In short: when a relationship ends, money doesn't separate itself. What you signed with third parties (a bank, a landlord, an insurer) stays in force until they agree to change it, married or not. What changes is the process: it depends on whether you're married and on where you live. This guide is a checklist for getting organized, not legal advice.
Two paths, depending on whether you're married
Married. Ending a marriage usually runs through a formal legal process, and the rules on dividing property, debts and any ongoing support depend on where you live. If there are children, the process is usually more involved. Find out which process applies to you and what a written agreement between you needs to include to be valid.
Not married. The rules for unmarried couples vary even more from place to place, and in some places they give you very little to fall back on. What applies depends on local law and on whatever you agreed between you. That's why it pays to put things in writing and have a local lawyer look at it.
What doesn't change on its own
| Topic | What happens by default | What to do |
|---|---|---|
| Account with two holders | Usually either holder can access the funds, and the account itself doesn't say whose money is whose. Check your account agreement | Agree beforehand what comes out of each account. If one holder objects or asks the bank to freeze it, the bank may refuse transactions that both haven't approved |
| Loan or mortgage in both names | Your agreement with each other doesn't bind the lender. Changing who is responsible needs the lender's consent, and if you're jointly liable the lender can often go after either of you for the full amount | Ask the lender in writing what the options are, or sell |
| Home you co-own | You both remain owners in your shares until it is sold or transferred, and one of you may be able to force a sale. This depends on local law | Decide who keeps it, or sell |
| Property acquired during a marriage | If you're married, how shared property is divided depends on local law and any agreement you signed | Make an inventory, with documents for each asset and debt |
| Powers of attorney and authorizations | Authorizations you gave each other don't necessarily end on their own | Review and revoke the ones you've granted |
| Wills and beneficiaries | They don't update themselves | Redo them (see Wills for Couples) |
An example with Blue and Orange
Blue (the whale) and Orange (the penguin) own a home valued at $250,000, with $150,000 of mortgage still owed, 50/50. The net value is $100,000: $50,000 each, before selling costs and taxes.
- Selling it: after paying off the mortgage, $100,000 remains, $50,000 for each.
- Orange keeps it: Orange would have to compensate Blue with $50,000, and the lender would have to agree to Orange being the only borrower. With a $900 payment, that would be 56% of Orange's $1,600 take-home (compared with 32% of Blue's $2,800). That figure doesn't decide anything on its own, but it shows how big a strain it is.
- Blue keeps it: Blue would compensate Orange with $50,000 and take on the $900 payment, with the same lender requirement.
While you sort it out, the rent or the payment can be split in proportion to what each of you earns: for every $1,000 of shared expenses, $636 from Blue and $364 from Orange. It's a way to balance the transition period, not a legal rule.
A checklist to get organized
- The full picture. Accounts, cards, loans, mortgage, insurance, subscriptions, rent, bills. Who signed, the amount and the dates.
- Accounts. Decide which account pays for what and when you separate them. The fact that the bank lets you do something doesn't mean the money is yours; emptying a joint account can create a conflict between you.
- Shared expenses until one of you moves out. A written agreement, with an end date.
- Housing. Sell, buy the other out, or stay together for a while, with a deadline.
- Debts. A list and a split; see Debt as a Couple.
- What each of you takes. Belongings, household items and pets (settle who keeps them).
- In writing. Every agreement, with a lawyer's help. An agreement between you doesn't change what you owe the bank.
- Afterward. Redo wills, beneficiaries and authorizations, and notify whoever needs to know (landlord, utilities, insurers).
What we leave to a professional
Ongoing support between partners, dividing up a business or a large estate, and any case involving children. Every state or country adds its own details.
General information, not financial, tax or legal advice. For your specific situation, consult a professional.