DuPage County property record for 863 Mount Vernon Ct, Naperville, IL 60563 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,762 sqft · built 1983 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $13,945 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-07-415-008 |
| Primary APN | 08-07-415-008 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,762 sqft Living Area |
| Gross Area | 4,266 sqft |
| 1st Floor Area | 1,504 sqft |
| 2nd Floor Area | 1,258 sqft |
| Basement Area | 1,504 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Lot Area | 14,810 sqft (0.34 acres) |
| Garage Area | 473 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 863 MT VERNON CT |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60563-3231 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | COLUMBIA ESTATES UNIT 1 ALL |
| Legal Subdivision | COLUMBIA ESTATES |
| Legal Lot Number | 7 |
| Legal Unit | 1 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 846105 |
Source: DuPage County records · APN 08-07-415-008
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 | 863 MT VERNON CT, NAPERVILLE, IL 60563-3231 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| 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 | Lisle Township |
| Municipality | Naperville City |
| Unified School District | Naperville Community Unit District 203 (PK - 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 | $13,945.00 (+14.44%) | $246,954 (+27.11%) Land $93,588 Building $153,366 | $740,862 (+27.11%) Land $280,764 Building $460,098 |
| 2022 | $12,185.00 Homeowner's exemption | $194,290 Land $73,630 Building $120,660 | $582,870 Land $220,890 Building $361,980 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170438461053, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Apr 1979, tidal / storm surge |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 448 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Verizon | Fixed Wireless | 1,000 / 75 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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