Waukesha County property record for 18425 Gate Post Rd, Brookfield, WI 53045
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,190 sqft · built 1971 |
| Lot Size | 0.52 acres (22,651 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $4,878 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | BR C-1139-991-004 |
| Primary APN | BR C-1139-991-004 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,190 sqft Living Area |
| 1st Floor Area | 1,110 sqft |
| Basement Area | 1,110 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 22,651 sqft (0.52 acres) |
| Lot Dimensions | 190 ft deep x 120 ft wide |
| View / Lot | Cul-De-Sac |
| Garage Type | Attached |
| Garage Area | 436 sqft |
| Porch | Open Frame Porch |
| Porch Area | 95 sqft |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Well |
| Street Address | 18425 GATE POST RD |
|---|---|
| City | BROOKFIELD |
| State | WI |
| Zip | 53045-6608 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT SW1/4 SEC 33 T7N R20E PCL 4 OF CERT SURVEY PLAT 1007 REC IN V6 OF MAPS P308, 309 |
| Legal Range | 20E |
| Legal Township | 7N |
| Legal Section | 33 |
| Legal Subdivision | CERT SURVEY |
| Legal Lot Number | 4 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | BROOKFIELD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 201204 |
Source: Waukesha County records, as of June 23, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 18425 GATE POST RD, BROOKFIELD, WI 53045-6608 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 23, 2025 |
| Transfer Doc | 0004829319 |
| Record Updated | Sep 20, 2026 |
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 | $4,878.00 (+3.09%) | $426,900 (-) Land $150,000 Building $276,900 | $480,700 (+5.76%) |
| 2023 | $4,732.00 Homeowner's exemption | $426,900 Land $150,000 Building $276,900 | $454,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 7 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 1998 · Severe Storms And Flooding |
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 | Low lower than 97% of the US · lower than 92% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 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 | 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 192 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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