DuPage County property record for 279 Walnut Ln, Oak Brook, IL 60523
| Property Type | Single Family Home |
|---|---|
| Details | 5,966 sqft · built 2007 |
| Lot Size | 0.47 acres (20,473 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $370,000 (Aug 2002) |
| Tax Bill | $23,970 (2025) |
| Deeds & Mortgages | Mar 2019 Mortgage Apr 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-23-206-015 |
| Primary APN | 06-23-206-015 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 5,966 sqft Living Area |
| Gross Area | 8,891 sqft |
| 1st Floor Area | 2,925 sqft |
| 2nd Floor Area | 3,041 sqft |
| Basement Area | 2,925 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Combination |
| Construction Type | Brick |
| Lot Area | 20,473 sqft (0.47 acres) |
| Lot Dimensions | 20.5 ft deep x 10 ft wide |
| Garage Type | Attached |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 279 WALNUT LN |
|---|---|
| City | OAK BROOK |
| State | IL |
| Zip | 60523-1450 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | TIMBER TRAIL ESTATES UNIT 2 ALL |
| Legal Subdivision | TIMBER TRAIL ESTATES |
| Legal Lot Number | 132 |
| Legal Unit | 2 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | YORK |
| Census Block Group | 1 |
| Census Block | 1015 |
| 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 | 279 WALNUT LN, OAK BROOK, IL 60523-1450 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 26, 2019 | Deed of Trust, Mortgage · ARM WINTRUST MORTGAGE |
| Apr 12, 2022 | Intrafamily Transfer, Transfer · Conventional Mortgage WINTRUST MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 20, 2002 · Amount on Record |
| Deed Sale | Aug 20, 2002 · Amount on Record |
| Deed Document Number | 2002215381 |
| Last Transfer Date | Nov 15, 2021 |
| Transfer Doc | 0000037056 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 279 WALNUT LN, OAK BROOK, IL 60523-1450 |
| Transaction Type | Mortgage |
| Record Updated | Aug 5, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000021713 |
|---|---|
| Date | Mar 26, 2019 |
| Instrument | R2019-021713 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | DES PLAINES, IL 60018 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Apr 1, 2026 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 9.75% |
| Index | 1-Year LIBOR |
| Max Rate | 9.75% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Apr 12, 2022 |
| Property Address | 279 WALNUT LN, OAK BROOK, IL 60523-1450 |
| Document Number | 0000037056 |
| Map Reference | DOC 533982 |
| Instrument Date | Nov 15, 2021 |
| Instrument | R2022-037056 |
| Transaction Type | Transfer |
| Record Updated | Aug 5, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 279 WALNUT LN, OAK BROOK, IL 60523-1450 |
| Document Number | 0000037057 |
|---|---|
| Date | Apr 12, 2022 |
| Instrument | R2022-037057 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3% |
| Type Change Date | Apr 1, 2029 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.25% |
| Max Rate At Change | 8% |
| Index | Other |
| Max Rate | 8% |
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 | $23,970.00 (+26.32%) | $546,283 (+21.34%) Land $114,622 Building $431,661 | $1,638,849 (+21.34%) Land $343,866 Building $1,294,983 |
| 2022 | $18,975.00 Homeowner's exemption | $450,210 Land $94,460 Building $355,750 | $1,350,630 Land $283,380 Building $1,067,250 |
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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