Parcel 13-0154-00-00
Owners
D & S INVESTMENT PROPERTIES
PO BOX 2264
OSHKOSH, WI 54903-2264
Parcel Summary
| Location | 521 W 12TH AVE |
|---|---|
| PAD Type Code | N: NONE |
| Zoning | UMU |
| Acreage | 0.369 |
Assigned Districts
| State Code | District Name |
|---|---|
| 001200 | FVTC |
| 266 | City of Oshkosh |
| 4179 | Oshkosh School District |
| 70 | Winnebago County |
| Ward 13 |
Additional Site Addresses
521 W 12TH AVE
Legal Description
LOT 9 & THAT PRT VAC RR LYG N EXT S LI SD LOT 9, E OF SD LOT 9 & W LOTS 10, 11 & 12 REPLAT OF BLK 103Assessed Value History
| Assessment Year | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|
| Land Value | $39,700 | $37,100 | $35,300 | $35,300 | $35,300 | $35,300 |
| Building Value | $64,500 | $58,400 | $56,600 | $56,600 | $56,600 | $56,600 |
| Total Value | $104,200 | $95,500 | $91,900 | $91,900 | $91,900 | $91,900 |
| Average Assessment Ratio | 0.9767 | 0.9584 | 0.6920 | 0.7499 | 0.8287 | 0.8894 |
| Estimated Fair Market Value | $106,700 | $99,600 | $132,800 | $122,600 | $110,900 | $103,300 |
| Parcel Acres | 0.370 | 0.370 | 0.370 | 0.370 | 0.370 | 0.370 |
| Tax Classification(s) | Commercial | Commercial | Commercial | Commercial | Commercial | Commercial |
Document/Transfer/Sales History
| Document Number | Sale Date | Deed Type | V/I | Sale Validation | Real Estate Value | Multi Parcel Sale | Ownership |
|---|---|---|---|---|---|---|---|
| 1091337 | 2000-04-10 | 1 - Warranty | Improved | 2 - Valid improved sale | $84,500 | Grantor: KERSZTYN, GEORGE G/HELEN S Grantee: D & S INVESTMENT PROPERTIES |
Building Information
Building # 1, Section # 1, Office building
| Style | Year Built | Quality/Grade | Heated Sq Ft | % Complete | Condition |
|---|---|---|---|---|---|
| Office building | 1986 | Comm -C (AV) | 2656 | 100.00% | Average |
Building Data
| Description | Units/Details |
|---|---|
| Number of Stories (COMM)Stories | 1 |
| Living/Apart. Units | 1 |
| Comm - Average Story Height | 10 |
| Exterior Wall - Commercial | Stud-Metal Siding |
| HVAC - Commercial | Forced air unit |
Building # 1, Section # 2, Storage warehouse
| Style | Year Built | Quality/Grade | Heated Sq Ft | % Complete | Condition |
|---|---|---|---|---|---|
| Storage warehouse | 1986 | Comm -C (AV) | 0 | 100.00% | Average |
Building Data
| Description | Units/Details |
|---|---|
| Number of Stories (COMM)Stories | 1 |
| Living/Apart. Units | 0 |
| Comm - Average Story Height | 10 |
| Exterior Wall - Commercial | Stud-Metal Siding |
| HVAC - Commercial | Space heater |
Building # 1, Section # 3, Storage warehouse
| Style | Year Built | Quality/Grade | Heated Sq Ft | % Complete | Condition |
|---|---|---|---|---|---|
| Storage warehouse | 1986 | Comm -C (AV) | 0 | 100.00% | Average |
Building Data
| Description | Units/Details |
|---|---|
| Number of Stories (COMM)Stories | 1 |
| Living/Apart. Units | 0 |
| Comm - Average Story Height | 10 |
| Exterior Wall - Commercial | Stud-Metal Siding |
| HVAC - Commercial | Space heater |
Building # 2, Section # 1, PAVING ASPHALT PARKING
| Style | Year Built | Quality/Grade | Heated Sq Ft | % Complete | Condition |
|---|---|---|---|---|---|
| PAVING ASPHALT PARKING | 2001 | Not Specified | 0 | 100.00% | Average |
Building Data
| Description | Units/Details |
|---|---|
| Width | 16 |
| DEPTH | 300 |
Land Lines
| Land Line | Tax Classification | Acres | Sq. Ft. | Width | Depth | Value |
|---|---|---|---|---|---|---|
| 1 | Commercial | 0.37 | 16,061 | $39,700 |
Photo
Disclaimer
All parcel data on this page is for use by the City of Oshkosh Assessor's Office for assessment purposes only. The summary data on this page may not be a complete representation of the parcel or of the improvements thereon. Building information, including unit counts and number of permitted units, should be verified with the appropriate City Department. Zoning information should be verified with Community Development. This is a true and accurate copy of the property assessment records of the City of Oshkosh Assessor's Office, Winnebago County, as of December 09, 2025.