Crump Real Estate LLC has purchased an office building in Middletown.

The company acquired the 3,600 square-foot building from Lisa J. Realty LLC for $300,000.

An affiliated company, Change Inc., a community-based mental health organization that shares an owner with Crump, will operate out of the building at 1251 South Main St. Trevor David, CCIM, of Trevor Davis Commercial Real Estate, brokered the sale.