As of , there are 2 properties listed for sale in the city of Black River and 2 properties listed for sale in the ZIP code 48721. Those 2 Black River properties include 2 single family homes and 0 condos. This single family residential home located at 5525 Ridge Rd in 48721 was last listed for $—. This is 100% below the median of $167,450 for that ZIP code and 100% below the current median price of $167,450 for Black River. 5525 Ridge Rd is roughly — Sqft, which is 100% below the Black River median of 2,507 and 100% below the 48721 ZIP code median of 2,507. This property's price per Sqft was —, which is 100% below the current median price in 48721 of $61 and 100% below the Black River median of $61 per Sqft.