DuPage County property record for 306 Trinity Ln, Oak Brook, IL 60523 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,932 sqft · built 1985 |
| Lot Size | 0.51 acres (22,216 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,165,000 (Jul 2019) |
| Tax Bill | $17,413 (2025) |
| Deeds & Mortgages | May 2020 Mortgage Jul 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-34-104-021 |
| Primary APN | 06-34-104-021 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,932 sqft Living Area |
| Gross Area | 5,724 sqft |
| 1st Floor Area | 1,974 sqft |
| 2nd Floor Area | 1,958 sqft |
| Basement Area | 1,792 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Combination |
| Construction Type | Brick |
| Lot Area | 22,216 sqft (0.51 acres) |
| Garage Type | Attached |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 306 TRINITY LN |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-2557 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRINITY LAKES UNIT NO 4 ALL |
| Legal Subdivision | TRINITY LAKES UNIT NO 4 |
| Legal Lot Number | 188 |
| Legal Unit | 4 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | YORK |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 844502 |
Source: DuPage County records · APN 06-34-104-021
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 | 306 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| May 28, 2020 | Deed of Trust, Mortgage · Conventional Mortgage REGIONS BANK |
| Jul 29, 2019 | Warranty Deed, Transfer · Conventional Mortgage REGIONS BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 29, 2019 · Amount on Record |
| Deed Sale | Jul 29, 2019 · Amount on Record |
| Prior Sale | Jun 13, 2005 · Amount on Record |
| Deed Document Number | 201962881 |
| Prior Transfer Date | Jul 24, 2003 |
| Prior Transfer Doc | 0000353006 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 306 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Title Company | NAT |
| Name | Verified Name |
|---|
| Document Number | 0000053519 |
|---|---|
| Date | May 28, 2020 |
| Instrument | R2020-053519 |
| Name | REGIONS BANK |
|---|---|
| Type | Bank |
| Address | BIRMINGHAM, AL 35244 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 163 Months |
| Due | Dec 13, 2033 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Jul 29, 2019 |
| Property Address | 306 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Document Number | 0000062881 |
| Map Reference | DOC R80-13385 |
| Instrument Date | Jul 25, 2019 |
| Instrument | R2019-062881 |
| Transaction Type | Transfer |
| Record Updated | Dec 14, 2021 |
| Title Company | NORTH AMERICAN TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,165.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 306 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Document Number | 0000062882 |
|---|---|
| Date | Jul 29, 2019 |
| Instrument | R2019-062882 |
| Name | REGIONS BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 313 Months |
| Due | Aug 29, 2045 |
| Rate Type | Fixed Rate |
|---|
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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $17,413.00 (+16.31%) | $492,558 (+21.34%) Land $219,983 Building $272,575 | $1,477,674 (+21.34%) Land $659,949 Building $817,725 |
| 2022 | $14,971.00 Homeowner's exemption | $405,930 Land $181,290 Building $224,640 | $1,217,790 Land $543,870 Building $673,920 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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