Sonoma County property record for 9510 Whitehall Ct, Windsor, CA 95492
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,990 sqft · built 1989 |
| Lot Size | 0.221 acres (9,607 sqft) |
| Owner | Trust Name on File |
| Last Sale | $22,000 (Nov 1998) |
| Tax Bill | $4,755 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-520-053-000 |
| Primary APN | 066-520-053-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,990 sqft Living Area |
| 1st Floor Area | 1,193 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Lot Area | 9,607 sqft (0.221 acres) |
| Garage Area | 571 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 066-520-053 |
|---|---|
| Street Address | 9510 WHITEHALL CT |
| City | WINDSOR |
| State | CA |
| Zip | 95492-8515 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYWI |
| Legal Description | DEERCREEK UNIT 1 LOT 53 |
| Legal Subdivision | TRACT #788 DEERCREEK UNIT #1 |
| Legal Block | 3 |
| Legal Lot Number | 53 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 153810 |
9510 Whitehall Ct is owner-occupied and held in a trust since September 2010.
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 | Trust Name on File |
|---|---|
| Mailing Address | 9510 WHITEHALL CT, WINDSOR, CA 95492-8515 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 13, 1998 · Amount on File |
| Deed Sale | Nov 13, 1998 · Amount on File |
| Prior Sale | Nov 13, 1998 · Amount on File |
| Deed Document Number | 1998135648 |
| Last Transfer Date | Sep 21, 2010 |
| Transfer Doc | 0000082633 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 9510 Whitehall Ct was $4,755 with a homeowner's exemption.
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 | $390,303 (+2%) Land $112,581 Building $277,722 | |
| 2025 | $4,755.00 Homeowner's exemption | $382,651 Land $110,374 Building $272,277 |
| 2023 | $4,563.00 (+1.78%) Homeowner's exemption | $367,794 Land $106,089 Building $261,705 |
| 2022 | $4,483.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9510 Whitehall Ct in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
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 9510 Whitehall Ct is low, with 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 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | 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 524 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures