DuPage County property record for 437 Douglas Ave, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,940 sqft · built 1963 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $12,327 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-13-222-006 |
| Primary APN | 07-13-222-006 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Stories | 3 Stories |
| Building Area | 2,940 sqft Living Area |
| 1st Floor Area | 1,890 sqft |
| Basement Area | 1,050 sqft |
| Finished Basement | 1,050 sqft |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Tri-Level |
| Construction Type | Frame |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 17.3 ft deep x 5 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 437 DOUGLAS AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4487 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | RICHMOND RESUB |
| Legal Subdivision | RICHMOND RESUB |
| Legal Block | 4 |
| Legal Lot Number | 14 |
| Legal Unit | 4 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | NAPERVILLE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 846504 |
437 Douglas Ave is owned by an individual who acquired it in February 2014.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 332 BERRY DR, NAPERVILLE, IL 60540-5102 |
| 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 Transfer Date | Feb 3, 2014 |
| Transfer Doc | 0000016347 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 437 Douglas Ave was $12,327.
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Naperville Township |
| Municipality | Naperville City |
| Unified School District | Naperville Community Unit District 203 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $12,327.00 | $211,418 Land $125,323 Building $86,095 | $634,254 Land $375,969 Building $258,285 |
| 2022 | $10,298.00 | $159,390 Land $94,030 Building $65,360 | $478,170 Land $282,090 Building $196,080 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 437 Douglas Ave in Zone X, an area of minimal flood risk, though there have been 8 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 |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1979–1996) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Jul 1996 · Severe Storms And Flooding |
| 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.
The area around 437 Douglas Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 316 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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