Getting pre-approved for a mortgage in Massachusetts is essential for homebuyers, as it establishes a budget and signals seriousness to sellers. The process involves contacting a lender, providing financial documentation, and receiving a pre-approval letter, which is more substantial than pre-qualification. Key steps include checking your credit score, calculating your debt-to-income ratio, and comparing lenders. A pre-approval letter enhances your position in negotiations and allows you to explore various mortgage options, although it is not a final loan approval.