Kane County property record for 21 N Commonwealth Ave, Elgin, IL 60123 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 2 Baths |
| Year Built | Built 1900 |
| Square Footage | 2,224 sqft Living Area |
| Lot Size | 6,600 sqft (0.152 acres) |
| Garage | Detached |
| Occupancy | Owner Occupied |
| Tax Bill | $7,472.00 (2025) |
| Primary APN | 06-14-302-007 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 8 Rooms |
| Building Area | 2,224 sqft Living Area |
| Gross Area | 3,104 sqft Gross Area |
| Basement Area | 880 sqft Basement |
| Stories | 2 Stories |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Construction Type | Frame Construction |
| Foundation Type | No Foundation Foundation |
| Lot Area | 6,600 sqft (0.152 acres) |
| Parking Spaces | 4 Parking Spaces |
| Garage Type | Detached Garage |
| Street Address | 21 N COMMONWEALTH AVE |
|---|---|
| City | ELGIN |
| State | IL |
| Zip | 60123-5227 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | WASHINGTON HEIGHTS ADDN LOT 12 BLOCK 1 |
| Legal Subdivision | ASHINGTON HEIGHTS ADDN |
| Legal Block | 1 |
| Legal Lot Number | 12 |
| Jurisdiction | KANE IL |
| Minor Civil Division | ELGIN |
| Census Blockgroup | 4 |
| Census Block | 4022 |
| Census Tract | 851101 |
Source: Kane County records · APN 06-14-302-007
Assessment roll updated July 23, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 N COMMONWEALTH AVE, ELGIN, IL 60123-5227 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
Source: Kane County records · Assessment roll updated July 23, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Kane County |
| County Subdivision | Elgin Township |
| Municipality | Elgin City |
| Unified School District | School District U-46 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,472.00 (+15.84%) Homeowner's exemption | $105,946 (+8.57%) Land $15,540 Building $90,406 | $317,965 (+8.57%) Land $46,639 Building $271,327 |
| 2024 | $97,583 (+21.39%) Land $14,313 Building $83,270 | $292,866 (+21.44%) Land $42,956 Building $249,910 | |
| 2022 | $6,450.00 (+4.56%) Homeowner's exemption | $80,386 (+6.96%) Land $11,791 Building $68,595 | $241,158 (+6.96%) Land $35,373 Building $205,785 |
| 2021 | $6,169.00 Homeowner's exemption | $75,155 Land $11,024 Building $64,131 | $225,465 Land $33,072 Building $192,393 |
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