Good preparation is mostly about making your finances understandable. The exact document list depends on how you earn income, the loan program, and your lender. Ask for a written list tailored to you, and send sensitive documents only through a verified secure portal.
A complete, consistent file is more useful than a pile of unrequested documents.
Show where income comes from
Employees may need recent pay statements and W-2s. Self-employed borrowers may need tax returns, business records, and a current profit-and-loss statement. Retirement, rental, commission, and bonus income can require different histories. A lender must decide which income can be counted.
Make funds traceable
Keep complete statements, including pages that seem blank. Ask before moving large sums between accounts, using a cash gift, or depositing cash. Document the source of funds rather than trying to explain it at the closing table.
Keep the picture current
A preapproval is not a promise that every later change will be acceptable. Tell your loan officer about new debt, a job change, or a change in down-payment plans. Confirm the preapproval expiration and which conditions remain.
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CFPB: Exploring your loan choices ↗General education, not an approval or personalized recommendation. Loan terms and eligibility vary. Our editorial standards.