Opendoor, a leading online real estate marketplace acquires OS National, a title and escrow company. Financial terms were not disclosed. The acquisition allows Opendoor to deeply integrate title, escrow, and closings into its online buying and selling experience and will enable the company to build the most streamlined and easiest closing experience. "We are very excited to join the Opendoor family, We share many core values like placing the customer first, appreciation for their employees, and like us they want to be the very best at what they do." Charles Chacko, OS National CEO.