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640 Wellner Rd, Naperville, IL 60540 Property Records

DuPage County property record for 640 Wellner Rd, Naperville, IL 60540

Property Summary

Property TypeSingle Family Home
Details6 ba · 5,310 sqft · built 2015
Lot Size0.21 acres (9,148 sqft)
Owner2 Individual Names on File
Last Sale$1,350,000 (Mar 2021)
Tax Bill$28,192 (2025)
Deeds & MortgagesMar 2021 Sale
Jun 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN08-19-117-009

Property Details

APN / Parcel Number

Primary APN08-19-117-009

Interior

Full Baths6 Baths
Half Baths2 Half Baths
Stories2 Stories
Building Area5,310 sqft Living Area
Gross Area5,737 sqft
1st Floor Area1,825 sqft
2nd Floor Area2,116 sqft
Basement Area1,796 sqft
Finished Basement1,369 sqft
Unfinished Basement427 sqft

Exterior

Year BuiltBuilt 2015
Effective Year BuiltEffective 2015
Exterior MaterialWood Siding
Lot Area9,148 sqft (0.21 acres)
Garage Area826 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address640 WELLNER RD
CityNAPERVILLE
StateIL
Zip60540-6726
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionMOSER HIGHLANDS UNIT NO 2
Legal SubdivisionMOSER HIGHLANDS
Legal Block3
Legal Lot Number12
Legal Unit2
JurisdictionDU PAGE IL
Township / Civil DivisionLISLE
Census Block Group1
Census Block1008
Census Tract846209

Owner

640 Wellner Rd is owned and occupied by two individuals who bought it in March 2021.

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

Owner of Record2 Individual Names on File
Mailing Address640 WELLNER RD, NAPERVILLE, IL 60540-6726
OccupancyOwner Occupied
Owner TypeIndividual
VestingTenants by the Entirety

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

DateDocument
Mar 19, 2021Warranty Deed, Transfer
E-CHICAGO TITLE, CHICAGO TITLE
Jun 26, 2017Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 19, 2021 · Amount on File
Deed SaleMar 19, 2021 · Amount on File
Prior SaleJul 1, 2013 · Amount on File
Deed Document Number202143953
Record UpdatedSep 20, 2026

March 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDU PAGE IL
Recording DateMar 19, 2021
Property Address640 WELLNER RD, NAPERVILLE, IL 60540-6726
Document Number0000043953
Map ReferenceDOC 768354
Instrument DateFeb 15, 2021
InstrumentR2021-043953
Transaction TypeTransfer
Record UpdatedAug 5, 2022
Title CompanyE-CHICAGO TITLE, CHICAGO TITLE

Transaction

AmountAmount on Record
Tax$1,350.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address640 WELLNER RD, NAPERVILLE, IL 60540-6726

June 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDU PAGE IL
Property Address640 WELLNER RD, NAPERVILLE, IL 60540-6726
Document Number0000067323
Instrument DateJun 26, 2017
Transaction TypeMortgage
Record UpdatedAug 23, 2018
Title CompanyAMERICAN TITLE COMPANY, AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address640 WELLNER RD NAPERVILLE IL 605406726, NAPERVILLE, IL 60540-6726

Mortgage

Document Number0000067323
DateJul 5, 2017
Instrument67323
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeLine of Credit
AmountAmount on Record
Term360 Months
DueJul 4, 2047
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 640 Wellner Rd was $28,192 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateIllinois
CountyDuPage County
County SubdivisionLisle Township
MunicipalityNaperville City
Unified School DistrictNaperville Community Unit District 203 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$28,192.00$491,078 Land $134,519 Building $356,559$1,473,234 Land $403,557 Building $1,069,677
2022$25,415.00 Homeowner's exemption$398,700 Land $113,120 Building $285,580$1,196,100 Land $339,360 Building $856,740

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 640 Wellner Rd in Zone X, an area of minimal flood risk, though there have been 16 flood claims nearby since 1983.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 14 policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies14 in force
Nearby Flood Claims16 (1983–2016)
Claims Outside the SFHA11 of 16
Most Recent ClaimMay 2016 · other causes
Claims by Event
  • Severe Storms, Straight-line Winds, And Flooding, Apr 2013 · 4 claims
  • Severe Storms And Flooding, Jul 1996 · 5 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 640 Wellner Rd 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 RiskNot 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 SystemNAPERVILLE
serves 156,406 people · EPA ID IL0434670
Water SourcePurchased surface water from DU PAGE WATER COMMISSION
Last State InspectionSep 2025
Lead6 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting15
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 421 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

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