509 Mill St
Knoxville, IL 61448
— ba 1,092 sqft Built 1906 Lot 14,568 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 | $24,010 | $3,250 | $27,260 | $2,318 |
| 2024 | $24,010 | $3,250 | $27,260 | $2,123 |
| 2023 | $23,190 | $3,140 | $26,330 | $1,912 |
| 2022 | $19,610 | $2,650 | $22,260 | $1,823 |
| 2021 | $18,500 | $2,500 | $21,000 | $1,714 |
| 2020 | $17,960 | $2,430 | $20,390 | $1,691 |
| 2019 | $17,610 | $2,380 | $19,990 | $1,667 |
| 2018 | $17,100 | $2,310 | $19,410 | $1,629 |
| 2017 | $16,930 | $2,290 | $19,220 | $1,621 |
| 2016 | $16,440 | $2,220 | $18,660 | $1,679 |
| 2015 | $16,440 | $2,220 | $18,660 | $1,610 |
| 2014 | $16,440 | $2,220 | $18,660 | $1,594 |
| 2013 | $16,440 | $2,220 | $18,660 | $1,580 |
| 2012 | $16,120 | $2,180 | $18,300 | $1,517 |
| 2010 | $15,800 | $2,140 | $17,940 | $1,505 |
| 2009 | $15,800 | $2,140 | $17,940 | $1,541 |
| 2008 | $16,120 | $2,180 | $18,300 | $1,504 |
Property facts
Year built
1906
Property type
single_family
Stories
1
Beds
—
Baths
—
Living area
1,092 sqft
Lot size
14,568 sqft
ZIP code
61448
City
Knoxville
Street
Mill St
Coordinates
40.90525, -90.27841
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 509 Mill St last sell?
No public-record sale is on file for 509 Mill St.
What is the current tax assessment for 509 Mill St?
The most recent total assessment for 509 Mill St (year 2025) is $27,260 with $2,318 in property tax.
When was 509 Mill St built?
509 Mill St was built in 1906.
How does 509 Mill St compare to others on Mill St?
We track 8 other properties on Mill St. Browse the list under "Other properties on Mill St" to compare beds, baths, and sale history.
What are the property facts for 509 Mill St?
509 Mill St is a — bath, 1,092 sqft, 14,568 sqft lot single_family.
Is 509 Mill St a flip candidate?
No — 509 Mill St does not appear in our flips dataset.
Is 509 Mill St a tax-appeal candidate?
No — 509 Mill 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
-5.6%
Implied 1-yr
-22.5%
2026 Q1
$119.9K
2026 Q2
$109.3K
ZIP 61448 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mill St