As of , there are 2 properties listed for sale in the city of Unionville and 2 properties listed for sale in the ZIP code 48767. Those 2 Unionville properties include 2 single family homes and 0 condos. This single family residential home located at 6594 Mertz St in 48767 was last listed for $38,333. This is 45% below the median of $69,900 for that ZIP code and 45% below the current median price of $69,900 for Unionville. 6594 Mertz St is roughly — Sqft, which is 100% below the Unionville median of 1,458 and 100% below the 48767 ZIP code median of 1,458. This property's price per square foot was —, which is 100% below the current median price in 48767 of $69 and 100% below the Unionville median of $69 per square foot.