DuPage County property record for 421 E School St, Naperville, IL 60540 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1912 |
| Square Footage | 1,476 sqft Living Area |
| Lot Size | 3,920 sqft (0.09 acres) |
| Garage | 308 sqft |
| Last Sale | $585,000 (2026) |
| Tax Bill | $8,498.00 (2025) |
Source: DuPage County records · APN 08-18-137-008
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 Company Names on File |
|---|---|
| Mailing Address | 1135 N MAIN ST, NAPERVILLE, IL 60563-2635 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Revocable Living Trust |
| Date | Document |
|---|---|
| Apr 30, 2026 | Warranty Deed, Transfer · Conventional Mortgage NEW AMERICAN FUNDING |
| Oct 15, 2021 | Warranty Deed, Transfer · Conventional Mortgage FIRST CENTENNIAL MORTGAGE CORP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 30, 2026 · Amount on Record |
| Deed Sale | Apr 30, 2026 · Amount on Record |
| Prior Sale | Oct 15, 2021 · Amount on Record |
| Deed Doc Number | 202628617 |
| Prior Transfer Date | Sep 01, 2009 |
| Prior Transfer Doc | 0000139711 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Apr 30, 2026 |
| Property Address | 421 E SCHOOL ST, NAPERVILLE, IL 60540-4733 |
| Document Number | 0000028617 |
| Instrument Date | Mar 30, 2026 |
| Instrument | 202628617 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2026 |
| Title Company | LANDTRUST NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $88,627.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 1135 N MAIN ST, NAPERVILLE, IL 60563-2635 |
| Document Number | 0000028618, |
|---|---|
| Date | Apr 30, 2026 |
| Instrument | 202628618 |
| Name | NEW AMERICAN FUNDING |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.99% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Oct 15, 2021 |
| Property Address | 421 E SCHOOL ST, NAPERVILLE, IL 60540-4733 |
| Document Number | 0000152583 |
| Map Reference | MB 2 PG 25 |
| Instrument Date | Aug 31, 2021 |
| Instrument | R2021-152583 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $389.00 |
| Amount Accuracy | Rounded Values by County |
| Name | Verified Name |
|---|---|
| Address | 811 N CENTER ST, 811, NAPERVILLE, IL 60563-3142 |
| Name | Verified Name |
|---|---|
| Address | 421 E SCHOOL ST, NAPERVILLE, IL 60540-4733 |
| Document Number | 0000152584 |
|---|---|
| Date | Oct 15, 2021 |
| Instrument | R2021-152584 |
| Name | FIRST CENTENNIAL MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 01, 2051 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.75% |
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 | $8,498.00 (+3.89%) Homeowner's exemption | $155,946 (+8.53%) Land $79,043 Building $76,903 | $467,838 (+8.53%) Land $237,129 Building $230,709 |
| 2024 | $8,180.00 (+9.96%) | $143,690 (+16.91%) Land $72,831 Building $70,859 | $431,070 (+16.91%) Land $218,493 Building $212,577 |
| 2022 | $7,439.00 Homeowner's exemption | $122,910 Land $62,300 Building $60,610 | $368,730 Land $186,900 Building $181,830 |
Source: FEMA National Flood Hazard Layer, DuPage County (17043C), updated September 1, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| 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; lenders make the official flood determination.
| Primary APN | 08-18-137-008 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,476 sqft Living Area |
| Gross Area | 1,745 sqft Gross Area |
| 1st Floor | 603 sqft 1st Floor |
| 2nd Floor | 571 sqft 2nd Floor |
| Basement Area | 571 sqft Basement |
| Finished Basement | 302 sqft Finished |
| Unfinished Basement | 269 sqft Unfinished |
| Stories | 2 Stories |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1912 |
| Exterior Material | Brick Exterior |
| Lot Area | 3,920 sqft (0.09 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Area | 308 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | HVAC Heating |
| Water Source | Commercial Water Source |
| Street Address | 421 E SCHOOL ST |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4733 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SLEIGHTS COLLEGE ADD WLY 50 FT OF S 1/2 & WLY 50 FT |
| Legal Subdivision | SLEIGHTS COLLEGE ADD |
| Legal Block | 1 |
| Legal Lot Number | 5 |
| Jurisdiction | DU PAGE IL |
| Minor Civil Division | LISLE |
| Census Blockgroup | 3 |
| Census Block | 3010 |
| Census Tract | 846103 |
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