Homeownership with family, simplified
Co-ownerOS™ is an app to manage joint homeownership with relatives. Build wealth and protect—together.
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Owning a home with relatives is complex.
With Co-ownerOS™, it's easy.
We’ve spent 41,500+ hours and helped hundreds of family members 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 family feuds.

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Create customized agreements
Family trust is invaluable, but it’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
As relatives, it’s essential to prepare for when things change. Define your exit strategy to ensure a smooth transition for the eventual sale, transfer, or unwind of your co-ownership arrangement.
Build intergenerational wealth, and keep it in the family.

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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 each co-owner keeps things transparent and ensures your docs are always there when you need them.
Don't wing it.
Wing it | Attorney drafted agreements | Co-ownerOS™ Beta | |
---|---|---|---|
Cost | TBD | Up to $10k | $24/month/co-owner |
Risk level | High | High | Low |
Protection | None | Low | Strong |
Guidance | None | Minimal | 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™ helps folks who own a home together:
• Friends
• Relatives
• Unmarried couples
• Combined groups
We're currently setup for:
1. Folks who co-own a home in the US or are under contract on a home purchase.
2. Groups of up to four co-owners, excluding children, dependents, and anyone not on Title to the property.
We're working to expand our offering.
Co-ownerOS™ subscription pricing:
$30 $24 / user / month, paid yearly
= 20% off full price for Beta Batch #2*
Less than $1 a day to protect your home, relationships, and investment.
* Limited offer. First-come, first-served. Check out Pricing.
A Beta is when our app is opened up for more people to try. During this phase, we invite a broader group to use the web app, provide feedback, and help guide product development.
Co-ownerOS™ Beta is live! Join the waitlist here.
Co-ownerOS™ is a dynamic tool to support you in managing co-ownership over time.
It helps you navigate decisions, plan finances, keep agreements up-to-date, manage documentation, and handle changes with ease.
If you decide not to renew your subscription, you’ll lose access to Co-ownerOS™, but:
• You can download, share, and print all versions of your Co-ownership Agreement and Memorandum of Agreement anytime during your subscription.
• You can request an export of all documents, files, records, and receipts stored in your Document Vault.
Your data is yours!
Of course, we hope you’ll find that Co-ownerOS™ continues to provide value for your co-ownership journey.
We created a course just for you: How to CoBuy a Home with Friends, Family, or Your Partner.
Our co-owners say it best
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Torie, Robin, Bryan
Unmarried Couple & Father Co-owners
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Sally, Kate
Mother & Daughter Co-owners
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CoBuy has helped us smartly consider our options in joint ownership. We have peace of mind knowing we’ve covered all our bases and have contingency plans for all the what-ifs life can throw your way.
Highly recommend!"
Christina, Edwina, Jason
Married Couple & Mother Co-owners
✨ Get early access
Join Co-ownerOS™ Beta Batch #2 to lock in benefits and a lifetime discount.
Direct access to our team + 1:1 support
20% discount off annual subscription
Input on new features and development