531 Northwestern Ave
South Beloit, IL 61080
2 ba 1,439 sqft Built 1931 multi_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 | $29,924 | $2,348 | $32,272 | $2,262 |
| 2023 | $27,383 | $2,149 | $29,532 | $1,367 |
| 2022 | $13,447 | $1,621 | $15,068 | $1,303 |
| 2021 | $12,584 | $1,517 | $14,101 | $1,260 |
| 2020 | $12,184 | $1,469 | $13,653 | $1,234 |
| 2019 | $11,737 | $1,415 | $13,152 | $1,236 |
| 2018 | $11,187 | $1,349 | $12,536 | $1,238 |
| 2017 | $10,723 | $1,293 | $12,016 | $1,229 |
| 2016 | $10,249 | $1,251 | $11,500 | $1,197 |
| 2015 | $19,778 | $1,222 | $21,000 | $1,590 |
| 2014 | $21,267 | $1,222 | $22,489 | $1,755 |
| 2013 | $21,600 | $1,241 | $22,841 | $1,748 |
| 2012 | $22,152 | $1,273 | $23,425 | $1,727 |
| 2011 | $28,023 | $1,303 | $29,326 | $2,144 |
| 2010 | $28,727 | $1,336 | $30,063 | $2,070 |
| 2008 | $28,749 | $1,337 | $30,086 | $2,017 |
| 2007 | $26,139 | $1,289 | $27,428 | $1,851 |
| 2006 | $25,659 | $1,265 | $26,924 | $2,294 |
Property facts
Year built
1931
Property type
multi_family
Stories
2
Beds
—
Baths
2
Living area
1,439 sqft
Lot size
—
ZIP code
61080
City
South Beloit
Street
Northwestern Ave
Coordinates
42.49033, -89.03713
Comparable properties nearby
Frequently asked questions
When did 531 Northwestern Ave last sell?
No public-record sale is on file for 531 Northwestern Ave.
What is the current tax assessment for 531 Northwestern Ave?
The most recent total assessment for 531 Northwestern Ave (year 2025) is $32,272 with $2,262 in property tax.
When was 531 Northwestern Ave built?
531 Northwestern Ave was built in 1931.
How does 531 Northwestern Ave compare to others on Northwestern Ave?
We track 8 other properties on Northwestern Ave. Browse the list under "Other properties on Northwestern Ave" to compare beds, baths, and sale history.
What are the property facts for 531 Northwestern Ave?
531 Northwestern Ave is a 2 bath, 1,439 sqft multi_family.
Is 531 Northwestern Ave a flip candidate?
No — 531 Northwestern Ave does not appear in our flips dataset.
Is 531 Northwestern Ave a tax-appeal candidate?
No — 531 Northwestern Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.1%
Implied 1-yr
-4.2%
2026 Q3
$210K
2026 Q4
$207.7K
ZIP 61080 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Northwestern Ave