Windsor, CA 95492
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,623 sqft · built 1993 |
| Lot Size | 0.138 acres (5,988 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $71,000 (Nov 2010) |
| Tax Bill | $5,597 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-310-004-000 |
| Primary APN | 161-310-004-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,623 sqft Living Area |
| Gross Area | 2,072 sqft |
| 1st Floor Area | 1,623 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,988 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 449 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 161-310-004 |
|---|---|
| Street Address | 508 WALTEN WAY |
| City | WINDSOR |
| State | CA |
| Zip | 95492-8038 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYWI |
| Legal Description | 91 FM 065-920-04 # CHG PER MD CASTLE ESTS LOT 29 |
| Legal Subdivision | CHG PER MD CASTLE EST |
| Legal Tract | 818 |
| Legal Block | 3 |
| Legal Lot Number | 29 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 153808 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3675 DORISA AVE, OAKLAND, CA 94605-4944 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 24, 2010 · Amount on File |
| Deed Sale | Nov 24, 2010 · Amount on File |
| Prior Sale | Dec 24, 2003 · Amount on File |
| Deed Document Number | 2010106546 |
| Prior Transfer Date | Jan 12, 2001 |
| Prior Transfer Doc | 0000005716 |
| 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 | $458,432 (+2%) Land $153,117 Building $305,315 | |
| 2025 | $5,597.00 (+4.17%) | $449,444 (+4.04%) Land $150,115 Building $299,329 |
| 2023 | $5,373.00 (+1.76%) | $431,993 Land $144,287 Building $287,706 |
| 2022 | $5,280.00 |
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 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.
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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