DuPage County property record for 664 E Porter Ave, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 4,824 sqft · built 2005 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,350,000 (Jul 2022) |
| Tax Bill | $26,236 (2025) |
| Deeds & Mortgages | Jul 2022 Sale & Mortgage May 2017 Line of Credit |
| Flood Zone | Zone AE (high risk) |
| APN | 08-19-201-013 |
| Primary APN | 08-19-201-013 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 4,824 sqft Living Area |
| Gross Area | 5,841 sqft |
| 1st Floor Area | 2,034 sqft |
| 2nd Floor Area | 1,773 sqft |
| Basement Area | 2,034 sqft |
| Finished Basement | 1,017 sqft |
| Unfinished Basement | 1,017 sqft |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Traditional |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Area | 642 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 664 E PORTER AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-5435 |
| 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 | 6 |
| Legal Lot Number | 1 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 2 |
| Census Block | 2022 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 664 E PORTER AVE, NAPERVILLE, IL 60540-5435 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| Jul 28, 2022 | Warranty Deed, Transfer · Conventional Mortgage KEY BANK NA |
| May 18, 2017 | Deed of Trust, Mortgage · Line of Credit FIRST MIDWEST BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 28, 2022 · Amount on Record |
| Deed Sale | Jul 28, 2022 · Amount on Record |
| Prior Sale | May 27, 2014 · Amount on Record |
| Deed Document Number | 202271283 |
| Prior Transfer Date | Jul 30, 2004 |
| Prior Transfer Doc | 0000224760 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Jul 28, 2022 |
| Property Address | 664 E PORTER AVE, NAPERVILLE, IL 60540-5435 |
| Document Number | 0000071283 |
| Map Reference | DOC 205844 |
| Instrument Date | Jun 1, 2022 |
| Instrument | R2022-071283 |
| Transaction Type | Transfer |
| Record Updated | Aug 12, 2022 |
| Title Company | PROPER TITLE LLC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,350.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 664 E PORTER AVE, NAPERVILLE, IL 60540-5435 |
| Document Number | 0000071284 |
|---|---|
| Date | Jul 28, 2022 |
| Instrument | R2022-071284 |
| Name | KEY BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2052 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.37% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 664 E PORTER AVE, NAPERVILLE, IL 60540-5435 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000048731 |
|---|---|
| Date | May 18, 2017 |
| Instrument | R2017-048731 |
| Name | FIRST MIDWEST BANK |
|---|---|
| Type | Bank |
| Address | ITASCA, IL 60143 |
| Type | Line of Credit |
|---|---|
| Term | 360 Months |
| Due | May 6, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
| Change Frequency | Monthly |
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 | $26,236.00 (+7.03%) | $457,555 (+18.92%) Land $134,519 Building $323,036 | $1,372,665 (+18.92%) Land $403,557 Building $969,108 |
| 2022 | $24,513.00 Homeowner's exemption | $384,770 Land $113,120 Building $271,650 | $1,154,310 Land $339,360 Building $814,950 |
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.
Source: FEMA National Flood Hazard Layer, effective September 1, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| 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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