DuPage County property record for 845 Rossmere Ct, Naperville, IL 60540
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 3,216 sqft · built 1977 |
| Lot Size | 0.26 acres (11,326 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $505,000 (Oct 2019) |
| Tax Bill | $13,125 (2025) |
| Deeds & Mortgages | Apr 2020 Mortgage Nov 2019 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-20-407-018 |
| Primary APN | 08-20-407-018 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,216 sqft Living Area |
| Gross Area | 4,386 sqft |
| 1st Floor Area | 1,478 sqft |
| 2nd Floor Area | 1,430 sqft |
| Basement Area | 1,478 sqft |
| Finished Basement | 308 sqft |
| Unfinished Basement | 1,170 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 11,326 sqft (0.26 acres) |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 845 ROSSMERE CT |
|---|---|
| City | NAPERVILLE |
| State | IL |
| Zip | 60540-8214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | HUNTINGTON ESTATES ADD ALL |
| Legal Subdivision | HUNTINGTON ESTATES |
| Legal Lot Number | 49 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | LISLE |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 846205 |
845 Rossmere Ct is owned and occupied by two individuals who acquired it in October 2019.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 845 ROSSMERE CT, NAPERVILLE, IL 60540-8214 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage KEY MORTGAGE SERVICES INC |
| Nov 5, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Oct 17, 2019 | Warranty Deed, Transfer · Conventional Mortgage KEY MORTGAGE SERVICES INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 17, 2019 · Amount on File |
| Deed Sale | Oct 17, 2019 · Amount on File |
| Prior Sale | Sep 3, 2009 · Amount on File |
| Deed Document Number | 201994392 |
| Last Transfer Date | Oct 29, 2019 |
| Transfer Doc | 0000101773 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 845 ROSSMERE CT, NAPERVILLE, IL 60540-8214 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Title Company | BAIRD & WARNER TTL SVCS INC |
| Name | Verified Name |
|---|
| Document Number | 0000036942 |
|---|---|
| Date | Apr 16, 2020 |
| Instrument | R2020-036942 |
| Name | KEY MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Address | SCHAUMBURG, IL 60173 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 356 Months |
| Due | Dec 1, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.25% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Nov 5, 2019 |
| Property Address | 845 ROSSMERE CT, NAPERVILLE, IL 60540-8214 |
| Document Number | 0000101773 |
| Instrument Date | Oct 29, 2019 |
| Instrument | 101773 |
| Transaction Type | Transfer |
| Record Updated | Nov 22, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 845 ROSSMERE CT NAPERVILLE IL 605408214, NAPERVILLE, IL 60540-8214 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DU PAGE IL |
| Recording Date | Oct 17, 2019 |
| Property Address | 845 ROSSMERE CT, NAPERVILLE, IL 60540-8214 |
| Document Number | 0000094392 |
| Map Reference | DOC R77-09278 |
| Instrument Date | Sep 20, 2019 |
| Instrument | R2019-094392 |
| Transaction Type | Transfer |
| Record Updated | Dec 14, 2021 |
| Title Company | BAIRD & WARNER TTL SVCS INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $505.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 845 ROSSMERE CT, NAPERVILLE, IL 60540-8214 |
| Document Number | 0000094393 |
|---|---|
| Date | Oct 17, 2019 |
| Instrument | R2019-094393 |
| Name | KEY MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 1, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.62% |
The 2025 property tax bill for 845 Rossmere Ct was $13,125 with a homeowner's exemption.
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 | $13,125.00 | $232,897 Land $88,687 Building $144,210 | $698,691 Land $266,061 Building $432,630 |
| 2022 | $11,348.00 Homeowner's exemption | $181,350 Land $69,060 Building $112,290 | $544,050 Land $207,180 Building $336,870 |
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.
FEMA maps place 845 Rossmere Ct in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1983.
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 | 3 in force |
| Nearby Flood Claims | 3 (1983–2017) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Oct 2017 · other causes |
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.
Wildfire risk around 845 Rossmere Ct is low, with less than a 0.01% annual chance of wildfire.
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 344 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
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