Winnebago County property record for 645 Frederick St, Oshkosh, WI 54901 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 1 Baths |
| Architecture Style | Traditional |
| Year Built | Built 1920 |
| Square Footage | 1,493 sqft Living Area |
| Lot Size | 5,778 sqft (0.133 acres) |
| Last Sale | $134,400 (2024) |
| Tax Bill | $2,966.00 (2024) |
Source: Winnebago County records · APN 07-04260000
Assessment roll updated May 27, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1225 SUMMIT AVE, OSHKOSH, WI 54901-7712 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Single Woman |
| Date | Document |
|---|---|
| Oct 28, 2022 | Warranty Deed, Transfer · Line of Credit BANK OF OAKFIELD |
| Oct 27, 2022 | Special Warranty Deed, Transfer · Stand Alone Second Mortgage WS PROPERTY INVESTMENTS LLC |
| Jul 25, 2022 | Quit Claim Deed, Transfer Quitclaim Document |
| May 30, 2024 | Warranty Deed, Transfer · Conventional Mortgage WATERSTONE MORTGAGE CORP |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 30, 2024 · Amount on Record |
| Deed Sale | May 30, 2024 · Amount on Record |
| Prior Sale | Oct 28, 2022 · Amount on Record |
| Deed Doc Number | 20241923506 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Oct 28, 2022 |
| Property Address | 645 FREDERICK ST, OSHKOSH, WI 54901-4457 |
| Document Number | 0001893869 |
| Instrument Date | Oct 28, 2022 |
| Instrument | 1893869 |
| Transaction Type | Transfer |
| Record Updated | May 07, 2026 |
| Amount | Amount Recorded |
|---|---|
| Tax | $645.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | W2273 HICKORY VIEW CT, KAUKAUNA, WI 54130-9455 |
| Investor | Possibly a Property Investor |
| Document Number | 0001893870 |
|---|---|
| Date | Oct 28, 2022 |
| Instrument | 1893870 |
| Name | BANK OF OAKFIELD |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Oct 27, 2022 |
| Property Address | 645 FREDERICK ST, OSHKOSH, WI 54901-4457 |
| Document Number | 0001893741 |
| Instrument Date | Oct 24, 2022 |
| Instrument | 1893741 |
| Transaction Type | Transfer |
| Record Updated | May 07, 2026 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $540.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 0001893742 |
|---|---|
| Date | Oct 27, 2022 |
| Instrument | 1893742 |
| Name | WS PROPERTY INVESTMENTS LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Jul 25, 2022 |
| Property Address | 645 FREDERICK ST, OSHKOSH, WI 54901-4457 |
| Document Number | 0001887360 |
| Instrument Date | Jun 09, 2022 |
| Instrument | 1887360 |
| Transaction Type | Transfer |
| Record Updated | May 07, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | May 30, 2024 |
| Property Address | 645 FREDERICK ST, OSHKOSH, WI 54901-4457 |
| Document Number | 0001923506 |
| Instrument Date | May 24, 2004 |
| Instrument | 1923506 |
| Transaction Type | Transfer |
| Record Updated | May 07, 2026 |
| Title Company | THE TITLE EXCHANGE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $403.20 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1225 SUMMIT AVE, OSHKOSH, WI 54901-7712 |
| Document Number | 0001923507 |
|---|---|
| Date | May 30, 2024 |
| Instrument | 1923507 |
| Name | WATERSTONE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2054 |
Source: Winnebago County records · Assessment roll updated May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| Municipality | Oshkosh City |
| Unified School District | Oshkosh Area School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $156,000 (-) Land $22,100 Building $133,900 | ||
| 2024 | $2,966.00 (+48.67%) | $156,000 (+127.41%) Land $22,100 Building $133,900 | |
| 2023 | $1,995.00 (+1.12%) | $68,600 (-) Land $13,800 Building $54,800 | $99,128 Land $19,941 Building $79,187 |
| 2022 | $1,973.00 | $68,600 Land $13,800 Building $54,800 |
Source: FEMA National Flood Hazard Layer, Winnebago County (55139C), updated March 26, 2019 · 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.
| Primary APN | 07-04260000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,493 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Traditional Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Lot Area | 5,778 sqft (0.133 acres) |
| Depth X Width | 107 ft x 54 ft Depth x Width |
| Heating System | HVAC Heating |
|---|---|
| Heating Fuel | Gas Heating Fuel |
| Account Number | 907-04260000 |
|---|---|
| Street Address | 645 FREDERICK ST |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-4457 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 13 BLK A R PARKINSONS SUBD OF PART OF BLK 45 |
| Legal Subdivision | BLK A R PARKINSONS SUBD |
| Legal Block | A,45 |
| Legal Lot Number | 13 |
| Jurisdiction | WINNEBAGO WI |
| Minor Civil Division | OSHKOSH |
| Census Blockgroup | 4 |
| Census Block | 4006 |
| Census Tract | 502 |
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