Cook County property record for 4209 N Keystone Ave, Chicago, IL 60641
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 850 sqft · built 1923 |
| Lot Size | 0.2 acres (8,700 sqft) |
| Owner | Company Name on File |
| Last Sale | $48,000 (Nov 2013) |
| Tax Bill | $1,482 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-15-412-029-1008 |
| Primary APN | 13-15-412-029-1008 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Units | 65 Units |
| Building Area | 850 sqft Living Area |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1923 |
| Architectural Style | Condo/Apartment |
| Lot Area | 8,700 sqft (0.2 acres) |
| Street Address | 4209 N KEYSTONE AVE, GE |
|---|---|
| City | CHICAGO |
| State | IL |
| Zip | 60641-2318 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | RT-4 |
| Legal Range | 13E |
| Legal Township | 40N |
| Legal Section | 15 |
| Legal Subdivision | 4207-11 N KEYSTONE CONDO |
| Legal Lot Number | 21 |
| Jurisdiction | COOK IL |
| Township / Civil Division | CHICAGO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 160300 |
4209 N Keystone Ave is owned by a company that bought it in November 2013.
Source: Cook County records, as of May 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 964, WILMETTE, IL 60091-0964 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Nov 5, 2013 · Amount on File |
| Deed Sale | Nov 5, 2013 · Amount on File |
| Prior Sale | Jul 29, 2004 · Amount on File |
| Deed Document Number | 201345021 |
| Record Updated | Oct 29, 2026 |
Source: Cook County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| Municipality | Chicago City |
| Unified School District | Chicago Public School District 299 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,419 Land $1,416 Building $6,003 | $74,190 Land $14,160 Building $60,030 | |
| 2023 | $1,482.00 (+2.63%) | ||
| 2022 | $1,444.00 | $6,999 Land $1,147 Building $5,852 | $69,990 Land $11,470 Building $58,520 |
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.
FEMA maps place 4209 N Keystone Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective February 11, 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 4209 N Keystone Ave 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 | CHICAGO serves 2,721,308 people · EPA ID IL0316000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2026 |
| Lead | 6 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 8 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 597 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 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Zentro.
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