A co-borrower is an additional person who applies for and shares equal responsibility for a loan.
Both borrowers:
Co-borrowers are common in mortgage and auto loan applications.
Having a co-borrower can:
However, both parties remain fully liable for repayment.
If one borrower defaults, the other remains legally responsible.
Both sign the promissory note.
Co-Borrower → Equal access and responsibility
Cosigner → Guarantees repayment without ownership or access
Role distinction affects liability.
Does a co-borrower need to live in the home?
Not always, but occupancy rules vary by loan type.
Can a co-borrower remove themselves later?
Removal typically requires refinancing.
Does late payment affect both parties?
Yes, credit impact applies to all listed borrowers.