Multi Family Home Sales in Cache County have been pretty slow through the first six months of the year. Just five Logan duplexes, and 8 four-plexes have sold thus far. The duplex sales numbers are actually down from a year ago when six duplexes sold in the first six months of the year. Right now there are 15 duplexes for sale in the Logan area. The median list price of these duplexes is $155,000, with an average price of $167,000. The duplexes that have sold this year have been very inexpensive with an average sales price of just $122,690.