501 Mason St
Ottawa, IL 61350
3 bd 1 ba 1,274 sqft Built 1941 Lot 8,712 sqft single_family
Most recent sale
$140,000
Dec 22, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 23, 2025 | Sold | $177,000 | MRED |
| Sep 21, 2025 | Listed | $175,000 | MRED |
| Dec 22, 2022 | Sold | $140,000 | MRED |
| Sep 28, 2022 | Listed | $159,900 | MRED |
| Sep 21, 2022 | Listing removed | $1,450 | MRED |
| Sep 8, 2022 | Listed for rent | $1,450 | MRED |
| Jun 8, 2022 | Sold | $112,000 | MLS #11388475 |
| May 12, 2022 | Relisted | $105,000 | MLS #11388475 |
| May 7, 2022 | Listing removed | $105,000 | MRED |
| Apr 28, 2022 | Listed | $105,000 | MLS #11388475 |
| Jan 31, 2003 | Sold | $91,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2024 | $43,319 | $8,853 | $52,172 | $4,350 |
| 2023 | $39,925 | $8,159 | $48,084 | $4,036 |
| 2018 | $28,145 | $5,966 | $34,111 | $2,073 |
| 2017 | $27,534 | $5,836 | $33,370 | $2,065 |
| 2016 | $26,552 | $5,628 | $32,180 | $2,072 |
| 2015 | $25,411 | $5,386 | $30,797 | $2,066 |
| 2014 | $24,545 | $5,202 | $29,747 | $1,948 |
| 2013 | $24,883 | $5,274 | $30,157 | $1,960 |
| 2012 | $25,906 | $5,491 | $31,397 | $2,573 |
| 2011 | $27,391 | $5,806 | $33,197 | $2,724 |
| 2010 | $28,915 | $6,129 | $35,044 | $2,836 |
| 2009 | $29,442 | $6,241 | $35,683 | $2,800 |
| 2008 | $29,165 | $6,182 | $35,347 | $2,804 |
| 2006 | $27,020 | $5,727 | $32,747 | $2,419 |
| 2005 | — | — | $28,467 | $2,250 |
Property facts
Year built
1941
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,274 sqft
Lot size
8,712 sqft
ZIP code
61350
City
Ottawa
Street
Mason St
Coordinates
41.33048, -88.83443
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$840
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 501 Mason St last sell?
501 Mason St most recently sold on Dec 22, 2022 for $140,000.
What is the current tax assessment for 501 Mason St?
The most recent total assessment for 501 Mason St (year 2024) is $52,172 with $4,350 in property tax.
How does 501 Mason St's assessment compare to its last sale price?
The current assessment is 62.7% below the last sale price of $140,000.
When was 501 Mason St built?
501 Mason St was built in 1941.
How does 501 Mason St compare to others on Mason St?
We track 8 other properties on Mason St. Browse the list under "Other properties on Mason St" to compare beds, baths, and sale history.
What are the property facts for 501 Mason St?
501 Mason St is a 3 bed, 1 bath, 1,274 sqft, 8,712 sqft lot single_family.
Is 501 Mason St a flip candidate?
Yes — 501 Mason St appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 501 Mason St a tax-appeal candidate?
No — 501 Mason 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
+4.5%
Implied 1-yr
+18.2%
2026 Q3
$286.3K
2026 Q4
$296.3K
ZIP 61350 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mason St