What unmarried couples should agree on before buying a house together

Two people can agree to buy a house together long before they agree on what that means legally. The excitement is in the listing, the yard, the extra room. The paperwork isn’t as easy. Whose name goes on the deed, what a breakup does to the mortgage, tends to arrive later, decided in a rush at the closing table if anyone raises it at all. Buying a house together unmarried works fine for a lot of couples. It works better for the ones who settle a few specific things before an offer goes in.

Why buying a house together unmarried needs its own conversation

Marriage comes with defaults nobody has to write down: inheritance rights, a familiar path through divorce court, tax treatment built for two names filing together. Skip the marriage and those defaults disappear. What a court looks at instead, if a couple splits up or one partner dies without a plan, is the deed and whatever receipts still exist. Who paid for what, or who spent a Saturday finding the place, rarely enters into it.

Choose how you’ll hold title before you shop for houses

Two structures cover most cases. Joint tenancy with right of survivorship passes ownership automatically to the surviving partner if one of you dies, and the house itself skips probate. Tenants in common lets each person hold a stated share, uneven if needed, say sixty-forty if one of you covered more of the down payment. On death, that share passes to whoever is named in a will rather than automatically to the partner still living there. A couple who split the cash evenly, with no children from other relationships involved, often leans toward joint tenancy. A couple where one person put in most of it usually needs tenants in common. This belongs on the deed, decided before closing, and it echoes the same question raised whenever one partner earns significantly more: whether a bigger check should mean a bigger share.

Put the exit plan in writing, not just the mortgage

A mortgage application asks what each of you earns. It says nothing about what happens if you split up next year. A cohabitation agreement is the document that does: who keeps the house or whether it sells, how the equity divides if one of you put more into it, and what happens to the payment if the other person moves out before the sale closes. Writing this down doesn’t mean distrust. It means deciding it while you both still like each other, instead of negotiating it during a breakup, when whoever is more upset usually has less power to push back. This sits close to the kind of relationship agreement most couples never actually write down: unspoken until something goes wrong, easier to make explicit while nothing has.

Match the paperwork to what marriage would have handled automatically

A spouse inherits a shared home without asking for it. An unmarried partner doesn’t, no matter how many years they’ve lived there. A will that names the house, a beneficiary designation on any life insurance tied to the mortgage, and a plain note about the payment if one partner dies unexpectedly do the work marriage would have done on its own. None of it is romantic. It’s also the only way the surviving partner avoids negotiating with the deceased partner’s family over a house they’ve lived in for years, a narrower problem than merging finances once you’ve moved in together, which usually gets solved first. Title and estate paperwork tend to lag behind, mostly because nobody enjoys them.

What to do if one of you isn’t ready to sign anything yet

Sometimes raising the agreement is where the actual problem shows up. One partner treats the conversation as basic prudence. The other hears it as a rehearsal for the relationship failing, and reacts accordingly. That deserves attention. A cohabitation agreement can’t manufacture trust that isn’t there yet, and resistance to writing anything down is sometimes resistance to admitting how unsettled the relationship still feels to one of you. If so, the conversation that’s actually needed has nothing to do with tenancy structures. It’s the plainer one about whether you’re picturing the same future at all, closer to how two people decide on a shared money system than to anything an attorney can settle. That conversation is worth having while it’s still hypothetical.

Before the offer goes in

None of this is a reason to slow down a genuinely good decision. It’s a reason to spend one evening on paperwork most couples put off until a lawyer is already involved. The house is easy to want. The agreements underneath it are what decide whether wanting it together was ever really the same thing as being ready to build a life around it.