509 Monroe St
Janesville, WI 53545
4 bd 2 ba 1,802 sqft Built 1934 Lot 5,227 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 | $171,400 | $15,400 | $186,800 | $3,682 |
| 2023 | $171,400 | $15,400 | $186,800 | $3,173 |
| 2022 | $113,000 | $15,400 | $128,400 | $3,025 |
| 2021 | $113,000 | $15,400 | $128,400 | $3,049 |
| 2020 | $110,200 | $15,400 | $125,600 | $2,847 |
| 2019 | $110,200 | $15,400 | $125,600 | $2,781 |
| 2018 | $76,600 | $15,400 | $92,000 | $2,401 |
| 2017 | $76,600 | $15,400 | $92,000 | $2,325 |
| 2016 | $76,600 | $15,400 | $92,000 | $2,288 |
| 2015 | $76,600 | $15,400 | $92,000 | $2,198 |
| 2014 | $76,600 | $15,400 | $92,000 | $2,197 |
| 2013 | $76,600 | $15,400 | $92,000 | $2,239 |
| 2012 | $76,600 | $15,400 | $92,000 | $2,209 |
| 2011 | $76,600 | $15,400 | $92,000 | $2,233 |
| 2010 | $71,400 | $15,400 | $86,800 | $2,221 |
| 2008 | $71,400 | $15,400 | $86,800 | $2,210 |
| 2007 | $71,400 | $15,400 | $86,800 | $2,210 |
| 2006 | $71,400 | $15,400 | $86,800 | $2,094 |
Property facts
Year built
1934
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,802 sqft
Lot size
5,227 sqft
ZIP code
53545
City
Janesville
Street
Monroe St
Coordinates
42.68989, -89.01393
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 509 Monroe St last sell?
No public-record sale is on file for 509 Monroe St.
What is the current tax assessment for 509 Monroe St?
The most recent total assessment for 509 Monroe St (year 2025) is $186,800 with $3,682 in property tax.
When was 509 Monroe St built?
509 Monroe St was built in 1934.
How does 509 Monroe St compare to others on Monroe St?
We track 8 other properties on Monroe St. Browse the list under "Other properties on Monroe St" to compare beds, baths, and sale history.
What are the property facts for 509 Monroe St?
509 Monroe St is a 4 bed, 2 bath, 1,802 sqft, 5,227 sqft lot single_family.
Is 509 Monroe St a flip candidate?
No — 509 Monroe St does not appear in our flips dataset.
Is 509 Monroe St a tax-appeal candidate?
No — 509 Monroe 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 Monroe St