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The Mortgage Expert
Requirements

Can I have a co-borrower on a conventional loan?

Short answer

Yes. Conventional loans accept co-borrowers — typically a spouse, but non-spouse co-borrowers are also allowed. Each co-borrower's credit, income, and debts are evaluated. The lower middle FICO score across all borrowers is usually the qualifying score.

Plain-English explanation

What this actually means.

Conventional treats all co-borrowers equally for credit and income evaluation. Both incomes count; both sets of debts count. The 'lower middle FICO' rule applies — for each borrower, take the middle of the three credit bureau scores; then for the file, use the lower of those middle scores. Non-occupant co-borrowers are allowed in many cases but may trigger pricing adjustments. Subject to Fannie/Freddie guidelines.

What can change the answer?

Where this can move.

Credit, income type and stability, debt ratio, reserves, automated underwriting findings, and lender overlays can change the answer.

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Educational only. Conventional loan guidelines, lender overlays, rates, fees, PMI, LLPAs, and underwriting requirements can change. Final eligibility depends on full underwriting review. Mortgage Expert, Inc. is not affiliated with Fannie Mae, Freddie Mac, FHFA, or any government agency.