DuPage County property record for 342 Trinity Ln, Oak Brook, IL 60523
| Property Type | Single Family Home |
|---|---|
| Details | 4,476 sqft · built 1990 |
| Lot Size | 0.73 acres (31,799 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $840,000 (Aug 1999) |
| Tax Bill | $22,797 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-34-104-028 |
| Primary APN | 06-34-104-028 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 4,476 sqft Living Area |
| Gross Area | 6,773 sqft |
| 1st Floor Area | 3,172 sqft |
| 2nd Floor Area | 1,304 sqft |
| Basement Area | 2,297 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 31,799 sqft (0.73 acres) |
| Garage Type | Attached |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 342 TRINITY LN |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-2561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | TRINITY LAKES UNIT NO 2 ALL |
| Legal Subdivision | TRINITY LAKES UNIT NO 2 |
| Legal Lot Number | 72 |
| Legal Unit | 2 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | YORK |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 844502 |
Source: DuPage County records · APN 06-34-104-028
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 | 342 TRINITY LN, OAK BROOK, IL 60523-2561 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 17, 1999 · Amount on Record |
| Deed Sale | Aug 17, 1999 · Amount on Record |
| Deed Document Number | 1999180400 |
| 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 | 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $22,797.00 (+16%) | $650,372 (+21.34%) Land $311,370 Building $339,002 | $1,951,116 (+21.34%) Land $934,110 Building $1,017,006 |
| 2022 | $19,653.00 Homeowner's exemption Senior Citizen's exemption | $536,000 Land $256,610 Building $279,390 | $1,608,000 Land $769,830 Building $838,170 |
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 7 (15% 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 DSL | 100 / 20 |
Based on FCC filings for 172 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | OAK BROOK serves 9,400 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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