DuPage County property record for 309 Spring Ave, Naperville, IL 60540 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 4.5 Baths |
| Year Built | Built 2005 |
| Square Footage | 5,478 sqft Living Area |
| Lot Size | 19,602 sqft (0.45 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $948,500 (2018) |
| Tax Bill | $27,648.00 (2025) |
Source: DuPage County records · APN 07-13-217-104
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 | 309 SPRING AVE, NAPERVILLE, IL 60540-4447 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Dec 22, 2023 | Deed of Trust, Mortgage · Small Business Association Mortgage CENTRUST BANK NA |
| Oct 05, 2023 | Deed of Trust, Mortgage · Line of Credit ASSOCIATED BANK NA |
| Aug 18, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ASSOCIATED BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 03, 2018 · Amount on Record |
| Deed Sale | May 03, 2018 · Amount on Record |
| Prior Sale | Apr 25, 2007 · Amount on Record |
| Deed Doc Number | 201838643 |
| Last Transfer Date | Jun 18, 2018 |
| Transfer Doc | 0000069188 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 309 SPRING AVE, NAPERVILLE, IL 60540-4447 |
| Transaction Type | Mortgage |
| Record Updated | Jan 08, 2024 |
| Name | Verified Name |
|---|---|
| Address | 309 SPRING AVE, NAPERVILLE, IL 60540-4447 |
| Document Number | 0000081141 |
|---|---|
| Date | Dec 22, 2023 |
| Instrument | R2023-081141 |
| Name | CENTRUST BANK NA |
|---|---|
| Type | Bank |
| Address | NORTHBROOK, IL 60062 |
| Type | Small Business Association Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 309 SPRING AVE, NAPERVILLE, IL 60540-4447 |
| Transaction Type | Mortgage |
| Record Updated | Oct 23, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0000064385 |
|---|---|
| Date | Oct 05, 2023 |
| Instrument | R2023-064385 |
| Name | ASSOCIATED BANK NA |
|---|---|
| Type | Bank |
| Address | GREEN BAY, WI 54301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Sep 28, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 309 SPRING AVE, NAPERVILLE, IL 60540-4447 |
| Transaction Type | Mortgage |
| Record Updated | Aug 05, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000124385 |
|---|---|
| Date | Aug 18, 2021 |
| Instrument | R2021-124385 |
| Name | ASSOCIATED BANK NA |
|---|---|
| Type | Bank |
| Address | GREEN BAY, WI 54301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3% |
| Type Change Date | Aug 01, 2031 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 8% |
| Index | 1-Year CMT |
| Max Rate | 8% |
Source: DuPage County records · Assessment roll updated August 17, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Naperville 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 | $27,648.00 (+26.34%) | $484,094 (+40.45%) Land $155,213 Building $328,881 | $1,452,282 (+40.45%) Land $465,639 Building $986,643 |
| 2022 | $21,883.00 Homeowner's exemption | $344,680 Land $122,140 Building $222,540 | $1,034,040 Land $366,420 Building $667,620 |
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 | 07-13-217-104 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 11 Rooms |
| Building Area | 5,478 sqft Living Area |
| Gross Area | 6,507 sqft Gross Area |
| 1st Floor | 2,058 sqft 1st Floor |
| 2nd Floor | 1,982 sqft 2nd Floor |
| Basement Area | 2,058 sqft Basement |
| Finished Basement | 1,029 sqft Finished |
| Unfinished Basement | 1,029 sqft Unfinished |
| Stories | 2 Stories |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Exterior Material | Brick Exterior |
| Construction Type | Brick Construction |
| Lot Area | 19,602 sqft (0.45 acres) |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 309 SPRING AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4447 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | KRAFTHEFERS RESUB ALL |
| Legal Subdivision | KRAFTHEFERS RESUB |
| Legal Lot Number | 1 |
| Jurisdiction | DU PAGE IL |
| Minor Civil Division | NAPERVILLE |
| Census Blockgroup | 1 |
| Census Block | 1006 |
| Census Tract | 846504 |
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