DuPage County property record for 320 Trinity Ln, Oak Brook, IL 60523
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 4,906 sqft · built 1985 |
| Lot Size | 0.58 acres (25,265 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,142,000 (Jun 2010) |
| Tax Bill | $18,408 (2025) |
| Deeds & Mortgages | Aug 2017 Mortgage Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-34-104-014 |
| Primary APN | 06-34-104-014 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,906 sqft Living Area |
| Gross Area | 7,662 sqft |
| 1st Floor Area | 2,679 sqft |
| 2nd Floor Area | 2,227 sqft |
| Basement Area | 2,756 sqft |
| Fireplaces | 4 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Combination |
| Construction Type | Brick |
| Lot Area | 25,265 sqft (0.58 acres) |
| Garage Type | Attached |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 320 TRINITY LN |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-2557 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | TRINITY LAKES UNIT NO 4 ALL |
| Legal Subdivision | TRINITY LAKES UNIT NO 4 |
| Legal Lot Number | 195 |
| 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, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 320 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| Aug 15, 2017 | Deed of Trust, Mortgage · ARM DRAPER & KRAMER MORTGAGE CORP |
| Apr 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage DRAPER & KRAMER MORTGAGE CORP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 10, 2010 · Amount on Record |
| Deed Sale | Jun 10, 2010 · Amount on Record |
| Deed Document Number | 201074292 |
| Prior Transfer Date | Nov 19, 2007 |
| Prior Transfer Doc | 0000211877 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 320 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Title Company | ACQUEST TITLE SERVICES LLC |
| Name | Verified Name |
|---|
| Document Number | 0000083788 |
|---|---|
| Date | Aug 15, 2017 |
| Instrument | R2017-083788 |
| Name | DRAPER & KRAMER MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | DOWNERS GROVE, IL 60515 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.12% |
| Type Change Date | Sep 1, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.12% |
| Index | 1-Year LIBOR |
| Max Rate | 8.12% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 320 TRINITY LN, OAK BROOK, IL 60523-2557 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Title Company | ACQUEST TITLE SERVICES LLC |
| Name | Verified Name |
|---|
| Document Number | 0000067673 |
|---|---|
| Date | Apr 30, 2021 |
| Instrument | R2021-067673 |
| Name | DRAPER & KRAMER MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | DOWNERS GROVE, IL 60515 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 358 Months |
| Due | Feb 1, 2051 |
| Rate Type | Fixed Rate |
|---|
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 | $18,408.00 (+16.31%) | $520,237 (+21.34%) Land $252,864 Building $267,373 | $1,560,711 (+21.34%) Land $758,592 Building $802,119 |
| 2022 | $15,826.00 Homeowner's exemption | $428,750 Land $208,390 Building $220,360 | $1,286,250 Land $625,170 Building $661,080 |
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.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
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 | 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 172 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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