Splitting costs makes financial sense, but co-owners need clear agreements to avoid disputes if the relationship ends. What It Means to Own Property With an Unmarried PartnerWhen hearing about unmarried couples that buy homes, the mind immediately goes to romantic partners, but this isn’t always the case. The main issue is that U.S. property laws treat unmarried individuals as separate legal entities rather than a single, blended financial entity. Conversations to Have Before Searching For a HomeWhile it’s not unlikely for unmarried couples to buy homes, having honest, open conversations about finances, decision-making, asset division, and the future in general is still a touchy subject. Open Communication and A Solid AgreementFor many couples, buying a home can be a smart financial decision.