121 Prospect St
Rockford, IL 61104
4 bd 2 ba 2,496 sqft Built 1915 multi_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 | $33,984 | $6,408 | $40,392 | $2,412 |
| 2023 | $30,498 | $5,751 | $36,249 | $3,161 |
| 2022 | $22,680 | $4,531 | $27,211 | $3,108 |
| 2021 | $20,796 | $4,155 | $24,951 | $3,058 |
| 2020 | $19,660 | $3,928 | $23,588 | $3,033 |
| 2019 | $18,738 | $3,744 | $22,482 | $3,011 |
| 2018 | $17,660 | $3,529 | $21,189 | $3,023 |
| 2017 | $16,901 | $3,377 | $20,278 | $3,008 |
| 2016 | $16,584 | $3,314 | $19,898 | $3,005 |
| 2015 | $16,584 | $3,314 | $19,898 | $3,043 |
| 2014 | $17,886 | $4,152 | $22,038 | $3,301 |
| 2013 | $19,001 | $4,411 | $23,412 | $3,278 |
| 2012 | $25,703 | $4,678 | $30,381 | $3,919 |
| 2011 | $29,550 | $4,930 | $34,480 | $4,271 |
| 2010 | $31,102 | $5,189 | $36,291 | $4,109 |
| 2008 | $34,423 | $5,105 | $39,528 | $4,132 |
| 2007 | $32,856 | $4,873 | $37,729 | $3,880 |
| 2006 | $26,672 | $4,515 | $31,187 | $3,265 |
Property facts
Year built
1915
Property type
multi_family
Stories
2
Beds
4
Baths
2
Living area
2,496 sqft
Lot size
—
ZIP code
61104
City
Rockford
Street
Prospect St
Coordinates
42.26625, -89.06873
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 121 Prospect St last sell?
No public-record sale is on file for 121 Prospect St.
What is the current tax assessment for 121 Prospect St?
The most recent total assessment for 121 Prospect St (year 2025) is $40,392 with $2,412 in property tax.
When was 121 Prospect St built?
121 Prospect St was built in 1915.
How does 121 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 121 Prospect St?
121 Prospect St is a 4 bed, 2 bath, 2,496 sqft multi_family.
Is 121 Prospect St a flip candidate?
No — 121 Prospect St does not appear in our flips dataset.
Is 121 Prospect St a tax-appeal candidate?
No — 121 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
-0.1%
Implied 1-yr
-0.5%
2026 Q3
$252.8K
2026 Q4
$252.5K
ZIP 61104 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St