Cook County property record for 16645 Winchester Ave, Markham, IL 60428
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,051 sqft · built 1959 |
| Lot Size | 0.126 acres (5,490 sqft) |
| Owner | Company Name on File |
| Tax Bill | $5,224 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 29-19-425-042 |
| Primary APN | 29-19-425-042 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,051 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Split Level |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 5,490 sqft (0.126 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 16645 WINCHESTER AVE |
|---|---|
| City | MARKHAM |
| State | IL |
| Zip | 60428-5642 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Range | 14E |
| Legal Township | 36N |
| Legal Section | 19 |
| Jurisdiction | COOK IL |
| Township / Civil Division | THORNTON |
| Census Block Group | 3 |
| Census Block | 3019 |
| Census Tract | 827600 |
Source: Cook County assessment roll, APN 29-19-425-042, as of May 27, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 100 TANGLEWOOD DR, FREEPORT, IL 61032-6842 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Cook County assessment roll as of May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Thornton Township |
| Municipality | Markham City |
| Elementary School District | Hazel Crest School District 152-5 (PK - 08) |
| Secondary School District | Thornton Township High School District 205 (09 - 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 | $7,400 (+72.21%) Land $1,784 Building $5,616 | $74,000 (+72.21%) Land $17,840 Building $56,160 | |
| 2023 | $5,224.00 (+28.23%) | ||
| 2022 | $4,074.00 | $4,297 Land $1,509 Building $2,788 | $42,970 Land $15,090 Building $27,880 |
Source: FEMA National Flood Hazard Layer, Cook County (17031C), as of February 11, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170318276003, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 38 (1981–1996) |
| Claims Outside the SFHA | 9 of 38 |
| Most Recent Claim | Jul 1996 · Severe Storms And Flooding |
| Claims by Event |
|
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection, 275 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
Source: EPA Safe Drinking Water Information System, water system IL0311770, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARKHAM serves 12,500 people |
|---|---|
| Water Source | Purchased surface water from MID-MARK WATER COMMISSION |
| Last State Inspection | Mar 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 5 last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.
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