Cohabitation agreement for an unmarried couple (Spain)
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This document is in Spanish
The PDF you download is in Spanish — that is the language it has to be filed in, so it is not translated. Everything on this page is here to tell you what it says.
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For couples who live together without being married and want to set out in writing how they share household costs, who owns what and what happens if they separate. The agreement names their autonomous community and refers to its rules on registered couples; in Aragón, the Balearic Islands, Catalonia, Galicia, Navarre and the Basque Country their own regional civil law also applies, according to each partner’s civil residence (vecindad civil). It does not register the couple: registration uses the regional registry’s own form, free to download online. Both sign two copies. In Spanish.
- Made for use in Spain
- Last updated October 20, 2026
Published byDocMuse
When to use this document
- You live with your partner in Spain without being married and want to write down how you split the bills and rent.
- You are buying furniture and a car together and want it clear who owns what if you split up.
- You are about to register as an unmarried couple and want to agree on money matters in writing first.
- You want a cohabitation agreement that takes your autonomous community’s rules into account.
What you fill in
The details the document asks for.
- City
- Date
- First partner
- First partner's DNI or NIE (Spanish identity number)
- First partner's address
- Second partner
- Second partner's DNI or NIE (Spanish identity number)
- Second partner's address
- Shared home (address)
- Autonomous community of the couple
- Each partner's share of household costs
- First partner's own belongings
- Second partner's own belongings
- Arrangement for the home
Common questions
- Does this agreement register us as a couple in Spain?
- No. Registration is requested from the couples’ registry of your autonomous community or town hall, on that registry’s own form, which can be downloaded free from its website; some communities charge a fee to register. In the Basque Country and Andalusia only registered couples count as couples under their law; in Catalonia a stable couple also exists after two years of living together or with a child in common. For a survivor’s pension, registration or a public document made two years before the death is needed (article 221 of the Spanish General Social Security Act): this private agreement is not enough.
- Is the same cohabitation agreement valid throughout Spain?
- The text follows the general rules of the Spanish Civil Code, valid throughout Spain, and the autonomous community you name points to its rules on couples. Aragón, the Balearic Islands, Catalonia, Galicia, Navarre and the Basque Country have their own regional civil law, applied by each partner’s civil residence (vecindad civil), which may impose rules of its own; in Catalonia, pacts for a break-up are made in a notarial deed (article 234-5 of its Civil Code). If in doubt about your case, ask a professional.
- Must a Spanish cohabitation agreement be signed before a notary?
- A private agreement between the partners binds both from signature (articles 1255 and 1278 of the Spanish Civil Code). Some communities require a notarial deed for certain pacts, such as those for a break-up in Catalonia, or to register them, and a deed also gives a date that counts against third parties. Sign two copies, one for each partner, and keep copies of both IDs with them.
How you can sign this document
- Print it and sign by hand. The signature lines in the document are left blank on purpose — sign on them in ink.
- Sign it yourself with a qualified electronic signature. If you already hold a QES — Evrotrust, B-Trust, StampIT, ZealiD or any qualified provider on the EU Trusted List, on a card, a USB token, in a mobile app or in the cloud — our signing guide explains step by step how to sign this exact file without invalidating it. Step-by-step help, and a way to check it worked
DocMuse sells documents, not legal advice. Acceptance always depends on the recipient's rules and your local law.
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