Brown County property record for 809 Prosper St, De Pere, WI 54115 · Last verified March 2026
| Property Type | General Industrial |
|---|---|
| Details | 8,000 sqft · built 1980 |
| Lot Size | 0.976 acres (42,558 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,175,000 (Jan 2026) |
| Tax Bill | $8,599 (2025) |
| Deeds & Mortgages | Nov 2021 Line of Credit Nov 2021 Line of Credit + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | ED F0106-5 |
| Primary APN | ED F0106-5 |
|---|
| Stories | 453 Stories |
|---|---|
| Building Area | 8,000 sqft Total Area |
| Year Built | Built 1980 |
|---|---|
| Exterior Material | Metal |
| Lot Area | 42,558 sqft (0.976 acres) |
| Old Parcel Number | EDF0106-5 |
|---|---|
| Street Address | 809 PROSPER ST |
| City | DE PERE |
| State | WI |
| Zip | 54115-3103 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Legal Description | 42,552 SQ FT LOT 3 OF 17 CSM 327 MAP 3282 IN 1118313 EX N 150 FT THEREOF BNG PART OF SE1/4 NW1/4 SEC 34 T23N R20E |
| Legal Range | 20E |
| Legal Township | 23N |
| Legal Section | 34 |
| Legal Subdivision | CERT SURV MAP 3282 |
| Legal Lot Number | 3 |
| Jurisdiction | BROWN WI |
| Township / Civil Division | DE PERE |
| Census Block Group | 1 |
| Census Block | 1036 |
| Census Tract | 10300 |
Source: Brown County records · APN ED F0106-5
Assessment roll updated January 1, 2025 · Last verified March 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Owner Type | Company |
| Date | Document |
|---|---|
| Nov 30, 2021 | Deed of Trust, Mortgage · Line of Credit BANK FIRST NA |
| Nov 30, 2021 | Deed of Trust, Mortgage · Line of Credit BANK FIRST NA |
| Jan 13, 2026 | Warranty Deed, Transfer BAY TITLE COMPANY, BAY TITLE & ABSTRACT INC |
| Mar 31, 2022 | Quit Claim Deed, Transfer BAY TITLE COMPANY, BAY TITLE AND ABSTRACT INC |
| Mar 31, 2022 | Quit Claim Deed, Transfer BAY TITLE COMPANY, BAY TITLE & ABSTRACT |
| Mar 26, 2018 | Deed of Trust, Mortgage · Line of Credit BANK FIRST NAT'L |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 13, 2026 · Amount on Record |
| Deed Sale | Jan 13, 2026 · Amount on Record |
| Prior Sale | Mar 31, 2022 |
| Deed Document Number | 3116715 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROWN WI |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Transaction Type | Mortgage |
| Record Updated | Mar 02, 2026 |
| Name | Verified Name |
|---|---|
| Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0002986343 |
|---|---|
| Date | Nov 30, 2021 |
| Instrument | 2986343 |
| Name | BANK FIRST NA |
|---|---|
| Type | Bank |
| Address | GREEN BAY, WI 54311 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROWN WI |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Transaction Type | Mortgage |
| Record Updated | Mar 02, 2026 |
| Name | Verified Name |
|---|---|
| Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0002986345 |
|---|---|
| Date | Nov 30, 2021 |
| Instrument | 2986345 |
| Name | BANK FIRST NA |
|---|---|
| Type | Bank |
| Address | GREEN BAY, WI 54311 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BROWN WI |
| Recording Date | Jan 13, 2026 |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0003116715 |
| Map Reference | DOC 1118313 |
| Instrument Date | Jan 08, 2026 |
| Instrument | 3116715 |
| Transaction Type | Transfer |
| Record Updated | Mar 02, 2026 |
| Title Company | BAY TITLE COMPANY, BAY TITLE & ABSTRACT INC |
| Amount | Amount Recorded |
|---|---|
| Tax | $3,525.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BROWN WI |
| Recording Date | Mar 31, 2022 |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0002999704 |
| Map Reference | DOC 1118313 |
| Instrument Date | Mar 28, 2022 |
| Instrument | 2999704 |
| Transaction Type | Transfer |
| Record Updated | Mar 02, 2026 |
| Title Company | BAY TITLE COMPANY, BAY TITLE AND ABSTRACT INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BROWN WI |
| Recording Date | Mar 31, 2022 |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0002999705 |
| Map Reference | DOC 1118313 |
| Instrument Date | Mar 22, 2022 |
| Instrument | 2999705 |
| Transaction Type | Transfer |
| Record Updated | Mar 02, 2026 |
| Title Company | BAY TITLE COMPANY, BAY TITLE & ABSTRACT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROWN WI |
| Property Address | 809 PROSPER ST, DE PERE, WI 54115-3103 |
| Document Number | 0002819258 |
| Instrument Date | Mar 26, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Apr 13, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 809 PROSPER ST DE PERE WI 541153103, DE PERE, WI 54115-3103 |
| Document Number | 0002819258 |
|---|---|
| Date | Mar 28, 2018 |
| Instrument | 2819258 |
| Name | BANK FIRST NAT'L |
|---|---|
| Type | Bank |
| Address | MANITOWOC, WI 54220 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
Source: Brown County records · Assessment roll updated January 1, 2025 · Last verified March 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Brown County |
| Municipality | De Pere City |
| Unified School District | De Pere Unified School District (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,599.00 (+25.75%) | $544,000 (+30.05%) Land $29,300 Building $514,700 | $540,400 (+27.94%) |
| 2024 | $6,838.00 (+27.29%) | $418,300 (+25.01%) Land $29,300 Building $389,000 | $422,400 (+23.04%) |
| 2023 | $5,372.00 (+8.83%) | $334,600 (+12.62%) Land $29,300 Building $305,300 | $343,300 (+10.71%) |
| 2022 | $297,100 Land $29,300 Building $267,800 | $310,100 | |
| 2021 | $4,936.00 |
Source: FEMA National Flood Hazard Layer, Brown County (55009C), updated September 27, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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