DuPage County property record for 603 S Prospect St, Wheaton, IL 60187
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,716 sqft · built 1958 |
| Lot Size | 0.22 acres (9,583 sqft) |
| Owner | Individual Name on File |
| Last Sale | $135,000 (Dec 1993) |
| Tax Bill | $5,975 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-15-327-001 |
| Primary APN | 05-15-327-001 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,716 sqft Living Area |
| Gross Area | 2,241 sqft |
| Basement Area | 572 sqft |
| Finished Basement | 572 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Split Level |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,583 sqft (0.22 acres) |
| Lot Dimensions | 15.7 ft deep x 6.5 ft wide |
| View / Lot | Corner |
| Garage Type | Attached |
| Garage Area | 525 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 603 S PROSPECT ST |
|---|---|
| City | WHEATON |
| State | IL |
| Zip | 60187-6801 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | MC INTOSH LORRAINE RD SUB |
| Legal Subdivision | MC INTOSH LORRAINE RD SUB |
| Legal Block | 21 |
| Legal Lot Number | 9 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | MILTON |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 842400 |
603 S Prospect St is owned and occupied by an individual who bought it in December 1993.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 603 S PROSPECT ST, WHEATON, IL 60187-6801 |
| 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 | Dec 22, 1993 · Amount on File |
| Deed Sale | Dec 22, 1993 · Amount on File |
| Deed Document Number | 1993299621 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 603 S Prospect St was $5,975 with a veteran's exemption.
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Milton Township |
| Municipality | Wheaton City |
| Unified School District | Community Unit School District 200 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,975.00 | $114,650 Land $29,623 Building $85,027 | $343,950 Land $88,869 Building $255,081 |
| 2022 | $5,606.00 Homeowner's exemption Senior Citizen's exemption | $91,950 Land $23,760 Building $68,190 | $275,850 Land $71,280 Building $204,570 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 603 S Prospect St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.
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 | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | May 2020 · rainfall accumulation |
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 603 S Prospect St 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 | WHEATON serves 53,970 people · EPA ID IL0431050 |
|---|---|
| Water Source | Purchased surface water from DU PAGE WATER COMMISSION |
| Last State Inspection | Jun 2024 |
| Lead | 2 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 620 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Verizon.
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