421 Warren Ave
Rockford, IL 61107
4 bd 2 ba 2,361 sqft Built 1961 Lot 15,682 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 | $52,215 | $7,592 | $59,807 | $4,750 |
| 2023 | $49,175 | $6,813 | $55,988 | $4,502 |
| 2022 | $38,756 | $5,369 | $44,125 | $4,355 |
| 2021 | $35,536 | $4,923 | $40,459 | $4,223 |
| 2020 | $33,594 | $4,654 | $38,248 | $4,146 |
| 2019 | $32,019 | $4,436 | $36,455 | $4,883 |
| 2018 | $30,164 | $4,181 | $34,345 | $4,901 |
| 2017 | $27,249 | $4,001 | $31,250 | $4,636 |
| 2016 | $26,738 | $3,926 | $30,664 | $4,632 |
| 2015 | $26,738 | $3,926 | $30,664 | $4,690 |
| 2014 | $25,752 | $4,915 | $30,667 | $4,594 |
| 2013 | $26,396 | $5,221 | $31,617 | $3,586 |
| 2012 | $27,995 | $5,537 | $33,532 | $3,552 |
| 2011 | $33,429 | $5,835 | $39,264 | $4,132 |
| 2010 | $35,185 | $6,141 | $41,326 | $4,000 |
| 2008 | $36,628 | $6,042 | $42,670 | $3,885 |
| 2007 | $34,960 | $5,767 | $40,727 | $3,674 |
| 2006 | $33,678 | $5,347 | $39,025 | $3,562 |
Property facts
Year built
1961
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
2,361 sqft
Lot size
15,682 sqft
ZIP code
61107
City
Rockford
Street
Warren Ave
Coordinates
42.27109, -89.04411
Comparable properties nearby
Frequently asked questions
When did 421 Warren Ave last sell?
No public-record sale is on file for 421 Warren Ave.
What is the current tax assessment for 421 Warren Ave?
The most recent total assessment for 421 Warren Ave (year 2025) is $59,807 with $4,750 in property tax.
When was 421 Warren Ave built?
421 Warren Ave was built in 1961.
How does 421 Warren Ave compare to others on Warren Ave?
We track 8 other properties on Warren Ave. Browse the list under "Other properties on Warren Ave" to compare beds, baths, and sale history.
What are the property facts for 421 Warren Ave?
421 Warren Ave is a 4 bed, 2 bath, 2,361 sqft, 15,682 sqft lot single_family.
Is 421 Warren Ave a flip candidate?
No — 421 Warren Ave does not appear in our flips dataset.
Is 421 Warren Ave a tax-appeal candidate?
No — 421 Warren 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
+3.2%
Implied 1-yr
+12.8%
2026 Q3
$293.2K
2026 Q4
$301K
ZIP 61107 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Warren Ave