As of , there are 27 properties listed for sale in the city of Williamsport and 27 properties listed for sale in the ZIP code 21795. Those 27 Williamsport properties include 25 single family homes and 2 condos. This single family residential home located at 15403 Dellinger Rd in 21795 was last listed for $112,666. This is 63% below the median of $303,900 for that ZIP code and 63% below the current median price of $303,900 for Williamsport. 15403 Dellinger Rd is roughly — square feet, which is 100% below the Williamsport median of 2,277 and 100% below the 21795 ZIP code median of 2,277. This property's price per Sqft was —, which is 100% below the current median price in 21795 of $128 and 100% below the Williamsport median of $128 per Sqft.