20 E Jefferson Ave, Naperville, IL 60540 Property Records

DuPage County property record for 20 E Jefferson Ave, Naperville, IL 60540

Property Summary

Property Type	Commercial
Lot Size	0.16 acres (6,970 sqft)
Owner	Company Name on Record
Tax Bill	$6,991 (2025)
Flood Zone	Zone X (minimal risk)
APN	`08-18-324-003`

Property Details

APN / Parcel Number

Primary APN	`08-18-324-003`

Interior

Units	22 Units

Exterior

Lot Area	6,970 sqft (0.16 acres)

Location & Zoning

Street Address	20 E JEFFERSON AVE
City	NAPERVILLE
State	IL
Zip	60540-8420
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	C
Legal Description	SIGMUNDS ADD
Legal Subdivision	SIGMUNDS ADD
Legal Lot Number	9
Jurisdiction	DU PAGE IL
Township / Civil Division	LISLE
Census Block Group	2
Census Block	2022
Census Tract	846103

Owner

Source: DuPage County records, as of August 17, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	PO BOX 460169, HOUSTON, TX 77056-8169
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 31, 1996
Deed Sale	Jul 31, 1996
Prior Sale	May 22, 1996
Deed Document Number	1996125520
Prior Transfer Date	Aug 7, 1987
Prior Transfer Doc	0000085208
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: DuPage County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Illinois
County	DuPage County
County Subdivision	Lisle Township
Municipality	Naperville City
Unified School District	Naperville Community Unit District 203 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$6,991.00 (+6.6%)	$97,332 (+18.92%) Land $94,502 Building $2,830	$291,996 (+18.92%) Land $283,506 Building $8,490
2022	$6,558.00	$81,850 Land $79,470 Building $2,380	$245,550 Land $238,410 Building $7,140

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 1, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	15 (1979–2013)
Claims Outside the SFHA	14 of 15
Most Recent Claim	Apr 2013 · Severe Storms, Straight-line Winds, And Flooding
Claims by Event	Severe Storms And Flooding, Jul 1996 · 4 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	NAPERVILLE serves 156,406 people · EPA ID IL0434670
Water Source	Purchased surface water from DU PAGE WATER COMMISSION
Last State Inspection	Sep 2025
Lead	6 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	15 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 317 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20