Union Ave, Oshkosh, WI Property Records

Winnebago County property records for 10 addresses on Union Ave, Oshkosh, WI · Last verified June 2026

Union Ave Highlights

Properties 10
Median Sale Price $205,000
Deeds and Mortgages on File 11
Median Price per Sqft $81
Owner Occupied 20%
Median Annual Tax Bill $3,543
Median Year Built 1905
Median Ownership Tenure 4 years

Properties on Union Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

409 Union Ave

3 bd · 1 ba · 1,530 sqft · built 1911 · 0.064 acres

Last Sale Tax Bill Prior Sale Owner Records
$940,000May 2022 $2,9522024 Amount on Record Dec 2016 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

413 Union Ave

3 bd · 1.5 ba · 1,936 sqft · built 1884 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000May 2010 $3,0632024 1 Name on Record AssessorUpdated Jun 2026

414 Union Ave

4 bd · 1.5 ba · 2,360 sqft · built 1883 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5512024 1 Name on Record AssessorUpdated Jun 2026

421 Union Ave

4 bd · 1 ba · 1,144 sqft · built 1905 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$206,000Apr 2025 $3,2662024 Amount on Record Oct 2019 1 Name on Record AssessorUpdated Jun 2026

422 Union Ave

3 bd · 2 ba · 2,530 sqft · built 1879 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Oct 2025 $3,8002024 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

426 Union Ave

3 bd · 1.5 ba · 1,508 sqft · built 1924 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,500Feb 2026 $3,4212024 Amount on Record Jun 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

427 Union Ave

4 bd · 1.5 ba · 1,960 sqft · built 1927 · 0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2502024 1 Name on Record Assessor + 4 DocumentsUpdated Jun 2026

502 Union Ave

3 bd · 1.5 ba · 1,431 sqft · built 1911 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$53,300Nov 1989 $3,5432024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

508 Union Ave

7 bd · 2 ba · 2,837 sqft · built 1890 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$104,200Nov 2020 $4,6682024 Amount on Record Nov 2008 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

514 Union Ave

5 bd · 3 ba · 2,524 sqft · built 1903 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,900Apr 2017 $4,8322024 Amount on Record Feb 2009 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

Wildfire Risk on Union Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets