Kane County property record for 421 W Downer Pl, Aurora, IL 60506
| Property Type | Commercial Vacant Land |
|---|---|
| Details | 17 bd · 14,682 sqft · built 1962 |
| Lot Size | 0.303 acres (13,200 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $18,966 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-21-260-026 |
| Primary APN | 15-21-260-026 |
|---|
| Bedrooms | 17 Beds |
|---|---|
| Total Rooms | 32 Rooms |
| Units | 12 Units |
| Stories | 3 Stories |
| Building Area | 14,682 sqft Gross Area |
| Basement Area | 1,800 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 13,200 sqft (0.303 acres) |
| Lot Dimensions | 132 ft deep x 100 ft wide |
| Street Address | 421 W DOWNER PL |
|---|---|
| City | AURORA |
| State | IL |
| Zip | 60506-5050 |
| Property Category | Commercial |
| Property Type | Vacant Land > Commercial |
| Legal Description | D G LAKES ADDN LOT 2 BLK 4 LOT DIMENSIONS: 100 X 132 APPROX LOT SQ FT 13200 HISTORIC DISTRICT WESTSIDE SUBDIVISION: D G LAKES ADDN RANGE CODE: 016 |
| Legal Subdivision | D G LAKES ADDN |
| Legal Block | 4 |
| Legal Lot Number | 2 |
| Jurisdiction | KANE IL |
| Township / Civil Division | AURORA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 853900 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the West Side Historic District listed 1986 · 93 contributing resources · NRIS 86001484 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 131 LE GRANDE BLVD, AURORA, IL 60506-4871 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 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 | $18,966.00 (+11.87%) | $255,359 (+9.39%) Land $40,991 Building $214,368 | $766,384 (+9.39%) Land $123,022 Building $643,361 |
| 2024 | $233,439 (+22.66%) Land $37,472 Building $195,967 | $700,597 (+22.71%) Land $112,461 Building $588,136 | |
| 2022 | $16,953.00 (+4.04%) | $190,307 (+7.41%) Land $30,548 Building $159,759 | $570,921 (+7.41%) Land $91,644 Building $479,277 |
| 2021 | $16,294.00 | $177,177 Land $28,441 Building $148,736 | $531,531 Land $85,323 Building $446,208 |
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
| 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.
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 439 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Metronet, T-Mobile, Watch TV.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures