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The Mortgage Expert
Down Payment

How does conventional handle large deposits?

Short answer

Any deposit that's unusual relative to the borrower's documented income gets flagged for sourcing. Standard threshold: deposits over 50% of one month's gross income trigger documentation requirements. The deposit must be sourced (where it came from), and gift funds need a gift letter.

Plain-English explanation

What this actually means.

Lenders pull two months of bank statements and review every line. Large deposits without a clear source (a clearly named payroll deposit, an income transfer between the borrower's own accounts) need a paper trail: deposit slip, gift letter, sale-of-asset documentation, etc. Cash deposits are the hardest to source — sometimes they can't be used as down-payment funds at all, depending on lender overlays. Subject to Fannie/Freddie guidelines.

What can change the answer?

Where this can move.

Gift source, seller credit limits, DPA program rules, source-of-funds documentation, and program eligibility (HomeReady, Home Possible) 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.