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237 N Mill St, Naperville, IL 60540 Property Records

DuPage County property record for 237 N Mill St, Naperville, IL 60540

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,844 sqft · built 1926
Lot Size0.13 acres (5,663 sqft)
Owner2 Individual Names on Record
Last Sale$610,000 (Sep 2020)
Tax Bill$16,485 (2025)
Deeds & MortgagesSep 2020 Sale & Mortgage
Sep 2017 Line of Credit
+ 1 more
Flood ZoneZone X (minimal risk)
APN07-13-222-010

Property Details

APN / Parcel Number

Primary APN07-13-222-010

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,844 sqft Living Area
Gross Area4,322 sqft
1st Floor Area1,478 sqft
2nd Floor Area1,366 sqft
Basement Area1,478 sqft

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 1926
Architectural StyleRanch
Construction TypeFrame
Lot Area5,663 sqft (0.13 acres)
Lot Dimensions13.5 ft deep x 4.2 ft wide
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address237 N MILL ST
CityNAPERVILLE
StateIL
Zip60540-4437
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionREUSS SUB OF LOTS 1 TO 12 IN RICHMONDS RESUB OF BLK 4 IN WOODLAWN ADD TO VILLAGE OF NAPERVILLE N 41.77 FT
Legal SubdivisionREUSS SUB
Legal Block4
Legal Lot Number1-12
JurisdictionDU PAGE IL
Township / Civil DivisionNAPERVILLE
Census Block Group1
Census Block1008
Census Tract846504

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 Record2 Individual Names on Record
Mailing Address237 N MILL ST, NAPERVILLE, IL 60540-4437
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Sep 15, 2020Warranty Deed, Transfer · Conventional Mortgage
GUARANTEED RATE AFFINITY LLC
Sep 26, 2017Trustee's Deed, Construction Loan · Line of Credit
HEARTLAND BK
Mar 27, 2017Warranty Deed, Subdivision Related Transfer
CITYWIDE TITLE CORPORATION, CITYWIDE TITLE CORP

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 15, 2020 · Amount on Record
Deed SaleSep 15, 2020 · Amount on Record
Prior SaleMar 27, 2017 · Amount on Record
Deed Document Number2020103596
Prior Transfer DateFeb 7, 2003
Prior Transfer Doc0000285524
Record UpdatedSep 20, 2026

September 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDU PAGE IL
Recording DateSep 15, 2020
Property Address237 N MILL ST, NAPERVILLE, IL 60540-4437
Document Number0000103596
Map ReferenceDOC 44098
Instrument DateSep 10, 2020
InstrumentR2020-103596
Transaction TypeTransfer
Record UpdatedAug 29, 2022
Title CompanyATTORNEY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$610.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address237 N MILL ST, NAPERVILLE, IL 60540-4437

Mortgage

Document Number0000103597
DateSep 15, 2020
InstrumentR2020-103597
Lender
NameGUARANTEED RATE AFFINITY LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term241 Months
DueOct 1, 2040
Interest
Rate TypeFixed Rate
Rate2.87%

September 2017: Trustee's Deed, Construction Loan

Document TypeTrustee's Deed
JurisdictionDU PAGE IL
Recording DateSep 26, 2017
Property Address237 N MILL ST, NAPERVILLE, IL 60540-4437
Instrument DateSep 13, 2017
Instrument99122
Transaction TypeConstruction Loan
Record UpdatedAug 25, 2018
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address237 N MILL ST NAPERVILLE IL 605404437, NAPERVILLE, IL 60540-4437

Mortgage

Document Number0000099122
DateSep 26, 2017
Instrument99122
Lender
NameHEARTLAND BK
TypeBank
AddressPRINCETON, IL 61356
Agreement
TypeLine of Credit
AmountAmount Recorded
Term12 Months
DueSep 25, 2018
Interest
Rate TypeAdjustable Rate

March 2017: Warranty Deed, Subdivision Related Transfer

Document TypeWarranty Deed
JurisdictionDU PAGE IL
Recording DateMar 27, 2017
Property Address237 N MILL ST, NAPERVILLE, IL 60540-4437
Document Number0000029149
Instrument DateFeb 21, 2017
Instrument29149
Transaction TypeSubdivision Related Transfer
Record UpdatedMay 16, 2017
Title CompanyCITYWIDE TITLE CORPORATION, CITYWIDE TITLE CORP

Transaction

AmountAmount Recorded
Tax$375.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address237 N MILL ST NAPERVILLE IL 605404437, NAPERVILLE, IL 60540-4437

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$16,485.00 (+4.55%) Homeowner's exemption$290,739 (+9.67%) Land $76,343 Building $214,396$872,217 (+9.67%) Land $229,029 Building $643,188
2024$15,767.00 (+8.72%)$265,104 (+15.04%) Land $69,612 Building $195,492$795,312 (+15.04%) Land $208,836 Building $586,476
2022$14,502.00 Homeowner's exemption$230,450 Land $60,060 Building $170,390$691,350 Land $180,180 Building $511,170

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

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
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies2 in force
Nearby Flood Claims8 (1979–1996)
Claims Outside the SFHA1 of 8
Most Recent ClaimJul 1996 · Severe Storms 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 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 316 locations within half a mile, as of December 31, 2025

ProviderMax 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 · Fiber in parts of the area		100 / 20
T-Mobile
Fixed Wireless		100 / 20

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