DuPage County property record for 21 Regent Dr, Oak Brook, IL 60523
| Property Type | Single Family Home |
|---|---|
| Details | 2,318 sqft · built 1969 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,100,000 (Jun 2026) |
| Tax Bill | $8,990 (2025) |
| Deeds & Mortgages | Jun 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-27-403-023 |
| Primary APN | 06-27-403-023 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 2,318 sqft Living Area |
| Gross Area | 2,826 sqft |
| 1st Floor Area | 2,318 sqft |
| Basement Area | 508 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Brick |
| Lot Area | 14,810 sqft (0.34 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 21 REGENT DR |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-1743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | BROOK FOREST UNIT 2 |
| Legal Subdivision | BROOK FOREST |
| Legal Lot Number | 121 |
| Legal Unit | 2 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | YORK |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 844502 |
21 Regent Dr is owner-occupied and held in a trust since June 2026.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 REGENT DR, OAK BROOK, IL 60523-1743 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 4, 2026 · Amount on File |
| Deed Sale | Jun 4, 2026 · Amount on File |
| Prior Sale | Oct 4, 2024 · Amount on File |
| Deed Document Number | 202637091 |
| Prior Transfer Date | Jan 18, 1996 |
| Prior Transfer Doc | 0000022881 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Jun 4, 2026 |
| Property Address | 21 REGENT DR, OAK BROOK, IL 60523-1743 |
| Document Number | 0000037091 |
| Instrument Date | May 29, 2026 |
| Instrument | 202637091 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Amount | Amount on Record |
|---|---|
| Tax | $166,650.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 21 REGENT DR, OAK BROOK, IL 60523-1743 |
The 2025 property tax bill for 21 Regent Dr was $8,990, up 42.1% from the year before.
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 |
| Elementary School District | Butler School District 53 (KG - 08) |
| Secondary School District | Hinsdale Township High School District 86 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,990.00 (+42.13%) | $258,183 (+7.86%) Land $100,171 Building $158,012 | $774,549 (+7.86%) Land $300,513 Building $474,036 |
| 2024 | $6,325.00 | $239,368 Land $92,871 Building $146,497 | $718,104 Land $278,613 Building $439,491 |
| 2022 | $7,553.00 Homeowner's exemption Senior Citizen's exemption | $212,780 Land $82,560 Building $130,220 | $638,340 Land $247,680 Building $390,660 |
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.
FEMA maps place 21 Regent Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 5 (1979–1987) |
| Most Recent Claim | Aug 1987 · Severe Storms & Flooding |
| 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.
The area around 21 Regent Dr has no burnable land within ember reach, so its wildfire risk is not rated.
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: 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 261 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 | 100 / 20 |
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