9S535 Allison Ct, Willowbrook, IL 60527 Property Records

DuPage County property record for 9S535 Allison Ct, Willowbrook, IL 60527

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 2,457 sqft · built 1979
Lot Size0.3 acres (13,068 sqft)
Owner2 Individual Names on Record
Last Sale$265,000 (May 1999)
Tax Bill$8,454 (2025)
Deeds & MortgagesJul 2018 Transfer
Flood ZoneZone X (minimal risk)
APN09-35-306-028

Property Details

APN / Parcel Number

Primary APN09-35-306-028

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,457 sqft Living Area
Gross Area2,898 sqft
Basement Area441 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1979
Exterior MaterialBrick
Construction TypeFrame
Lot Area13,068 sqft (0.3 acres)
Garage Area462 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address9S535 ALLISON CT
CityWILLOWBROOK
StateIL
Zip60527-7041
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionBEECHEN & DILLS CLARENDON HEIGHTS SOUTH ALL
Legal SubdivisionBEECHEN & DILLS CLARENDON HEIGHTS
Legal Lot Number26
JurisdictionDU PAGE IL
Township / Civil DivisionDOWNERS GROVE
Census Block Group1
Census Block1013
Census Tract845805

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 Address9S535 ALLISON CT, WILLOWBROOK, IL 60527-7041
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 24, 1999 · Amount on Record
Deed SaleMay 24, 1999 · Amount on Record
Deed Document Number1999117479
Last Transfer DateJun 26, 2018
Transfer Doc0000060107
Record UpdatedSep 20, 2026

July 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionDU PAGE IL
Recording DateJul 2, 2018
Property Address9S535 ALLISON CT, WILLOWBROOK, IL 60527-7041
Document Number0000060107
Instrument DateJun 26, 2018
Instrument60107
Transaction TypeTransfer
Record UpdatedJul 18, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address9S535 ALLISON CT WILLOWBROOK IL 605277041, WILLOWBROOK, IL 60527-7041

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateIllinois
CountyDuPage County
County SubdivisionDowners Grove Township
Elementary School DistrictCass School District 63 (PK - 08)
Secondary School DistrictHinsdale Township High School District 86 (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$8,454.00 (+9.08%)$164,559 (+21.02%) Land $53,687 Building $110,872$493,677 (+21.02%) Land $161,061 Building $332,616
2022$7,750.00 Homeowner's exemption Senior Citizen's exemption$135,980 Land $44,360 Building $91,620$407,940 Land $133,080 Building $274,860

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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 5 (25% premium discount)
Nearby Flood Policies5 in force

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 RiskLow
lower than 99.1% of the US · lower than 94% of Illinois
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 233 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless · DSL
100 / 20

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