623 Union Ave
Belvidere, IL 61008
2 bd 2 ba 1,146 sqft Built 1920 Lot 8,712 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 | $40,561 | $3,844 | $44,405 | $3,058 |
| 2024 | $40,561 | $3,844 | $44,405 | $3,022 |
| 2023 | $37,123 | $3,844 | $40,967 | $2,869 |
| 2022 | $28,080 | $5,894 | $33,974 | $2,709 |
| 2021 | $26,380 | $5,894 | $32,274 | $2,550 |
| 2020 | $19,469 | $6,214 | $25,683 | $2,648 |
| 2019 | $18,220 | $6,214 | $24,434 | $2,579 |
| 2018 | $17,826 | $6,214 | $24,040 | $2,653 |
| 2017 | $17,765 | $6,512 | $24,277 | $2,583 |
| 2016 | $16,149 | $6,406 | $22,555 | $2,501 |
| 2015 | $12,655 | $8,008 | $20,663 | $2,357 |
| 2014 | $12,865 | $8,008 | $20,873 | $2,395 |
| 2013 | $12,865 | $8,008 | $20,873 | $2,314 |
| 2012 | $18,888 | $8,008 | $26,896 | $2,695 |
| 2011 | $21,998 | $8,183 | $30,181 | $1,330 |
| 2010 | $27,686 | $8,973 | $36,659 | $2,968 |
| 2008 | $32,212 | $9,169 | $41,381 | $2,622 |
| 2007 | $26,523 | $8,712 | $35,235 | $2,527 |
Property facts
Year built
1920
Property type
single_family
Stories
—
Beds
2
Baths
2
Living area
1,146 sqft
Lot size
8,712 sqft
ZIP code
61008
City
Belvidere
Street
Union Ave
Coordinates
42.25396, -88.84383
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 623 Union Ave last sell?
No public-record sale is on file for 623 Union Ave.
What is the current tax assessment for 623 Union Ave?
The most recent total assessment for 623 Union Ave (year 2025) is $44,405 with $3,058 in property tax.
When was 623 Union Ave built?
623 Union Ave was built in 1920.
How does 623 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 623 Union Ave?
623 Union Ave is a 2 bed, 2 bath, 1,146 sqft, 8,712 sqft lot single_family.
Is 623 Union Ave a flip candidate?
No — 623 Union Ave does not appear in our flips dataset.
Is 623 Union Ave a tax-appeal candidate?
No — 623 Union 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
-1.6%
Implied 1-yr
-6.3%
2026 Q3
$173.1K
2026 Q4
$170.1K
ZIP 61008 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave