DuPage County property record for 306 Spring Ave, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,484 sqft · built 1915 |
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $535,500 (Feb 2017) |
| Tax Bill | $10,339 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage Sep 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-13-224-008 |
| Primary APN | 07-13-224-008 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,484 sqft Living Area |
| Gross Area | 3,396 sqft |
| 1st Floor Area | 1,020 sqft |
| 2nd Floor Area | 1,008 sqft |
| Basement Area | 912 sqft |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1915 |
| Construction Type | Frame |
| Lot Area | 6,098 sqft (0.14 acres) |
| Lot Dimensions | 12.1 ft deep x 5 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 306 SPRING AVE |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-4448 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | RICHMONDS RESUB /EX S 50 FT/ |
| Legal Subdivision | RICHMONDS RESUB |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Legal Unit | 3 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | NAPERVILLE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 846504 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 2, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WINTRUST MORTGAGE |
| Sep 17, 2021 | Intrafamily Transfer, Transfer |
| Feb 6, 2017 | Warranty Deed, Transfer · ARM WINTRUST MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 6, 2017 · Amount on Record |
| Deed Sale | Feb 6, 2017 · Amount on Record |
| Prior Sale | Aug 2, 2006 · Amount on Record |
| Deed Document Number | 201713403 |
| Last Transfer Date | Aug 24, 2021 |
| Transfer Doc | 0000138970 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000052604 |
|---|---|
| Date | Apr 2, 2021 |
| Instrument | R2021-052604 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | DES PLAINES, IL 60018 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 1, 2051 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.87% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Sep 17, 2021 |
| Property Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Document Number | 0000138970 |
| Map Reference | DOC 16175 |
| Instrument Date | Aug 24, 2021 |
| Instrument | R2021-138970 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Feb 6, 2017 |
| Property Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Document Number | 0000013403 |
| Map Reference | DOC16175 |
| Instrument Date | Jan 17, 2017 |
| Instrument | R2017-013403 |
| Transaction Type | Transfer |
| Record Updated | Dec 14, 2021 |
| Title Company | MULTIPLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,409.75 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 306 SPRING AVE, 306, NAPERVILLE, IL 60540-4448 |
| Name | Verified Name |
|---|---|
| Address | 306 SPRING AVE, NAPERVILLE, IL 60540-4448 |
| Document Number | 0000013404 |
|---|---|
| Date | Feb 6, 2017 |
| Instrument | R2017-013404 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.75% |
| Type Change Date | Feb 1, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 5.75% |
| Index | 1-Year LIBOR |
| Max Rate | 8.75% |
Source: DuPage County assessment roll, as of August 17, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,339.00 (+19.54%) | $185,335 (+32.51%) Land $108,565 Building $76,770 | $556,005 (+32.51%) Land $325,695 Building $230,310 |
| 2022 | $8,649.00 Homeowner's exemption | $139,860 Land $81,470 Building $58,390 | $419,580 Land $244,410 Building $175,170 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1979–1996) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Jul 1996 · Severe Storms And Flooding |
| 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 | Not rated no burnable land within ember reach |
|---|
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 316 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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