DuPage County property record for 1020 E Porter Ave, Naperville, IL 60540 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5.5 ba · 5,714 sqft · built 1995 |
| Lot Size | 0.53 acres (23,087 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,550,000 (Jun 2023) |
| Tax Bill | $30,367 (2025) |
| Deeds & Mortgages | Jun 2023 Sale & Mortgage Jun 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-19-205-005 |
| Primary APN | 08-19-205-005 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 5,714 sqft Living Area |
| Gross Area | 6,270 sqft |
| 1st Floor Area | 2,778 sqft |
| 2nd Floor Area | 1,547 sqft |
| Basement Area | 1,945 sqft |
| Finished Basement | 1,389 sqft |
| Unfinished Basement | 556 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 23,087 sqft (0.53 acres) |
| Garage Area | 854 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 1020 E PORTER AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-5530 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SHIFFLER BROS OAK HILLS |
| Legal Subdivision | SHIFFLER BROS OAK HILLS |
| Legal Lot Number | 67 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 846209 |
Source: DuPage County records · APN 08-19-205-005
Assessment roll updated August 17, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 7170 STOESSER CT, SAN JOSE, CA 95120-4279 |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| Jun 08, 2023 | Warranty Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Jun 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Aug 18, 2022 | Warranty Deed, Transfer · Conventional Mortgage FIRST CENTENNIAL MORTGAGE CORP |
| Nov 13, 2018 | Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 08, 2023 · Amount on Record |
| Deed Sale | Jun 08, 2023 · Amount on Record |
| Prior Sale | Aug 18, 2022 · Amount on Record |
| Deed Document Number | 202335641 |
| Prior Transfer Date | Sep 28, 1998 |
| Prior Transfer Doc | 0000125324 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Jun 08, 2023 |
| Property Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000035641 |
| Map Reference | DOC 505208 |
| Instrument Date | May 22, 2023 |
| Instrument | R2023-035641 |
| Transaction Type | Transfer |
| Record Updated | Jun 26, 2023 |
| Title Company | CITYWIDE TITLE CORPORATION |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,550.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000035642 |
|---|---|
| Date | Jun 08, 2023 |
| Instrument | R2023-035642 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2053 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.3% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Transaction Type | Mortgage |
| Record Updated | Aug 05, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000061930 |
|---|---|
| Date | Jun 16, 2020 |
| Instrument | R2020-061930 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.25% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Aug 18, 2022 |
| Property Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000077886 |
| Map Reference | DOC 499253 |
| Instrument Date | Jul 18, 2022 |
| Instrument | R2022-077886 |
| Transaction Type | Transfer |
| Record Updated | Sep 02, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,435.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1020 E PORTER AVE, 1020, NAPERVILLE, IL 60540-5530 |
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000077887 |
|---|---|
| Date | Aug 18, 2022 |
| Instrument | R2022-077887 |
| Name | FIRST CENTENNIAL MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2052 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.75% |
| Document Type | Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Nov 13, 2018 |
| Property Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000105843 |
| Map Reference | DOC505208 |
| Instrument Date | Oct 25, 2018 |
| Instrument | R2018-105843 |
| Transaction Type | Transfer |
| Record Updated | Aug 05, 2022 |
| Title Company | BAIRD & WARNER TITLE SERVICE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1020 E PORTER AVE, NAPERVILLE, IL 60540-5530 |
| Document Number | 0000105844 |
|---|---|
| Date | Nov 13, 2018 |
| Instrument | R2018-105844 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 01, 2048 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.62% |
Source: DuPage County records · Assessment roll updated August 17, 2026 · Last verified August 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) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $30,367.00 (+13.52%) | $528,346 (+26%) Land $201,742 Building $326,604 | $1,585,038 (+26%) Land $605,226 Building $979,812 |
| 2022 | $26,750.00 Homeowner's exemption | $419,330 (+43.27%) Land $169,650 Building $249,680 | $1,257,990 (+43.27%) Land $508,950 Building $749,040 |
| 2021 | $292,690 Land $163,230 Building $129,460 | $878,070 Land $489,690 Building $388,380 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170438462092, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 11 individual NFIP policies nearby |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 11 in force 11 of 11 on primary residences |
| Nearby Flood Claims | 4 (2008–2020) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | May 2020, rainfall accumulation |
| Flood Events |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
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