DuPage County property record for 9S455 Allison Ct, Willowbrook, IL 60527 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 2.5 Baths |
| Year Built | Built 1979 |
| Square Footage | 2,457 sqft Living Area |
| Lot Size | 12,632 sqft (0.29 acres) |
| Garage | 462 sqft |
| Last Sale | $410,000 (2025) |
| Tax Bill | $8,308.00 (2025) |
| Primary APN | 09-35-305-034 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Partial Baths | 1 Partial Baths |
| Building Area | 2,457 sqft Living Area |
| Gross Area | 2,877 sqft Gross Area |
| Basement Area | 420 sqft Basement |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Brick Exterior |
| Construction Type | Frame Construction |
| Lot Area | 12,632 sqft (0.29 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 462 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 9S455 ALLISON CT |
|---|---|
| City | WILLOWBROOK |
| State | IL |
| Zip | 60527-7004 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | BEECHEN & DILLS CLARENDON HEIGHTS SOUTH ALL |
| Legal Subdivision | BEECHEN & DILLS CLARENDON HEIGHTS |
| Legal Lot Number | 21 |
| Jurisdiction | DU PAGE IL |
| Minor Civil Division | DOWNERS GROVE |
| Census Blockgroup | 1 |
| Census Block | 1013 |
| Census Tract | 845805 |
Source: DuPage County records · APN 09-35-305-034
Assessment roll updated August 17, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 332 TAMERTON PKWY, BURR RIDGE, IL 60527-6346 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 24, 2025 · Amount on Record |
| Deed Sale | Jan 24, 2025 · Amount on Record |
| Deed Doc Number | 20254845 |
| Prior Transfer Date | Aug 13, 2024 |
| Prior Transfer Doc | 0000046882 |
| Record Refreshed | Sep 20, 2026 |
Source: DuPage County records · Assessment roll updated August 17, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Downers Grove Township |
| Elementary School District | Cass School District 63 (PK - 08) |
| Secondary School District | Hinsdale Township High School District 86 (09 - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,308.00 (+9.06%) | $161,987 (+21.01%) Land $52,431 Building $109,556 | $485,961 (+21.01%) Land $157,293 Building $328,668 |
| 2022 | $7,618.00 Homeowner's exemption Senior Citizen's exemption | $133,860 Land $43,330 Building $90,530 | $401,580 Land $129,990 Building $271,590 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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