Brown County property record for 421 S 9th St, De Pere, WI 54115
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.253 acres (11,021 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $640 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WD 1004 |
| Primary APN | WD 1004 |
|---|
| Lot Area | 11,021 sqft (0.253 acres) |
|---|
| Old Parcel Number | WD1004 |
|---|---|
| Street Address | 421 S 9TH ST |
| City | DE PERE |
| State | WI |
| Zip | 54115-3903 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Legal Description | 11,055 SQ FT ZAMBROWICZ HEIGHTS LOT 4 |
| Legal Subdivision | ZAMBROWICZ HEIGHTS |
| Legal Lot Number | 4 |
| Jurisdiction | BROWN WI |
| Township / Civil Division | DE PERE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 10202 |
421 S 9th St, residential vacant land, is owned by an individual.
Source: Brown County records, as of February 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 429 S 9TH ST, DE PERE, WI 54115-3903 |
| 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 |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 421 S 9th St was $640.
Source: Brown County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Brown County |
| Municipality | De Pere City |
| Unified School District | West De Pere School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $640.00 | $39,300 Land $39,300 | $39,000 |
| 2023 | $636.00 | $37,500 (-) Land $37,500 | $38,500 (-1.53%) |
| 2022 | $37,500 Land $37,500 | $39,100 | |
| 2021 | $699.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 S 9th St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 421 S 9th St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | DE PERE WATERWORKS SA 1 serves 25,660 people · EPA ID WI4050453 |
|---|---|
| Water Source | Purchased surface water from CENTRAL BROWN CO WATER AUTHORITY |
| Last State Inspection | Dec 2023 |
| Lead | Under 1 ppb (2023) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 383 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Acrospire Networks.
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