DuPage County property record for 1820 Denison Rd, Naperville, IL 60565
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,846 sqft · built 1989 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | Individual Name on File |
| Last Sale | $314,000 (Feb 2002) |
| Tax Bill | $10,614 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-33-205-019 |
| Primary APN | 08-33-205-019 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,846 sqft Living Area |
| Gross Area | 4,018 sqft |
| 1st Floor Area | 1,458 sqft |
| 2nd Floor Area | 1,388 sqft |
| Basement Area | 1,172 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Wood Siding |
| Lot Area | 11,761 sqft (0.27 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Electric |
|---|
| Street Address | 1820 DENISON RD |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60565-6761 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | UNIVERSITY HEIGHTS UNIT 10 ALL LOT 1319 |
| Legal Subdivision | UNIVERSITY HEIGHTS |
| Legal Lot Number | 1319 |
| Legal Unit | 10 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 2 |
| Census Block | 2026 |
| Census Tract | 846304 |
1820 Denison Rd is owned and occupied by an individual who bought it in February 2002.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1820 DENISON RD, NAPERVILLE, IL 60565-6761 |
| 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 |
|---|---|
| Last Sale | Feb 15, 2002 · Amount on File |
| Deed Sale | Feb 15, 2002 · Amount on File |
| Deed Document Number | 200248364 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 1820 Denison Rd was $10,614 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 | $10,614.00 | $189,885 Land $64,309 Building $125,576 | $569,655 Land $192,927 Building $376,728 |
| 2022 | $9,269.00 Homeowner's exemption | $149,230 Land $50,540 Building $98,690 | $447,690 Land $151,620 Building $296,070 |
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.
FEMA maps place 1820 Denison Rd in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1979.
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 |
| Nearby Flood Claims | 6 (1979–1996) |
| Most Recent Claim | Jul 1996 · Severe Storms And Flooding |
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 1820 Denison Rd is low, with 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 96% of the US · lower than 74% of Illinois |
|---|---|
| Wildfire Likelihood | 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 91 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 |
May also be available: T-Mobile, Verizon.
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