548 S Main St, Naperville, IL 60540 Property Records

DuPage County property record for 548 S Main St, Naperville, IL 60540

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,268 sqft · built 1946
Lot Size	0.18 acres (7,841 sqft)
Owner	2 Trust Names on File
Last Sale	$495,000 (May 2021)
Tax Bill	$9,689 (2025)
Deeds & Mortgages	May 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`07-24-204-009`

Property Details

APN / Parcel Number

Primary APN	`07-24-204-009`

Interior

Full Baths	1 Bath
Stories	2 Stories
Building Area	1,268 sqft Living Area
Gross Area	1,902 sqft
1st Floor Area	634 sqft
2nd Floor Area	634 sqft
Basement Area	634 sqft

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Construction Type	Brick
Lot Area	7,841 sqft (0.18 acres)
Lot Dimensions	15.6 ft deep x 5 ft wide
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	548 S MAIN ST
City	NAPERVILLE
State	IL
Zip	60540-6511
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R
Legal Description	MARTINS 2ND ADD
Legal Subdivision	MARTINS 2ND ADD
Legal Block	1
Legal Lot Number	10
Legal Unit	1
Jurisdiction	DU PAGE IL
Township / Civil Division	NAPERVILLE
Census Block Group	2
Census Block	2032
Census Tract	846504

Owner

548 S Main St is owner-occupied and held in a trust since May 2021.

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

Owner of Record	2 Trust Names on File
Mailing Address	548 S MAIN ST, NAPERVILLE, IL 60540-6511
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 26, 2021 · Amount on File
Deed Sale	May 26, 2021 · Amount on File
Prior Sale	Aug 24, 2016 · Amount on File
Deed Document Number	202182004
Prior Transfer Date	Sep 19, 1997
Prior Transfer Doc	0000147235
Record Updated	Oct 29, 2026

May 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DU PAGE IL
Recording Date	May 26, 2021
Property Address	548 S MAIN ST, NAPERVILLE, IL 60540-6511
Document Number	0000082004
Map Reference	DOC 10068
Instrument Date	May 14, 2021
Instrument	R2021-082004
Transaction Type	Transfer
Record Updated	Dec 14, 2021
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$495.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	548 S MAIN ST, 548, NAPERVILLE, IL 60540-6511

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	548 S MAIN ST, NAPERVILLE, IL 60540-6511

Mortgage

Document Number	0000082005
Date	May 26, 2021
Instrument	R2021-082005

Lender

Name	COMPASS MORTGAGE INC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

The 2025 property tax bill for 548 S Main St was $9,689.

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

Property Jurisdictions

Type	Name
State	Illinois
County	DuPage County
County Subdivision	Naperville 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	$9,689.00	$174,180 Land $115,193 Building $58,987	$522,540 Land $345,579 Building $176,961
2022	$8,333.00 Homeowner's exemption	$134,980 Land $88,900 Building $46,080	$404,940 Land $266,700 Building $138,240

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 548 S Main St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 13 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	13 in force
Nearby Flood Claims	22 (1996–2025)
Claims Outside the SFHA	6 of 22
Most Recent Claim	Apr 2025 · other causes
Claims by Event	Severe Storms, Straight-line Winds, And Flooding, Apr 2013 · 6 claims Severe Storms And Flooding, Sep 2008 · 13 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

The area around 548 S Main St has no burnable land within ember reach, so its wildfire risk is not rated.

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 326 locations within half a mile, as of December 31, 2025

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