As of , there are 45 properties listed for sale in the city of Rock Hall and 45 properties listed for sale in the ZIP code 21661. Those 45 Rock Hall properties include 42 single family homes and 3 condos. This single family residential home located at 5706 N Main St in 21661 was last listed for $140,833. This is 31% below the median of $205,000 for that ZIP code and 31% below the current median price of $205,000 for Rock Hall. 5706 N Main St is roughly 1,608 Sqft, which is 0.8% above the Rock Hall median of 1,595 and 0.8% above the 21661 ZIP code median of 1,595. This property's price per square foot was $88, which is 45% below the current median price in 21661 of $160 and 45% below the Rock Hall median of $160 per square foot.