237 Union St
Waukesha, WI 53188
4 bd 2 ba 1,800 sqft Built 1916 Lot 9,148 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 | $235,900 | $62,200 | $298,100 | $4,115 |
| 2024 | $172,800 | $62,200 | $235,000 | $5,004 |
| 2023 | $172,800 | $62,200 | $235,000 | $3,853 |
| 2022 | $75,600 | $57,000 | $132,600 | $2,610 |
| 2021 | $75,600 | $57,000 | $132,600 | $2,685 |
| 2020 | $75,600 | $57,000 | $132,600 | $2,564 |
| 2019 | $75,600 | $57,000 | $132,600 | $2,497 |
| 2018 | $70,900 | $54,200 | $125,100 | $2,393 |
| 2017 | $70,900 | $54,200 | $125,100 | $2,367 |
| 2016 | $62,400 | $51,300 | $113,700 | $2,187 |
| 2015 | $62,400 | $51,300 | $113,700 | $2,179 |
| 2014 | $62,400 | $51,300 | $113,700 | $2,218 |
| 2013 | $62,400 | $51,300 | $113,700 | $2,275 |
| 2012 | $66,800 | $54,200 | $121,000 | $2,375 |
| 2010 | $80,300 | $54,200 | $134,500 | $2,564 |
| 2009 | $80,300 | $54,200 | $134,500 | $2,568 |
| 2008 | $89,000 | $34,200 | $123,200 | $2,321 |
| 2006 | $89,000 | $34,200 | $123,200 | $2,223 |
Property facts
Year built
1916
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
1,800 sqft
Lot size
9,148 sqft
ZIP code
53188
City
Waukesha
Street
Union St
Coordinates
43.01674, -88.23088
Comparable properties nearby
Frequently asked questions
When did 237 Union St last sell?
No public-record sale is on file for 237 Union St.
What is the current tax assessment for 237 Union St?
The most recent total assessment for 237 Union St (year 2025) is $298,100 with $4,115 in property tax.
When was 237 Union St built?
237 Union St was built in 1916.
How does 237 Union St compare to others on Union St?
We track 1 other property 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 237 Union St?
237 Union St is a 4 bed, 2 bath, 1,800 sqft, 9,148 sqft lot single_family.
Is 237 Union St a flip candidate?
No — 237 Union St does not appear in our flips dataset.
Is 237 Union St a tax-appeal candidate?
No — 237 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
+1.0%
Implied 1-yr
+3.9%
2026 Q3
$443.4K
2026 Q4
$447.4K
ZIP 53188 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St