Cook County property record for 3946 Blackstone Ave, Markham, IL 60428
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,304 sqft · built 1956 |
| Lot Size | 0.294 acres (12,800 sqft) |
| Owner | Company Name on File |
| Tax Bill | $5,596 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 28-23-127-009 |
| Primary APN | 28-23-127-009 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,304 sqft Living Area |
| 1st Floor Area | 1,304 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Bungalow |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Foundation Type | No Foundation |
| Roof Material | Asphalt |
| Lot Area | 12,800 sqft (0.294 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 3946 BLACKSTONE AVE |
|---|---|
| City | MARKHAM |
| State | IL |
| Zip | 60428-4426 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Range | 13E |
| Legal Township | 36N |
| Legal Section | 23 |
| Legal Subdivision | SOUTHTOWN MANOR 04/A T MCINTOSH |
| Legal Block | 15 |
| Legal Lot Number | 9 |
| Jurisdiction | COOK IL |
| Township / Civil Division | BREMEN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 825600 |
Source: Cook County assessment roll, as of May 27, 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 | 3946 BLACKSTONE AVE, MARKHAM, IL 60428-4426 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Cook County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Bremen Township |
| Municipality | Markham City |
| Secondary School District | Bremen Community High School District 228 (09 - 12) |
| Elementary School District | Prairie-Hills Elementary School District 144 (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $13,000 (+58.65%) Land $2,880 Building $10,120 | $130,000 (+58.65%) Land $28,800 Building $101,200 | |
| 2023 | $5,596.00 (+43.56%) | ||
| 2022 | $3,898.00 Homeowner's exemption | $8,194 Land $2,560 Building $5,634 | $81,940 Land $25,600 Building $56,340 |
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 February 11, 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 |
| Nearby Flood Claims | 2 (2021–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jan 2022 · river or lake flooding |
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 |
|---|
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MARKHAM serves 12,500 people · EPA ID IL0311770 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 119 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fiber | 1,000 / 1,000 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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