DuPage County property record for 9S435 Allison Ct, Willowbrook, IL 60527
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,473 sqft · built 1979 |
| Lot Size | 0.3 acres (13,068 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $310,000 (Feb 2001) |
| Tax Bill | $9,047 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-35-305-032 |
| Primary APN | 09-35-305-032 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,473 sqft Living Area |
| Gross Area | 2,914 sqft |
| Basement Area | 441 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Brick |
| Construction Type | Frame |
| Lot Area | 13,068 sqft (0.3 acres) |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 9S435 ALLISON CT |
|---|---|
| City | WILLOWBROOK |
| State | IL |
| Zip | 60527-7004 |
| 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 | 19 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | DOWNERS GROVE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 845805 |
Source: DuPage County records · APN 09-35-305-032
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 9S435 ALLISON CT, WILLOWBROOK, IL 60527-7004 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 21, 2001 · Amount on Record |
| Deed Sale | Feb 21, 2001 · Amount on Record |
| Prior Sale | Aug 10, 1994 · Amount on Record |
| Deed Document Number | 200128579 |
| Last Transfer Date | Oct 07, 2009 |
| Transfer Doc | 0000158907 |
| Record Updated | 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 | $9,047.00 (+10.86%) | $167,480 (+21.71%) Land $54,074 Building $113,406 | $502,440 (+21.71%) Land $162,222 Building $340,218 |
| 2022 | $8,161.00 Homeowner's exemption | $137,610 Land $44,690 Building $92,920 | $412,830 Land $134,070 Building $278,760 |
Source: FEMA National Flood Hazard Layer as of September 1, 2025 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
Based on FCC filings for 186 locations within half a mile of this property.
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