Kane County property record for 421 S Commonwealth Ave, Aurora, IL 60506
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,000 sqft · built 1933 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $129,500 (Jun 2001) |
| Tax Bill | $5,496 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-20-480-016 |
| Primary APN | 15-20-480-016 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,000 sqft Living Area |
| Gross Area | 1,716 sqft |
| 1st Floor Area | 1,000 sqft |
| Basement Area | 500 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1933 |
| Construction Type | Frame |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 421 S COMMONWEALTH AVE |
|---|---|
| City | AURORA |
| State | IL |
| Zip | 60506-5439 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NEW DOWNER PLACE ADDN LOT 12 BLK 38 LOT DIMENSIONS: 50 X 150 APPROX LOT SQ FT 7500 SUBDIVISION: SECTION 20 RANGE CODE: 001 |
| Legal Subdivision | NEW DOWNER PLACE ADDN |
| Legal Block | 38 |
| Legal Lot Number | 12 |
| Jurisdiction | KANE IL |
| Township / Civil Division | AURORA |
| Census Block Group | 3 |
| Census Block | 3036 |
| Census Tract | 853900 |
Source: Kane County records, as of July 23, 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 | 421 S COMMONWEALTH AVE, AURORA, IL 60506-5439 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 18, 2001 · Amount on Record |
| Deed Sale | Jun 18, 2001 · Amount on Record |
| Prior Sale | Mar 12, 1996 · Amount on Record |
| Deed Document Number | 200158446 |
| Prior Transfer Date | Mar 8, 1996 |
| Prior Transfer Doc | 0000017544 |
| Record Updated | Oct 29, 2026 |
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 West Unit School District 129 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,496.00 (+12.65%) Homeowner's exemption | $82,008 (+9.39%) Land $15,171 Building $66,837 | $246,122 (+9.39%) Land $45,531 Building $200,591 |
| 2024 | $74,969 (+22.66%) Land $13,869 Building $61,100 | $224,997 (+22.71%) Land $41,624 Building $183,373 | |
| 2022 | $4,879.00 (+4.92%) Homeowner's exemption | $61,118 (+7.41%) Land $11,307 Building $49,811 | $183,354 (+7.41%) Land $33,921 Building $149,433 |
| 2021 | $4,650.00 Homeowner's exemption | $56,902 Land $10,527 Building $46,375 | $170,706 Land $31,581 Building $139,125 |
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 October 8, 2026 · 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 |
| Nearby Flood Claims | 1 (1981) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 1981 · tidal / storm surge |
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 | 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 548 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Metronet, T-Mobile, Watch TV.
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