As of , there are 89 properties listed for sale in the city of Oakland and 89 properties listed for sale in the ZIP code 21550. Those 89 Oakland properties include 84 single family homes and 5 condos. This single family residential home located at 433 Old Conowingo Rd in 21550 was last listed for $—. This is 100% below the median of $249,900 for that ZIP code and 100% below the current median price of $249,900 for Oakland. 433 Old Conowingo Rd is roughly 280 Sqft, which is 88% below the Oakland median of 2,250 and 88% below the 21550 ZIP code median of 2,250. This property's price per square foot was —, which is 100% below the current median price in 21550 of $139 and 100% below the Oakland median of $139 per square foot.