DuPage County property record for 11 Sioux Ct, Naperville, IL 60563
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,189 sqft · built 1977 |
| Lot Size | 0.29 acres (12,632 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $9,588 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-07-109-026 |
| Primary APN | 08-07-109-026 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,189 sqft Living Area |
| Gross Area | 2,547 sqft |
| 1st Floor Area | 1,137 sqft |
| 2nd Floor Area | 768 sqft |
| Basement Area | 642 sqft |
| Finished Basement | 284 sqft |
| Unfinished Basement | 358 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Exterior Material | Wood Siding |
| Lot Area | 12,632 sqft (0.29 acres) |
| Garage Area | 444 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | HVAC |
|---|
| Street Address | 11 SIOUX CT |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60563-1236 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | INDIAN HILL UNIT 4 |
| Legal Subdivision | INDIAN HILL |
| Legal Lot Number | 135 |
| Legal Unit | 4 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 1 |
| Census Block | 1042 |
| Census Tract | 846106 |
11 Sioux Ct is owned and occupied by an individual.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 11 SIOUX CT, NAPERVILLE, IL 60563-1236 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 11 Sioux Ct was $9,588 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 | $9,588.00 | $172,298 Land $79,674 Building $92,624 | $516,894 Land $239,022 Building $277,872 |
| 2022 | $8,591.00 Homeowner's exemption | $138,750 Land $64,160 Building $74,590 | $416,250 Land $192,480 Building $223,770 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 11 Sioux Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 1, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 11 Sioux Ct 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 433 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 | 1,000 / 75 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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