517 Cottage Grove Ave
Rockford, IL 61103
4 bd 2 ba 1,432 sqft Built 1920 Lot 4,792 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 | $34,792 | $4,356 | $39,148 | $2,926 |
| 2023 | $31,223 | $3,909 | $35,132 | $2,593 |
| 2022 | $24,608 | $3,081 | $27,689 | $2,478 |
| 2021 | $24,980 | $2,824 | $27,804 | $3,407 |
| 2020 | $23,030 | $2,670 | $25,700 | $2,533 |
| 2019 | $21,950 | $2,545 | $24,495 | $2,477 |
| 2018 | $20,687 | $2,398 | $23,085 | $2,438 |
| 2017 | $19,798 | $2,295 | $22,093 | $2,387 |
| 2016 | $19,427 | $2,252 | $21,679 | $2,368 |
| 2015 | $19,427 | $2,252 | $21,679 | $2,398 |
| 2014 | $16,951 | $2,816 | $19,767 | $2,062 |
| 2013 | $18,008 | $2,992 | $21,000 | $2,100 |
| 2012 | $22,782 | $3,173 | $25,955 | $2,574 |
| 2011 | $24,009 | $3,344 | $27,353 | $2,657 |
| 2010 | $25,270 | $3,520 | $28,790 | $2,580 |
| 2008 | $27,746 | $3,463 | $31,209 | $2,687 |
| 2007 | $23,377 | $3,305 | $26,682 | $2,229 |
| 2006 | $22,932 | $3,067 | $25,999 | $2,198 |
Property facts
Year built
1920
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,432 sqft
Lot size
4,792 sqft
ZIP code
61103
City
Rockford
Street
Cottage Grove Ave
Coordinates
42.29323, -89.06915
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 517 Cottage Grove Ave last sell?
No public-record sale is on file for 517 Cottage Grove Ave.
What is the current tax assessment for 517 Cottage Grove Ave?
The most recent total assessment for 517 Cottage Grove Ave (year 2025) is $39,148 with $2,926 in property tax.
When was 517 Cottage Grove Ave built?
517 Cottage Grove Ave was built in 1920.
How does 517 Cottage Grove Ave compare to others on Cottage Grove Ave?
We track 7 other properties on Cottage Grove Ave. Browse the list under "Other properties on Cottage Grove Ave" to compare beds, baths, and sale history.
What are the property facts for 517 Cottage Grove Ave?
517 Cottage Grove Ave is a 4 bed, 2 bath, 1,432 sqft, 4,792 sqft lot single_family.
Is 517 Cottage Grove Ave a flip candidate?
No — 517 Cottage Grove Ave does not appear in our flips dataset.
Is 517 Cottage Grove Ave a tax-appeal candidate?
No — 517 Cottage Grove 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
-0.2%
Implied 1-yr
-0.8%
2026 Q3
$135.7K
2026 Q4
$135.4K
ZIP 61103 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Cottage Grove Ave