As of , there are 10 properties listed for sale in the city of Lonaconing and 10 properties listed for sale in the ZIP code 21539. Those 10 Lonaconing properties include 10 single family homes and 0 condos. This single family residential home located at 1702 Green Lantern Rd in 21539 was last listed for $—. This is 100% below the median of $64,450 for that ZIP code and 100% below the current median price of $64,450 for Lonaconing. 1702 Green Lantern Rd is roughly 1,696 Sqft, which is 0.7% below the Lonaconing median of 1,708 and 0.7% below the 21539 ZIP code median of 1,708. This property's price per square foot was —, which is 100% below the current median price in 21539 of $50 and 100% below the Lonaconing median of $50 per square foot.