Cook County property record for 3621 Blackstone Ave, Markham, IL 60428
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,091 sqft · built 1947 |
| Lot Size | 0.356 acres (15,520 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $5,018 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 28-23-120-010 |
| Primary APN | 28-23-120-010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,091 sqft Living Area |
| 1st Floor Area | 1,091 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Bungalow |
| Exterior Material | Wood |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Material | Asphalt |
| Lot Area | 15,520 sqft (0.356 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 3621 BLACKSTONE AVE |
|---|---|
| City | MARKHAM |
| State | IL |
| Zip | 60428-4421 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | A T (MCINTOSH) & COS (SOUTHTOWN) MANOR (UNIT2) SUB IN NW S OF IBL NW SEC 23-36-13 |
| Legal Range | 13E |
| Legal Township | 36N |
| Legal Section | 23 |
| Legal Subdivision | MCINTOSH & COS SOUTHTOWN MANOR UNIT2 |
| Legal Block | 7 |
| Legal Lot Number | 9 |
| Legal Unit | 2 |
| Jurisdiction | COOK IL |
| Township / Civil Division | BREMEN |
| Census Block Group | 4 |
| Census Block | 4017 |
| Census Tract | 825600 |
Source: Cook County records, 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 | Individual Name on Record |
|---|---|
| Mailing Address | 3621 BLACKSTONE AVE, MARKHAM, IL 60428-4421 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 13, 2013 |
| Deed Sale | Aug 13, 2013 |
| Deed Document Number | 201319046 |
| Prior Transfer Date | May 1, 1994 |
| Prior Transfer Doc | 0000000071 |
| 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 | $11,000 (+78.08%) Land $3,492 Building $7,508 | $110,000 (+78.08%) Land $34,920 Building $75,080 | |
| 2023 | $5,018.00 (+122.92%) | ||
| 2022 | $2,251.00 Homeowner's exemption | $6,177 Land $3,104 Building $3,073 | $61,770 Land $31,040 Building $30,730 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| 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 | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | 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 227 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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