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428 Flock Ave, Naperville, IL 60565 Property Records

DuPage County property record for 428 Flock Ave, Naperville, IL 60565

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 3,028 sqft · built 1986
Lot Size0.23 acres (10,019 sqft)
Owner2 Individual Names on File
Last Sale$382,000 (Aug 2001)
Tax Bill$12,960 (2025)
Deeds & MortgagesSep 2021 Transfer
Flood ZoneZone X (minimal risk)
APN08-30-312-024

Property Details

APN / Parcel Number

Primary APN08-30-312-024

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area3,028 sqft Living Area
Gross Area4,750 sqft
1st Floor Area1,722 sqft
2nd Floor Area1,306 sqft
Basement Area1,722 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1986
Exterior MaterialWood Siding
Lot Area10,019 sqft (0.23 acres)
Garage Area529 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address428 FLOCK AVE
CityNAPERVILLE
StateIL
Zip60565-1293
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionWINDING CREEK ESTATES UNIT 2 ALL
Legal SubdivisionWINDING CREEK ESTATES
Legal Lot Number160
Legal Unit2
JurisdictionDU PAGE IL
Township / Civil DivisionLISLE
Census Block Group3
Census Block3013
Census Tract846207

Owner

428 Flock Ave is owned and occupied by two individuals who acquired it in September 2021.

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

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

Owner of Record2 Individual Names on File
Mailing Address428 FLOCK AVE, NAPERVILLE, IL 60565-1293
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 3, 2001 · Amount on File
Deed SaleAug 3, 2001 · Amount on File
Deed Document Number2001161878
Last Transfer DateSep 3, 2021
Transfer Doc0000144225
Record UpdatedSep 20, 2026

September 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionDU PAGE IL
Recording DateSep 29, 2021
Property Address428 FLOCK AVE, NAPERVILLE, IL 60565-1293
Document Number0000144225
Map ReferenceDOC R85-10030
Instrument DateSep 3, 2021
InstrumentR2021-144225
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address428 FLOCK AVE, NAPERVILLE, IL 60565-1293

Tax Assessment & Valuation

The 2025 property tax bill for 428 Flock Ave was $12,960 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$12,960.00$230,079 Land $85,287 Building $144,792$690,237 Land $255,861 Building $434,376
2022$11,052.00 Homeowner's exemption$176,780 Land $65,530 Building $111,250$530,340 Land $196,590 Building $333,750

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 428 Flock Ave 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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies5 in force
Nearby Flood Claims1 (1991)
Most Recent ClaimOct 1991 · 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 428 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 417 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
DSL		100 / 20

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