531 Union St
Hartford, WI 53027
4 bd 1 ba 1,960 sqft Built 1910 Lot 10,019 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $193,600 | $42,000 | $235,600 | $2,847 |
| 2024 | $193,600 | $42,000 | $235,600 | $2,529 |
| 2023 | $193,600 | $42,000 | $235,600 | $2,546 |
| 2022 | $193,600 | $42,000 | $235,600 | $2,676 |
| 2021 | $148,500 | $37,500 | $186,000 | $2,801 |
| 2020 | $148,500 | $37,500 | $186,000 | $2,929 |
| 2019 | $148,500 | $37,500 | $186,000 | $2,895 |
| 2018 | $148,500 | $37,500 | $186,000 | $2,924 |
| 2017 | $127,300 | $37,500 | $164,800 | $2,728 |
| 2016 | $127,300 | $37,500 | $164,800 | $2,783 |
| 2015 | $123,800 | $37,500 | $161,300 | $2,761 |
| 2014 | $123,800 | $37,500 | $161,300 | $2,829 |
| 2013 | $133,400 | $35,700 | $169,100 | $2,747 |
| 2012 | $133,400 | $35,700 | $169,100 | $2,926 |
| 2011 | $133,400 | $35,700 | $169,100 | $3,059 |
| 2010 | $133,400 | $35,700 | $169,100 | $3,106 |
| 2009 | $133,400 | $35,700 | $169,100 | $3,075 |
| 2007 | $133,400 | $35,700 | $169,100 | $2,942 |
| 2006 | $107,400 | $31,100 | $138,500 | $2,836 |
Property facts
Year built
1910
Property type
single_family
Stories
2
Beds
4
Baths
1
Living area
1,960 sqft
Lot size
10,019 sqft
ZIP code
53027
City
Hartford
Street
Union St
Coordinates
43.32111, -88.37192
Comparable properties nearby
Frequently asked questions
When did 531 Union St last sell?
No public-record sale is on file for 531 Union St.
What is the current tax assessment for 531 Union St?
The most recent total assessment for 531 Union St (year 2025) is $235,600 with $2,847 in property tax.
When was 531 Union St built?
531 Union St was built in 1910.
How does 531 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 531 Union St?
531 Union St is a 4 bed, 1 bath, 1,960 sqft, 10,019 sqft lot single_family.
Is 531 Union St a flip candidate?
No — 531 Union St does not appear in our flips dataset.
Is 531 Union St a tax-appeal candidate?
No — 531 Union St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.4%
Implied 1-yr
+13.7%
2026 Q3
$460.9K
2026 Q4
$473.8K
ZIP 53027 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St