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617 Flock Ave, Naperville, IL 60565 Property Records

DuPage County property record for 617 Flock Ave, Naperville, IL 60565

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 3,244 sqft · built 1986
Lot Size0.23 acres (10,019 sqft)
Owner2 Individual Names on File
Last Sale$630,000 (Oct 2021)
Tax Bill$14,716 (2025)
Deeds & MortgagesJun 2026 Line of Credit
Oct 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN08-31-106-005

Property Details

APN / Parcel Number

Primary APN08-31-106-005

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area3,244 sqft Living Area
Gross Area5,062 sqft
1st Floor Area1,818 sqft
2nd Floor Area1,426 sqft
Basement Area1,818 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1986
Exterior MaterialWood Siding
Lot Area10,019 sqft (0.23 acres)
Garage Area440 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemElectric

Location & Zoning

Street Address617 FLOCK AVE
CityNAPERVILLE
StateIL
Zip60565-1297
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionWINDING CREEK ESTATES UNIT 3 ALL
Legal SubdivisionWINDING CREEK ESTATES
Legal Lot Number327
Legal Unit3
JurisdictionDU PAGE IL
Township / Civil DivisionLISLE
Census Block Group4
Census Block4003
Census Tract846207

Owner

617 Flock Ave is owned and occupied by two individuals who bought it in October 2021.

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

Owner of Record2 Individual Names on File
Mailing Address617 FLOCK AVE, NAPERVILLE, IL 60565-1297
OccupancyOwner Occupied
Owner TypeIndividual

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
Jun 4, 2026Deed of Trust, Mortgage · Line of Credit
JPMORGAN CHASE BANK N A
Oct 21, 2021Warranty Deed, Transfer · Conventional Mortgage
CIBM BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 21, 2021 · Amount on File
Deed SaleOct 21, 2021 · Amount on File
Deed Document Number2021155536
Record UpdatedSep 20, 2026

June 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDU PAGE IL
Recording DateJun 4, 2026
Property Address617 FLOCK AVE, NAPERVILLE, IL 60565-1297
Document Number0000037341
Instrument DateMay 23, 2026
Instrument202637341
Transaction TypeMortgage
Record UpdatedJul 12, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety, 298
Address617 FLOCK AVE, NAPERVILLE, IL 60565-1297

Mortgage

Document Number0000037341,
DateJun 4, 2026
Instrument202637341
Lender
NameJPMORGAN CHASE BANK N A
Agreement
TypeLine of Credit
AmountAmount on Record
Term360 Months
DueJun 1, 2056
Interest
Rate6.23%
Max Rate-1%

October 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDU PAGE IL
Recording DateOct 21, 2021
Property Address617 FLOCK AVE, NAPERVILLE, IL 60565-1297
Document Number0000155536
Map ReferenceDOC R85-70110
Instrument DateSep 24, 2021
InstrumentR2021-155536
Transaction TypeTransfer
Record UpdatedDec 14, 2021
Title CompanyE-CHICAGO TITLE, CHICAGO TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$630.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address617 FLOCK AVE, NAPERVILLE, IL 60565-1297

Mortgage

Document Number0000155537
DateOct 21, 2021
InstrumentR2021-155537
Lender
NameCIBM BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueOct 1, 2051
Interest
Rate TypeFixed Rate
Rate3.12%

Tax Assessment & Valuation

The 2025 property tax bill for 617 Flock Ave was $14,716 with a homeowner's exemption, up 3.7% from the year before.

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$14,716.00 (+3.67%) Homeowner's exemption$260,166 (+8.53%) Land $85,287 Building $174,879$780,498 (+8.53%) Land $255,861 Building $524,637
2024$14,195.00$239,718 Land $78,584 Building $161,134$719,154 Land $235,752 Building $483,402
2022$12,070.00 Homeowner's exemption$192,510 Land $65,530 Building $126,980$577,530 Land $196,590 Building $380,940

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 617 Flock Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.

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
Nearby Flood Claims1 (2017)
Claims Outside the SFHA1 of 1
Most Recent ClaimOct 2017 · rainfall accumulation

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 617 Flock Ave 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 491 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
AT&T
Fixed Wireless · DSL		100 / 20
T-Mobile
Fixed Wireless		100 / 20

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