How do I improve my chances of mortgage approval?

Mortgage lenders evaluate every application against the same core factors: credit score, debt-to-income ratio, employment and income history, down payment size, and the property's appraised value. The CFPB's mortgage-shopping guide explains that improving on even one of these factors meaningfully improves your approval odds — and often your rate. Improving on two or three can be the difference between approval and denial.

Step 1: Raise your credit score

Most conventional loans require a minimum 620 FICO score; FHA loans accept 580 with 3.5% down (or 500 with 10% down per HUD guidelines). But approval isn't the only goal — a 740+ score typically unlocks the lowest rate tier. To raise your score before applying: pay down revolving balances below 30% utilization, dispute any errors on your credit reports at AnnualCreditReport.com, and avoid opening new credit accounts in the 6–12 months before your mortgage application.

Step 2: Lower your debt-to-income (DTI) ratio

Your DTI is your total monthly debt payments divided by your gross monthly income. Most conventional lenders cap DTI at 43–45%; Fannie Mae's standard max is 45% for most loan products. FHA allows up to 57% with compensating factors. To lower your DTI, pay off installment debts (car loan, student loan) or revolving balances before applying. Each debt you eliminate improves your DTI — and may allow you to qualify for a larger loan amount or a better rate. Learn more at what is debt-to-income ratio.

Step 3: Document two years of stable employment and income

Lenders want to see at least two years of continuous employment in the same field, verified through W-2s, tax returns, and recent pay stubs. Job changes within the same industry typically don't hurt — but a career change, gap in employment, or switch to self-employment shortly before applying can complicate the file. Self-employed borrowers need two years of tax returns showing stable or growing income; lenders typically average the two years. The CFPB's homebuying guide covers documentation lenders expect.

Step 4: Save a larger down payment

A larger down payment reduces the lender's risk — which can improve approval odds and rate. Conventional loans require 3–20% down; FHA requires 3.5% with a 580+ score. Putting 20% down eliminates private mortgage insurance (PMI), reducing your monthly payment by $100–$200+ per month on a typical loan. First-time buyers may qualify for state and local down payment assistance programs — search the HUD-approved housing counselor locator to find programs in your area.

Step 5: Get pre-approved before shopping

Pre-approval is not a guarantee, but it tells you the maximum loan amount you're likely to qualify for based on a full credit pull and income review — before you're under contract on a home. This prevents wasted time and the disappointment of falling in love with a home that's out of range. Sellers take pre-approved offers more seriously.

Step 6: Don't make large financial moves before closing

• Don't open new credit accounts or take on new debt after applying — lenders re-verify credit before closing.
• Don't change jobs between application and closing without notifying your loan officer immediately.
• Don't make large unexplained deposits into your bank account — lenders must document the source of funds.
• Keep gift funds properly documented with a gift letter if family members contribute to your down payment.

Why Step 2 (DTI) does more work than any other single fix

This isn't just underwriting theory — it's what the denial data actually shows. Researchers at the Federal Reserve Bank of St. Louis analyzed more than 30 million home-purchase mortgage applications reported through HMDA (the Home Mortgage Disclosure Act dataset CFPB publishes annually) from 2018–2024 and found denial rates jump by 15–17 percentage points once a borrower's DTI crosses the 50% mark — the sharpest single threshold in the study, even though the 43% qualified-mortgage DTI line doesn't functionally constrain lending on its own. The same research found DTI's bite isn't constant over time: during the Fed's 2022–2023 monetary-tightening cycle, the DTI channel alone pushed the aggregate denial rate from 12.2% to 15.7%. The practical takeaway: getting your DTI under 50% isn't a marginal improvement — crossing that line is one of the single highest-leverage moves on this list.