DuPage County property record for 264 Walnut Ln, Oak Brook, IL 60523
| Property Type | Single Family Home |
|---|---|
| Details | 2,056 sqft · built 1956 |
| Lot Size | 0.4 acres (17,424 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $8,496 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-23-204-011 |
| Primary APN | 06-23-204-011 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 2,056 sqft Living Area |
| Gross Area | 3,929 sqft |
| 1st Floor Area | 2,056 sqft |
| Basement Area | 1,873 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Brick |
| Lot Area | 17,424 sqft (0.4 acres) |
| Lot Dimensions | 17.6 ft deep x 9.9 ft wide |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 264 WALNUT LN |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-1435 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | LAKE DORAN ESTATES |
| Legal Subdivision | LAKE DORAN ESTATES |
| Legal Lot Number | 8 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | YORK |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 844601 |
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 | 264 WALNUT LN, OAK BROOK, IL 60523-1435 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | York Township |
| Municipality | Oak Brook Village |
| Secondary School District | DuPage High School District 88 (09 - 12) |
| Elementary School District | Salt Creek School District 48 (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,496.00 (+26.02%) | $198,801 (+21.34%) Land $97,557 Building $101,244 | $596,403 (+21.34%) Land $292,671 Building $303,732 |
| 2022 | $6,742.00 Homeowner's exemption | $163,840 Land $80,400 Building $83,440 | $491,520 Land $241,200 Building $250,320 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 21 individual policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 47 units insured incl. 26 condo units |
| Nearby Flood Claims | 61 (1978–2020) |
| Claims Outside the SFHA | 4 of 61 |
| Most Recent Claim | May 2020 · rainfall accumulation |
| Claims by Event |
|
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 | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | OAK BROOK serves 9,400 people · EPA ID IL0430700 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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.
Source: FCC Broadband Data Collection, based on 218 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 DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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