As of , there are 36 properties listed for sale in the city of Markham and 33 properties listed for sale in the ZIP code 60428. Those 36 Markham properties include 36 single family homes and 0 condos. This single family residential home located at 3726 Blackstone Ave in 60428 was last listed for $77,500. This is 14% below the median of $89,843 for that ZIP code and 14% below the current median price of $89,786 for Markham. 3726 Blackstone Ave is roughly 1,434 square feet, which is 0.2% above the Markham median of 1,431 and 2% above the 60428 ZIP code median of 1,400. This property's price per Sqft was $54, which is 4% below the current median price in 60428 of $56 and N/A below the Markham median of $54 per Sqft.