DuPage County property record for 9S425 Allison Ct, Willowbrook, IL 60527
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,759 sqft · built 1979 |
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $8,335 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-35-305-031 |
| Primary APN | 09-35-305-031 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,759 sqft Living Area |
| Gross Area | 3,893 sqft |
| Basement Area | 1,134 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Brick |
| Construction Type | Frame |
| Lot Area | 19,602 sqft (0.45 acres) |
| Garage Area | 552 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 9S425 ALLISON CT |
|---|---|
| City | HINSDALE |
| State | IL |
| Zip | 60521 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | BEECHEN & DILLS CLARENDON HEIGHTS SOUTH ALL |
| Legal Subdivision | BEECHEN & DILLS CLARENDON HEIGHTS |
| Legal Lot Number | 18 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | DOWNERS GROVE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 845805 |
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 Record | Individual Name on Record |
|---|---|
| Mailing Address | 9S425 ALLISON CT, WILLOWBROOK, IL 60527-7004 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 14, 2001 |
| Transfer Doc | 0000280594 |
| Record Updated | Sep 20, 2026 |
Source: DuPage County assessment roll, as of August 17, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,335.00 (+9.05%) | $162,457 (+21.01%) Land $41,867 Building $120,590 | $487,371 (+21.01%) Land $125,601 Building $361,770 |
| 2022 | $7,643.00 Homeowner's exemption Senior Citizen's exemption | $134,250 Land $34,600 Building $99,650 | $402,750 Land $103,800 Building $298,950 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 1, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 5 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 186 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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