DuPage County property record for 323 Spring Ave, Naperville, IL 60540
| Property Type | General Industrial |
|---|---|
| Lot Size | 0.05 acres (2,178 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $478 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-13-217-013 |
| Primary APN | 07-13-217-013 |
|---|
| Lot Area | 2,178 sqft (0.05 acres) |
|---|
| Street Address | 323 SPRING AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4447 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | I |
| Legal Description | WOODLAWN ADD S 15 FT S 15 FT |
| Legal Subdivision | WOODLAWN ADD |
| Legal Block | 1 |
| Legal Lot Number | 9&12 |
| Legal Unit | 1 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | NAPERVILLE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 846504 |
Source: DuPage County records, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 320 N MILL ST, NAPERVILLE, IL 60540-4440 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 22, 1997 |
| Deed Sale | Jan 22, 1997 |
| Deed Document Number | 199710058 |
| Record Updated | Sep 20, 2026 |
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 | $478.00 (-51.02%) | $8,214 (-45.64%) Land $8,214 | $24,642 (-45.64%) Land $24,642 |
| 2022 | $976.00 | $15,110 Land $15,110 | $45,330 Land $45,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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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