As of , there are 28 properties listed for sale in the city of Preston and 28 properties listed for sale in the ZIP code 21655. Those 28 Preston properties include 28 single family homes and 0 condos. This single family residential home located at 22721 Marsh Creek Rd in 21655 was last listed for $—. This is 100% below the median of $224,450 for that ZIP code and 100% below the current median price of $224,450 for Preston. 22721 Marsh Creek Rd is roughly 2,688 Sqft, which is 60% above the Preston median of 1,680 and 60% above the 21655 ZIP code median of 1,680. This property's price per Sqft was —, which is 100% below the current median price in 21655 of $114 and 100% below the Preston median of $114 per Sqft.