427 Prospect St
Rockford, IL 61107
4 bd 4 ba 2,637 sqft Built 1935 Lot 11,326 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 | $67,212 | $9,615 | $76,827 | $6,253 |
| 2023 | $70,620 | $8,629 | $79,249 | $6,632 |
| 2022 | $55,658 | $6,801 | $62,459 | $6,450 |
| 2021 | $51,034 | $6,236 | $57,270 | $5,671 |
| 2020 | $48,245 | $5,895 | $54,140 | $5,547 |
| 2019 | $45,983 | $5,619 | $51,602 | $5,439 |
| 2018 | $43,334 | $5,296 | $48,630 | $5,604 |
| 2017 | $41,472 | $5,068 | $46,540 | $6,904 |
| 2016 | $40,695 | $4,973 | $45,668 | $5,992 |
| 2015 | $40,695 | $4,973 | $45,668 | $6,985 |
| 2014 | $42,198 | $6,230 | $48,428 | $7,255 |
| 2013 | $44,829 | $6,619 | $51,448 | $7,203 |
| 2012 | $47,544 | $7,020 | $54,564 | $5,749 |
| 2011 | $52,560 | $7,397 | $59,957 | $6,208 |
| 2010 | $55,321 | $7,786 | $63,107 | $6,013 |
| 2008 | $57,477 | $7,660 | $65,137 | $6,234 |
| 2007 | $54,860 | $7,311 | $62,171 | $5,879 |
| 2006 | $49,778 | $6,776 | $56,554 | $5,398 |
Property facts
Year built
1935
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,637 sqft
Lot size
11,326 sqft
ZIP code
61107
City
Rockford
Street
Prospect St
Coordinates
42.27133, -89.06751
Comparable properties nearby
Frequently asked questions
When did 427 Prospect St last sell?
No public-record sale is on file for 427 Prospect St.
What is the current tax assessment for 427 Prospect St?
The most recent total assessment for 427 Prospect St (year 2025) is $76,827 with $6,253 in property tax.
When was 427 Prospect St built?
427 Prospect St was built in 1935.
How does 427 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 427 Prospect St?
427 Prospect St is a 4 bed, 4 bath, 2,637 sqft, 11,326 sqft lot single_family.
Is 427 Prospect St a flip candidate?
No — 427 Prospect St does not appear in our flips dataset.
Is 427 Prospect St a tax-appeal candidate?
No — 427 Prospect St 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 Prospect St