102 Union St
Janesville, WI 53548
4 bd 1 ba 1,360 sqft Built 1875 Lot 4,356 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 | $107,300 | $8,300 | $115,600 | $1,816 |
| 2023 | $78,500 | $8,300 | $86,800 | $1,440 |
| 2022 | $48,700 | $8,300 | $57,000 | $1,307 |
| 2021 | $48,700 | $8,300 | $57,000 | $1,317 |
| 2020 | $48,700 | $8,300 | $57,000 | $1,259 |
| 2019 | $48,700 | $8,300 | $57,000 | $1,229 |
| 2018 | $31,800 | $8,300 | $40,100 | $1,013 |
| 2017 | $31,800 | $8,300 | $40,100 | $1,180 |
| 2016 | $31,800 | $8,300 | $40,100 | $961 |
| 2015 | $31,800 | $8,300 | $40,100 | $923 |
| 2014 | $31,800 | $8,300 | $40,100 | $923 |
| 2013 | $31,800 | $8,300 | $40,100 | $1,215 |
| 2012 | $31,800 | $8,300 | $40,100 | $926 |
| 2011 | $31,800 | $8,300 | $40,100 | $1,665 |
| 2010 | $38,800 | $8,300 | $47,100 | $1,692 |
| 2008 | $38,800 | $8,300 | $47,100 | $1,184 |
| 2007 | $38,800 | $8,300 | $47,100 | $1,199 |
| 2006 | $50,600 | $8,300 | $58,900 | $1,332 |
Property facts
Year built
1875
Property type
single_family
Stories
2
Beds
4
Baths
1
Living area
1,360 sqft
Lot size
4,356 sqft
ZIP code
53548
City
Janesville
Street
Union St
Coordinates
42.67705, -89.02023
Comparable properties nearby
Frequently asked questions
When did 102 Union St last sell?
No public-record sale is on file for 102 Union St.
What is the current tax assessment for 102 Union St?
The most recent total assessment for 102 Union St (year 2025) is $115,600 with $1,816 in property tax.
When was 102 Union St built?
102 Union St was built in 1875.
How does 102 Union St compare to others on Union St?
We track 2 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 102 Union St?
102 Union St is a 4 bed, 1 bath, 1,360 sqft, 4,356 sqft lot single_family.
Is 102 Union St a flip candidate?
No — 102 Union St does not appear in our flips dataset.
Is 102 Union St a tax-appeal candidate?
No — 102 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
+0.7%
Implied 1-yr
+2.9%
2026 Q3
$242.8K
2026 Q4
$244.5K
ZIP 53548 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St