The mortgage preapproval process requires thorough information. The lender will want to see proof of your income and debts.
Here is a list of documents that you typically have to provide lenders to for mortgage loan preapproval:
Pay Stubs
2 Years Of W-2 Tax Returns
Bank Statements
Any Loan Information (Cars, Credit Cards, Student Loans, Personal Loans)
If You Co-Signed For Someone On A Loan
Information About Other Mortgages (if applicable)
Credit Report
Funds Available For Down Payment
And Other Pertinent Financial Information