509 Court St
Janesville, WI 53545
4 bd 3 ba 3,118 sqft Built 1893 Lot 9,583 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 | $383,100 | $23,100 | $406,200 | $7,080 |
| 2023 | $306,200 | $23,100 | $329,300 | $5,642 |
| 2022 | $192,700 | $23,100 | $215,800 | $5,127 |
| 2021 | $289,500 | $23,100 | $312,600 | $7,565 |
| 2020 | $289,500 | $23,100 | $312,600 | $7,974 |
| 2019 | $289,500 | $23,100 | $312,600 | $8,131 |
| 2018 | $217,300 | $23,100 | $240,400 | $6,225 |
| 2017 | $217,300 | $23,100 | $240,400 | $7,154 |
| 2016 | $198,200 | $23,100 | $221,300 | $5,976 |
| 2015 | $198,200 | $23,100 | $221,300 | $5,376 |
| 2014 | $198,200 | $23,100 | $221,300 | $5,372 |
| 2013 | $198,200 | $23,100 | $221,300 | $5,476 |
| 2012 | $198,200 | $23,100 | $221,300 | $5,404 |
| 2011 | $198,200 | $23,100 | $221,300 | $5,537 |
| 2010 | $179,300 | $23,100 | $202,400 | $5,342 |
| 2008 | $179,300 | $23,100 | $202,400 | $5,339 |
| 2007 | $179,300 | $23,100 | $202,400 | $5,281 |
| 2006 | $179,300 | $23,100 | $202,400 | $4,950 |
Property facts
Year built
1893
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
3,118 sqft
Lot size
9,583 sqft
ZIP code
53545
City
Janesville
Street
Court St
Coordinates
42.68466, -89.01740
Comparable properties nearby
Frequently asked questions
When did 509 Court St last sell?
No public-record sale is on file for 509 Court St.
What is the current tax assessment for 509 Court St?
The most recent total assessment for 509 Court St (year 2025) is $406,200 with $7,080 in property tax.
When was 509 Court St built?
509 Court St was built in 1893.
How does 509 Court St compare to others on Court St?
We track 8 other properties on Court St. Browse the list under "Other properties on Court St" to compare beds, baths, and sale history.
What are the property facts for 509 Court St?
509 Court St is a 4 bed, 3 bath, 3,118 sqft, 9,583 sqft lot single_family.
Is 509 Court St a flip candidate?
No — 509 Court St does not appear in our flips dataset.
Is 509 Court St a tax-appeal candidate?
No — 509 Court 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
+0.5%
Implied 1-yr
+2.1%
2026 Q3
$334.6K
2026 Q4
$336.3K
ZIP 53545 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Court St