Kane County property record for 643 S 4th St, Aurora, IL 60505
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,828 sqft · built 1900 |
| Lot Size | 0.132 acres (5,733 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,006 (2025) |
| Deeds & Mortgages | Dec 2016 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-27-305-024 |
| Primary APN | 15-27-305-024 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,828 sqft Living Area |
| Gross Area | 3,392 sqft |
| Basement Area | 914 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Construction Type | Frame |
| Lot Area | 5,733 sqft (0.132 acres) |
| Lot Dimensions | 98 ft deep x 58.5 ft wide |
| Garage Type | Attached |
| Garage Area | 650 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Street Address | 643 S 4TH ST |
|---|---|
| City | AURORA |
| State | IL |
| Zip | 60505-5140 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | E SIMS ADDN : S 58.50 FT LOT 15 & E 32 : FT S 58.50 FT LOT 16BLK 2 LOT DIMENSIONS: 58.50 X 98 APPROX LOT SQ FT 5733 SUBDIVISION: SEC 27&34 N ASHLAND RANGE CODE: 001 |
| Legal Subdivision | E SIMS ADDN |
| Legal Block | 2 |
| Legal Lot Number | 15,16 |
| Jurisdiction | KANE IL |
| Township / Civil Division | AURORA |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 854200 |
643 S 4th St is owned and occupied by two individuals who acquired it in February 2016.
Source: Kane County records, as of July 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 643 S 4TH ST, AURORA, IL 60505-5140 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 21, 1995 |
| Deed Sale | Dec 21, 1995 |
| Deed Document Number | 199578072 |
| Last Transfer Date | Feb 23, 2016 |
| Transfer Doc | 0000010423 |
| Record Updated | Sep 20, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | KANE IL |
| Property Address | 643 S 4TH ST, AURORA, IL 60505-5140 |
| Document Number | 0000005311 |
| Instrument Date | Dec 8, 2016 |
| Transaction Type | Mortgage |
| Record Updated | May 4, 2017 |
| Name | Verified Name |
|---|---|
| Address | 643 S 4TH ST AURORA IL 605055140, AURORA, IL 60505-5140 |
| Document Number | 0000005311 |
|---|---|
| Date | Jan 30, 2017 |
| Instrument | 5311 |
| Name | FEDERAL NAT'L MTG ASSN (FNMA) |
|---|---|
| Type | Mortgage Company |
| Amount | Amount on Record |
|---|---|
| Term | 468 Months |
| Due | Jan 29, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.5% |
The 2025 property tax bill for 643 S 4th St was $6,006.
Source: Kane County assessment roll, as of July 23, 2026
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Aurora City |
| County | Kane County |
| County Subdivision | Aurora Township |
| Unified School District | Aurora East Unit School District 131 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,006.00 | $91,968 (+9.39%) Land $7,291 Building $84,677 | $276,014 (+9.39%) Land $21,882 Building $254,133 |
| 2024 | $84,073 Land $6,665 Building $77,408 | $252,320 Land $20,003 Building $232,317 | |
| 2022 | $5,033.00 (+1.1%) | $66,244 (+7.41%) Land $5,433 Building $60,811 | $198,732 (+7.41%) Land $16,299 Building $182,433 |
| 2021 | $4,978.00 | $61,674 Land $5,058 Building $56,616 | $185,022 Land $15,174 Building $169,848 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 643 S 4th St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 8, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 643 S 4th St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | AURORA serves 183,000 people · EPA ID IL0894070 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2025 |
| Lead | 26 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 734 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Verizon, Watch TV.
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