523 Northwestern Ave
South Beloit, IL 61080
4 bd 2 ba 1,302 sqft Built 1900 Lot 6,970 sqft single_family
Most recent sale
$58,000
Dec 3, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 3, 2021 | Sold | $58,000 | MLS #11175791 |
| Mar 10, 2011 | Listing removed | $13,250 | NorthWestILAlliance |
| Mar 8, 2011 | Listed | $13,250 | MLS #61002 |
| Oct 19, 2010 | Listing removed | $35,000 | NorthWestILAlliance |
| Aug 27, 2010 | Relisted | $35,000 | MLS #52041 |
| Jul 13, 2010 | Listing removed | $42,400 | NorthWestILAlliance |
| May 14, 2010 | Price changed | $42,400 | MLS #52041 |
| May 10, 2010 | Price changed | $47,700 | MLS #52041 |
| Feb 19, 2010 | Listed | $53,000 | MLS #52041 |
| Jul 10, 2003 | Sold | $64,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $19,264 | $2,772 | $22,036 | $2,048 |
| 2023 | $17,628 | $2,537 | $20,165 | $1,884 |
| 2022 | $13,296 | $1,913 | $15,209 | $1,819 |
| 2021 | $12,442 | $1,790 | $14,232 | $1,775 |
| 2020 | $12,047 | $1,733 | $13,780 | $1,750 |
| 2019 | $11,605 | $1,669 | $13,274 | $1,752 |
| 2018 | $11,061 | $1,591 | $12,652 | $1,753 |
| 2017 | $10,602 | $1,525 | $12,127 | $1,744 |
| 2016 | $10,254 | $1,475 | $11,729 | $1,222 |
| 2015 | $10,020 | $1,441 | $11,461 | $1,215 |
| 2014 | $10,774 | $1,441 | $12,215 | $1,301 |
| 2013 | $10,943 | $1,464 | $12,407 | $1,288 |
| 2012 | $11,222 | $1,501 | $12,723 | $1,261 |
| 2011 | $16,219 | $1,537 | $17,756 | $1,626 |
| 2010 | $16,626 | $1,576 | $18,202 | $1,566 |
| 2009 | $16,854 | $1,598 | $18,452 | $1,025 |
| 2008 | $16,639 | $1,578 | $18,217 | $1,044 |
| 2007 | $15,128 | $1,521 | $16,649 | $962 |
| 2006 | $14,850 | $1,493 | $16,343 | $966 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,302 sqft
Lot size
6,970 sqft
ZIP code
61080
City
South Beloit
Street
Northwestern Ave
Coordinates
42.49060, -89.03728
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$348
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 523 Northwestern Ave last sell?
523 Northwestern Ave most recently sold on Dec 3, 2021 for $58,000.
What is the current tax assessment for 523 Northwestern Ave?
The most recent total assessment for 523 Northwestern Ave (year 2025) is $22,036 with $2,048 in property tax.
How does 523 Northwestern Ave's assessment compare to its last sale price?
The current assessment is 62.0% below the last sale price of $58,000.
When was 523 Northwestern Ave built?
523 Northwestern Ave was built in 1900.
How does 523 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 523 Northwestern Ave?
523 Northwestern Ave is a 4 bed, 2 bath, 1,302 sqft, 6,970 sqft lot single_family.
Is 523 Northwestern Ave a flip candidate?
No — 523 Northwestern Ave does not appear in our flips dataset.
Is 523 Northwestern Ave a tax-appeal candidate?
No — 523 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