621 Northwestern Ave
South Beloit, IL 61080
— ba Lot 5,950 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 17, 2022 | Sold | $77,000 | Public Record |
| Nov 16, 2021 | Price changed | $77,000 | NorthWestILAlliance |
| Oct 20, 2021 | Listed | $80,500 | NorthWestILAlliance |
| Jun 8, 2021 | Price changed | $75,000 | NorthWestILAlliance |
| Apr 23, 2021 | Listed | $79,900 | NorthWestILAlliance |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $16,524 | $2,348 | $18,872 | $1,383 |
| 2023 | $15,121 | $2,149 | $17,270 | $1,165 |
| 2022 | $11,405 | $1,621 | $13,026 | $1,607 |
| 2021 | $10,673 | $1,517 | $12,190 | $1,570 |
| 2020 | $10,334 | $1,469 | $11,803 | $1,005 |
| 2019 | $9,955 | $1,415 | $11,370 | $989 |
| 2018 | $9,488 | $1,349 | $10,837 | $1,015 |
| 2017 | $9,094 | $1,293 | $10,387 | $1,034 |
| 2016 | $8,796 | $1,251 | $10,047 | $563 |
| 2015 | $8,595 | $1,222 | $9,817 | $1,041 |
| 2014 | $9,242 | $1,222 | $10,464 | $1,114 |
| 2013 | $9,387 | $1,241 | $10,628 | $1,103 |
| 2012 | $9,627 | $1,273 | $10,900 | $1,080 |
| 2011 | $11,699 | $1,303 | $13,002 | $1,190 |
| 2010 | $11,993 | $1,336 | $13,329 | $1,147 |
| 2008 | $12,002 | $1,337 | $13,339 | $1,094 |
| 2007 | $10,912 | $1,289 | $12,201 | $1,007 |
| 2006 | $10,712 | $1,265 | $11,977 | $1,020 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
5,950 sqft
ZIP code
61080
City
South Beloit
Street
Northwestern Ave
Coordinates
42.48784, -89.03580
Frequently asked questions
When did 621 Northwestern Ave last sell?
No public-record sale is on file for 621 Northwestern Ave.
What is the current tax assessment for 621 Northwestern Ave?
The most recent total assessment for 621 Northwestern Ave (year 2025) is $18,872 with $1,383 in property tax.
When was 621 Northwestern Ave built?
The year built for 621 Northwestern Ave is not in our records.
How does 621 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 621 Northwestern Ave?
621 Northwestern Ave is a — bath, 5,950 sqft lot single_family.
Is 621 Northwestern Ave a flip candidate?
No — 621 Northwestern Ave does not appear in our flips dataset.
Is 621 Northwestern Ave a tax-appeal candidate?
No — 621 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