121 Prospect Ave
Ottawa, IL 61350
6 bd 5 ba 4,573 sqft Built 1890 Lot 19,602 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 |
|---|---|---|---|---|
| 2024 | $14,689 | — | $14,689 | $1,399 |
| 2023 | $13,538 | — | $13,538 | $1,315 |
| 2022 | $102,131 | $16,275 | $118,406 | $12,662 |
| 2021 | $95,754 | $15,259 | $111,013 | $11,302 |
| 2020 | $91,299 | $14,549 | $105,848 | $10,688 |
| 2019 | $88,554 | $14,112 | $102,666 | $10,697 |
| 2018 | $86,293 | $13,752 | $100,045 | $10,476 |
| 2017 | $84,419 | $13,453 | $97,872 | $10,117 |
| 2016 | $81,407 | $12,973 | $94,380 | $9,768 |
| 2015 | $77,909 | $12,416 | $90,325 | $9,292 |
| 2014 | $75,253 | $11,993 | $87,246 | $8,443 |
| 2013 | $76,291 | $12,158 | $88,449 | $8,434 |
| 2012 | $79,428 | $12,658 | $92,086 | $8,722 |
| 2011 | $83,980 | $13,383 | $97,363 | $9,149 |
| 2010 | $109,134 | $14,128 | $123,262 | $11,450 |
| 2008 | $110,077 | $14,251 | $124,328 | $11,165 |
| 2006 | $101,980 | $13,203 | $115,183 | $9,708 |
Property facts
Year built
1890
Property type
single_family
Stories
3
Beds
6
Baths
5
Living area
4,573 sqft
Lot size
19,602 sqft
ZIP code
61350
City
Ottawa
Street
Prospect Ave
Coordinates
41.33951, -88.83914
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 121 Prospect Ave last sell?
No public-record sale is on file for 121 Prospect Ave.
What is the current tax assessment for 121 Prospect Ave?
The most recent total assessment for 121 Prospect Ave (year 2024) is $14,689 with $1,399 in property tax.
When was 121 Prospect Ave built?
121 Prospect Ave was built in 1890.
How does 121 Prospect Ave compare to others on Prospect Ave?
We track 8 other properties on Prospect Ave. Browse the list under "Other properties on Prospect Ave" to compare beds, baths, and sale history.
What are the property facts for 121 Prospect Ave?
121 Prospect Ave is a 6 bed, 5 bath, 4,573 sqft, 19,602 sqft lot single_family.
Is 121 Prospect Ave a flip candidate?
No — 121 Prospect Ave does not appear in our flips dataset.
Is 121 Prospect Ave a tax-appeal candidate?
No — 121 Prospect 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
+5.7%
Implied 1-yr
+22.9%
2026 Q3
$290.9K
2026 Q4
$303K
ZIP 61350 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect Ave