DuPage County property record for 665 E Porter Ave, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,092 sqft · built 1951 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $10,323 (2025) |
| Deeds & Mortgages | Oct 2019 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 08-18-415-012 |
| Primary APN | 08-18-415-012 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,092 sqft Living Area |
| Gross Area | 2,742 sqft |
| 1st Floor Area | 1,546 sqft |
| Basement Area | 1,196 sqft |
| Finished Basement | 546 sqft |
| Unfinished Basement | 650 sqft |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | HVAC |
|---|
| Street Address | 665 E PORTER AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-5434 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | MC INTOSH NAPERVILLE HIGHLANDS |
| Legal Subdivision | MC INTOSH NAPERVILLE HIGHLANDS |
| Legal Block | 3 |
| Legal Lot Number | 16 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 846209 |
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 | 665 E PORTER AVE, NAPERVILLE, IL 60540-5434 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 14, 2012 |
| Transfer Doc | 0000051857 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 665 E PORTER AVE, NAPERVILLE, IL 60540-5434 |
| Document Number | 0000097153 |
| Instrument Date | Oct 15, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 15, 2019 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 665 E PORTER AVE NAPERVILLE IL 605405434, NAPERVILLE, IL 60540-5434 |
| Document Number | 0000097153 |
|---|---|
| Date | Oct 23, 2019 |
| Instrument | 97153 |
| Name | UNITED HM LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | WESTCHESTER, IL 60154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 22, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.75% |
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 | $10,323.00 (+16.91%) | $192,882 (+30.81%) Land $113,910 Building $78,972 | $578,646 (+30.81%) Land $341,730 Building $236,916 |
| 2022 | $8,830.00 Homeowner's exemption Senior Citizen's exemption | $147,450 Land $87,080 Building $60,370 | $442,350 Land $261,240 Building $181,110 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 11 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 4 (2008–2020) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | May 2020 · rainfall accumulation |
| 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 | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 417 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
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