DuPage County property record for 420 Dillman Ct, Naperville, IL 60540 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 1,519 sqft · built 1991 |
| Lot Size | 0.05 acres (2,178 sqft) |
| Owner | Individual Name on File |
| Last Sale | $272,000 (Aug 2016) |
| Tax Bill | $7,188 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 08-18-220-031 |
| Primary APN | 08-18-220-031 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 2 Rooms |
| Stories | 2 Stories |
| Building Area | 1,519 sqft Living Area |
| Gross Area | 2,286 sqft |
| 1st Floor Area | 767 sqft |
| 2nd Floor Area | 752 sqft |
| Basement Area | 767 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Exterior Material | Wood Siding |
| Lot Area | 2,178 sqft (0.05 acres) |
| Garage Area | 372 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | HVAC |
|---|
| Street Address | 420 DILLMAN CT |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4841 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BARCLAY MANOR ALL |
| Legal Subdivision | BARCLAY MANOR |
| Legal Lot Number | 74 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 846103 |
Source: DuPage County records · APN 08-18-220-031
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 | Individual Name on File |
|---|---|
| Mailing Address | 420 DILLMAN CT, NAPERVILLE, IL 60540-4841 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 01, 2016 · Amount on Record |
| Deed Sale | Aug 01, 2016 · Amount on Record |
| Prior Sale | Feb 26, 1997 · Amount on Record |
| Deed Document Number | 201679454 |
| Prior Transfer Date | Oct 10, 2002 |
| Prior Transfer Doc | 0000312079 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,188.00 (+17.82%) | $131,177 (+30.81%) Land $28,849 Building $102,328 | $393,531 (+30.81%) Land $86,547 Building $306,984 |
| 2022 | $6,101.00 Homeowner's exemption | $100,280 Land $22,050 Building $78,230 | $300,840 Land $66,150 Building $234,690 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170438461034, 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 | Moderate |
| 500-Year Floodplain | Yes |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 3 in force |
| 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 389 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 | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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