Sonoma County property record for 9643 Southampton Dr, Windsor, CA 95492
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,528 sqft · built 1990 |
| Lot Size | 0.162 acres (7,054 sqft) |
| Owner | Individual Name on File |
| Last Sale | $179,000 (Feb 1990) |
| Tax Bill | $4,094 (2025) |
| Deeds & Mortgages | Aug 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-540-045-000 |
| Primary APN | 066-540-045-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,528 sqft Living Area |
| 1st Floor Area | 1,528 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Lot Area | 7,054 sqft (0.162 acres) |
| Garage Area | 554 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 066-540-045 |
|---|---|
| Street Address | 9643 SOUTHAMPTON DR |
| City | WINDSOR |
| State | CA |
| Zip | 95492-8016 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYWI |
| Legal Description | DEERCREEK UNIT #2 LOT 45 |
| Legal Subdivision | TRACT #825 DEERCREEK UNIT #2 |
| Legal Block | 3 |
| Legal Lot Number | 45 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 153810 |
9643 Southampton Dr is owned and occupied by an individual who acquired it in August 2008.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 9643 SOUTHAMPTON DR, WINDSOR, CA 95492-8016 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Feb 9, 1990 · Amount on File |
| Deed Sale | Feb 9, 1990 · Amount on File |
| Deed Document Number | 199014498 |
| Last Transfer Date | Aug 22, 2008 |
| Transfer Doc | 0000078477 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 9643 SOUTHAMPTON DR, WINDSOR, CA 95492-8016 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000068113 |
|---|---|
| Date | Aug 30, 2017 |
| Instrument | 2017068113 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Address | TROY, MI 48098 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2047 |
The 2025 property tax bill for 9643 Southampton Dr was $4,094 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 | $334,036 (+2%) Land $121,977 Building $212,059 | |
| 2025 | $4,094.00 Homeowner's exemption | $327,487 Land $119,586 Building $207,901 |
| 2023 | $3,931.00 (+1.76%) Homeowner's exemption | $314,773 Land $114,944 Building $199,829 |
| 2022 | $3,863.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9643 Southampton Dr 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 9643 Southampton Dr is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation |
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.
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