4 William St
Mount Prospect, IL 60056
3 bd 3 ba 2,490 sqft Built 1957 Lot 11,552 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 |
|---|---|---|---|---|
| 2023 | $30,448 | $11,552 | $42,000 | $10,756 |
| 2022 | $30,448 | $11,552 | $42,000 | $10,313 |
| 2021 | $28,070 | $7,220 | $35,290 | $9,939 |
| 2020 | $28,070 | $7,220 | $35,290 | $9,801 |
| 2019 | $32,255 | $7,220 | $39,475 | $9,864 |
| 2018 | $34,785 | $6,353 | $41,138 | $12,553 |
| 2017 | $34,785 | $6,353 | $41,138 | $10,727 |
| 2016 | $34,785 | $6,353 | $41,138 | $9,758 |
| 2015 | $25,697 | $5,487 | $31,184 | $7,736 |
| 2014 | $25,697 | $5,487 | $31,184 | $7,630 |
| 2013 | $25,697 | $5,487 | $31,184 | $7,597 |
| 2012 | $29,663 | $6,064 | $35,727 | $8,087 |
| 2011 | $29,663 | $6,064 | $35,727 | $7,911 |
| 2010 | $29,663 | $6,064 | $35,727 | $7,510 |
| 2009 | $41,676 | $6,353 | $48,029 | $6,252 |
| 2007 | $41,480 | $10,165 | $51,645 | $5,597 |
| 2006 | $30,601 | $8,317 | $38,918 | $6,260 |
Property facts
Year built
1957
Property type
single_family
Stories
1
Beds
3
Baths
3
Living area
2,490 sqft
Lot size
11,552 sqft
ZIP code
60056
City
Mount Prospect
Street
William St
Coordinates
42.06669, -87.92897
Comparable properties nearby
Frequently asked questions
When did 4 William St last sell?
No public-record sale is on file for 4 William St.
What is the current tax assessment for 4 William St?
The most recent total assessment for 4 William St (year 2023) is $42,000 with $10,756 in property tax.
When was 4 William St built?
4 William St was built in 1957.
How does 4 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 4 William St?
4 William St is a 3 bed, 3 bath, 2,490 sqft, 11,552 sqft lot single_family.
Is 4 William St a flip candidate?
No — 4 William St does not appear in our flips dataset.
Is 4 William St a tax-appeal candidate?
No — 4 William 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
+2.7%
Implied 1-yr
+10.7%
2026 Q3
$471.8K
2026 Q4
$482.5K
ZIP 60056 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St