Kane County property record for 621 Flagg St, Aurora, IL 60505
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,308 sqft · built 1910 |
| Lot Size | 0.148 acres (6,438 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $69,000 (Jan 1997) |
| Tax Bill | $3,214 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-22-431-025 |
| Primary APN | 15-22-431-025 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,308 sqft Living Area |
| Gross Area | 2,032 sqft |
| Basement Area | 724 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Construction Type | Frame |
| Lot Area | 6,438 sqft (0.148 acres) |
| Lot Dimensions | 87 ft deep x 74 ft wide |
| Porch | Open Porch |
| Street Address | 621 FLAGG ST |
|---|---|
| City | AURORA |
| State | IL |
| Zip | 60505-3519 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | E W ALLENS ADDN : LOT 2 BLK 4 LOT DIMENSIONS: 74 X 87 APPROX LOT SQ FT 6438 SUBDIVISION: SEC 23 & PT SEC 22 RANGE CODE: 001 |
| Legal Subdivision | E W ALLENS ADDN |
| Legal Block | 4 |
| Legal Lot Number | 2 |
| Jurisdiction | KANE IL |
| Township / Civil Division | AURORA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 853402 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 621 FLAGG ST, AURORA, IL 60505-3519 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 2, 1997 · Amount on Record |
| Deed Sale | Jan 2, 1997 · Amount on Record |
| Prior Sale | May 2, 1996 · Amount on Record |
| Deed Document Number | 199751 |
| Last Transfer Date | Sep 13, 2007 |
| Transfer Doc | 0000100678 |
| 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 East Unit School District 131 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,214.00 (+18.29%) Homeowner's exemption | $57,217 (+11.67%) Land $9,907 Building $47,310 | $171,720 (+11.67%) Land $29,733 Building $141,987 |
| 2024 | $51,239 (+22.67%) Land $9,057 Building $42,182 | $153,779 (+22.72%) Land $27,182 Building $126,597 | |
| 2022 | $2,717.00 (+2.34%) Homeowner's exemption | $41,771 (+7.41%) Land $7,383 Building $34,388 | $125,313 (+7.41%) Land $22,149 Building $103,164 |
| 2021 | $2,655.00 Homeowner's exemption | $38,890 Land $6,874 Building $32,016 | $116,670 Land $20,622 Building $96,048 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
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 669 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: Metronet, T-Mobile, Verizon, Watch TV.
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