Waukesha County property record for 12820 Winthrop Ct, Brookfield, WI 53005
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 2,116 sqft · built 1957 |
| Lot Size | 0.51 acres (22,216 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $670,000 (Oct 2025) |
| Tax Bill | $4,980 (2025) |
| Deeds & Mortgages | Jul 2026 Sale & Mortgage Oct 2025 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | BR C-1057-152 |
| Primary APN | BR C-1057-152 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,116 sqft Living Area |
| 1st Floor Area | 2,125 sqft |
| Basement Area | 2,125 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 22,216 sqft (0.51 acres) |
| View / Lot | Cul-De-Sac |
| Garage Type | Attached |
| Garage Area | 494 sqft |
| Porch | Open Frame Porch |
| Porch Area | 30 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Well |
| Street Address | 12820 WINTHROP CT |
|---|---|
| City | BROOKFIELD |
| State | WI |
| Zip | 53005-3815 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 15 BLK 5 ROYAL OAK PT NE 1/4 SEC 13 T7N R20E |
| Legal Range | 20E |
| Legal Township | 7N |
| Legal Section | 13 |
| Legal Subdivision | ROYAL OAK |
| Legal Block | 5 |
| Legal Lot Number | 15 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | BROOKFIELD |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 200901 |
12820 Winthrop Ct is owned by two individuals who bought it in October 2025.
Source: Waukesha County records, as of June 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2215 S FOXGLOVE CT, NEW BERLIN, WI 53151-1914 |
| 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.
| Date | Document |
|---|---|
| Jul 21, 2026 | Warranty Deed, Transfer · Conventional Mortgage PENTAGON FEDERAL CREDIT UNION |
| Oct 21, 2025 | Warranty Deed, Transfer |
| Oct 21, 2025 | Affidavit of Death of Joint Tenant, Transfer |
| Sep 19, 2025 | Affidavit of Death of Joint Tenant, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 21, 2025 · Amount on File |
| Deed Sale | Oct 21, 2025 · Amount on File |
| Deed Document Number | 20254842864 |
| Prior Transfer Date | Oct 14, 2025 |
| Prior Transfer Doc | 0004842863 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Jul 21, 2026 |
| Property Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
| Document Number | 0004887535 |
| Instrument Date | Jul 17, 2026 |
| Instrument | 20264887535 |
| Transaction Type | Transfer |
| Record Updated | Jul 30, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $203,010.00 |
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
| Document Number | 0004887535, |
|---|---|
| Date | Jul 21, 2026 |
| Instrument | 20264887535 |
| Name | PENTAGON FEDERAL CREDIT UNION |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.48% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Oct 21, 2025 |
| Property Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
| Document Number | 0004842864 |
| Instrument Date | Oct 17, 2025 |
| Instrument | 4842864 |
| Transaction Type | Transfer |
| Record Updated | Nov 10, 2025 |
| Amount | Amount on Record |
|---|---|
| Tax | $2,010.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2215 S FOXGLOVE CT, NEW BERLIN, WI 53151-1914 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Oct 21, 2025 |
| Property Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
| Document Number | 0004842863 |
| Instrument Date | Oct 17, 2025 |
| Instrument | 4842863 |
| Transaction Type | Transfer |
| Record Updated | Nov 10, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | W277N2588 ROCKY POINT RD, PEWAUKEE, WI 53072-4330 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Sep 19, 2025 |
| Property Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
| Document Number | 0004837828 |
| Instrument Date | Aug 13, 2025 |
| Instrument | 4837828 |
| Transaction Type | Transfer |
| Record Updated | Oct 7, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 12820 WINTHROP CT, BROOKFIELD, WI 53005-3815 |
The 2025 property tax bill for 12820 Winthrop Ct was $4,980, up 3% from the year before.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| Municipality | Brookfield City |
| County | Waukesha County |
| Unified School District | Elmbrook School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,980.00 (+3.04%) | $435,400 (-) Land $125,000 Building $310,400 | $490,200 (+5.97%) |
| 2024 | $4,833.00 (+0.02%) Homeowner's exemption | $435,400 (-) Land $125,000 Building $310,400 | $462,600 (-0.19%) |
| 2023 | $4,832.00 Homeowner's exemption | $435,400 Land $125,000 Building $310,400 | $463,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12820 Winthrop Ct in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2025.
Source: FEMA National Flood Hazard Layer, effective October 19, 2025 · 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 | 3 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2025 · Severe Storms, Straight-line Winds, 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 12820 Winthrop Ct 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 99.1% of the US · lower than 97.9% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | BROOKFIELD WATER UTILITY serves 29,070 people · EPA ID WI2680253 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2023 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | Radium resolved · Apr 2020 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 178 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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