421 School St
Naperville, IL 60540
2 bd 2 ba 1,200 sqft Built 1912 Lot 3,920 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 | $70,859 | $72,831 | $143,690 | $8,180 |
| 2022 | $60,610 | $62,300 | $122,910 | $7,439 |
| 2021 | $42,760 | $59,940 | $102,700 | $6,666 |
| 2020 | $41,990 | $58,860 | $100,850 | $6,528 |
| 2019 | $40,170 | $56,310 | $96,480 | $6,350 |
| 2018 | $38,820 | $54,420 | $93,240 | $6,138 |
| 2017 | $37,510 | $52,580 | $90,090 | $6,024 |
| 2016 | $36,150 | $50,680 | $86,830 | $5,914 |
| 2015 | $34,040 | $47,730 | $81,770 | $5,894 |
| 2014 | $32,820 | $46,010 | $78,830 | $5,421 |
| 2013 | $32,900 | $46,120 | $79,020 | $5,340 |
| 2012 | $34,180 | $47,920 | $82,100 | $5,178 |
| 2011 | $36,340 | $50,950 | $87,290 | $5,107 |
| 2010 | $37,530 | $52,620 | $90,150 | $4,961 |
| 2008 | $38,950 | $54,610 | $93,560 | $4,783 |
| 2007 | $36,780 | $51,570 | $88,350 | $4,565 |
| 2006 | $36,780 | $41,250 | $78,030 | $4,111 |
Property facts
Year built
1912
Property type
single_family
Stories
2
Beds
2
Baths
2
Living area
1,200 sqft
Lot size
3,920 sqft
ZIP code
60540
City
Naperville
Street
School St
Coordinates
41.77755, -88.14133
Comparable properties nearby
Frequently asked questions
When did 421 School St last sell?
No public-record sale is on file for 421 School St.
What is the current tax assessment for 421 School St?
The most recent total assessment for 421 School St (year 2024) is $143,690 with $8,180 in property tax.
When was 421 School St built?
421 School St was built in 1912.
How does 421 School St compare to others on School St?
We track 1 other property on School St. Browse the list under "Other properties on School St" to compare beds, baths, and sale history.
What are the property facts for 421 School St?
421 School St is a 2 bed, 2 bath, 1,200 sqft, 3,920 sqft lot single_family.
Is 421 School St a flip candidate?
No — 421 School St does not appear in our flips dataset.
Is 421 School St a tax-appeal candidate?
No — 421 School 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
+0.6%
Implied 1-yr
+2.4%
2026 Q3
$1.18M
2026 Q4
$1.18M
ZIP 60540 — Median Price History + Forecast
Explore nearby
Geography
Other properties on School St