Homeownership with your partner, simplified.
Co-ownerOS™ is an app for unmarried couples to manage homeownership. Protect and grow, together.










Homeownership is tough for unmarried couples.
With Co-ownerOS™, it's easy.
We’ve spent 46,500+ hours and helped hundreds of unmarried couples navigate co-ownership to bring you Co-ownerOS™.
Streamline decision-making
Tackle big decisions—and little ones, too—with expert guidance at every step. Co-ownerOS™ makes it easy to discuss and get on the same page about finances, ownership interests, rights and responsibilities, risk-handling, and more.
No guesswork, no uncomfortable chats.


Create customized agreements
You love each other, but that's not a legal framework. Co-ownerOS™ helps you get everything in writing to clarify mutually-agreed terms and protect one another.
Create your Co-ownership Agreement
Generate a Memorandum of Agreement
Digitally sign to execute from anywhere
Update anytime with a few taps
Plan for the future
Things change. It's not just a breakup you have to think about. Define your exit strategy to ensure a smooth transition for the eventual sale, transfer, or unwind of your co-ownership arrangement.


Manage paperwork, like a boss
Keep track of all your important files, records, and receipts related to co-ownership in one place. Your secure document vault provides easy access, sharing, and version control.
Blockchain authentication from both partners keeps things transparent and ensures your docs are always there when you need them.
Don't wing it.
Wing it | Attorney-drafted | Co-ownerOS™ Pass May 20-27 only | |
---|---|---|---|
Cost | TBD | $7k-$10k+ * | Lifetime from $1,199 Annual from $399 |
Risk level | High | High | Low |
Planning | None | Low | Guided |
Protection | None | Low | Strong |
Guidance | None | None | Ongoing |
Support | None | None | Ongoing |
💪 No guesswork, more upside.
Save $10k on upfront legal fees
Save 120 hours a year on admin
Avoid conflict, court, and probate
FAQs
Your questions, answered.
Co-ownership is when two or more people who are not married to one another own a home together.
Friends, family members, couples—or any combination—can own a home together.
Co-ownership is sometimes called shared homeownership or joint homeownership.
Co-ownerOS™ is an app to help you plan, structure, and manage co-ownership together efficiently and effectively.
With Co-ownerOS™, you’re able to manage co-ownership like a pro:
🤝 Streamline decisions
💸 Plan finances, expenses, payments
📝 Create a Co-ownership Agreement in 45 minutes
✍️ Digitally sign from anywhere
🔐 Manage key documents
🚪 Define an exit strategy
🪄 Update anytime
Co-ownerOS™ puts you in control over the full co-ownership lifecycle.
• Avoid guesswork and conflict
• Save $1,000s on legal fees
• Save 120 hours a year on admin
• Protect relationships, investments, and the home
Why wing it when you can de-risk, protect, and build wealth?
Co-ownerOS™ serves both Co-buyers and Co-owners:
✅ Co-buyers planning to purchase a home together.
✅ Co-owners who already share a property.
It works for relationship types including:
• Friends
• Relatives
• Unmarried partners
• Any combined group
We support groups of up to four people on Title to a U.S. residential property.
We're working on expanding access for more use cases.
Great—Co-ownerOS™ is built for Co-buyers too:
• Align budgets, contributions, and risk safeguards before you make an offer.
• Co-create terms and generate your agreement in minutes, ready for digital signatures at closing.
• Stay on one platform from first brainstorm through exit strategy—no hopping between apps.
Ready to start?
See our Pricing page.
Want a primer first? Explore our free course: How to CoBuy a Home with Friends, Family, or Your Partner.
Our co-owners say it best

Starla, Robert
Unmarried Couple Co-owners

Candace, Gabriel
Unmarried Couple Co-owners

Having a step-by-step process helps, especially with the nitty gritty. It makes things feel feasible and reasonable.
Now it’s like ‘if that happens, we've already got this plan in place’.
I would absolutely recommend CoBuy!"
Genya, partner, family
Unmarried Couple + Family Co-owners
✨ Reserve Your Pass
Limited‑time campaign. 200 passes only — May 20 – 27.