DuPage County property record for 503 White Oak Dr, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 4 ba · 4,266 sqft · built 2017 |
| Lot Size | 0.37 acres (16,117 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $425,000 (Jul 2013) |
| Tax Bill | $29,170 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-19-203-017 |
| Primary APN | 08-19-203-017 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 4,266 sqft Living Area |
| Gross Area | 6,226 sqft |
| 1st Floor Area | 1,960 sqft |
| 2nd Floor Area | 2,306 sqft |
| Basement Area | 1,960 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2017 |
|---|---|
| Effective Year Built | Effective 2017 |
| Exterior Material | Brick |
| Lot Area | 16,117 sqft (0.37 acres) |
| Garage Area | 880 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | HVAC |
|---|
| Street Address | 503 WHITE OAK DR |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-5540 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | SHIFFLER BROS OAK HILLS |
| Legal Subdivision | SHIFFLER BROS OAK HILLS |
| Legal Lot Number | 20 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 846209 |
503 White Oak Dr is owned and occupied by two individuals who bought it in July 2013.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 503 WHITE OAK DR, NAPERVILLE, IL 60540-5540 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Jul 3, 2013 · Amount on File |
| Deed Sale | Jul 3, 2013 · Amount on File |
| Prior Sale | Apr 8, 2013 · Amount on File |
| Deed Document Number | 201396492 |
| Prior Transfer Date | Jan 23, 1998 |
| Prior Transfer Doc | 0000036222 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 503 WHITE OAK DR, NAPERVILLE, IL 60540-5540 |
| Transaction Type | Mortgage |
| Record Updated | Aug 5, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000011063 |
|---|---|
| Date | Jan 21, 2021 |
| Instrument | R2021-011063 |
| Name | NATIONAL BANK OF KANSAS CITY |
|---|---|
| Type | Bank |
| Address | KANSAS CITY, MO 64114 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Feb 1, 2036 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.25% |
The 2025 property tax bill for 503 White Oak Dr was $29,170 with a homeowner's exemption.
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Lisle Township |
| Municipality | Naperville City |
| Unified School District | Naperville Community Unit District 203 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $29,170.00 | $507,832 Land $179,338 Building $328,494 | $1,523,496 Land $538,014 Building $985,482 |
| 2022 | $27,249.00 Homeowner's exemption | $427,050 Land $150,810 Building $276,240 | $1,281,150 Land $452,430 Building $828,720 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 503 White Oak Dr in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 2008.
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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 4 (2008–2020) |
| Claims Outside the SFHA | 3 of 4 |
| 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.
Wildfire risk around 503 White Oak Dr is low, with less than a 0.01% annual chance of wildfire.
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 | NAPERVILLE serves 156,406 people · EPA ID IL0434670 |
|---|---|
| Water Source | Purchased surface water from DU PAGE WATER COMMISSION |
| Last State Inspection | Sep 2025 |
| Lead | 6 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 15 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 421 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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