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How to Improve Your Credit Score for a Mortgage

Updated February 2026 10 min read

Your credit score is one of the biggest factors in your mortgage rate. A 100-point difference can mean tens of thousands of dollars over the life of your loan. Here's how to optimize your score before applying.

Why Credit Score Matters for Mortgages

Score Range Typical Rate Monthly Payment* Total Interest
760-8506.25%$1,847$364,920
700-7596.50%$1,896$382,560
680-6996.75%$1,946$400,560
660-6797.00%$1,996$418,560
620-6397.50%$2,098$455,280

*Based on $300,000 loan, 30-year term. Rates are illustrative.

5 Factors That Affect Your Score

Payment History

35%

Most important factor. Always pay on time.

Credit Utilization

30%

Keep credit card balances below 30% of limits.

Credit History Length

15%

Older accounts help. Don't close old cards.

Credit Mix

10%

Variety of credit types (cards, loans) helps.

New Credit

10%

Too many new accounts can hurt.

Action Steps to Improve Your Score

1

Check Your Credit Reports

Get free reports at AnnualCreditReport.com. Look for errors and dispute any mistakes.

2

Pay Down Credit Card Balances

Aim for under 10% utilization for best results. Pay down highest-utilization cards first.

3

Pay All Bills On Time

Set up autopay for minimum payments. Even one late payment can drop your score 50-100 points.

4

Don't Open New Accounts

Avoid new credit applications 6-12 months before applying for a mortgage.

5

Don't Close Old Accounts

Closing cards reduces your total credit limit and average account age.

6

Become an Authorized User

If possible, get added to a family member's old card with good history.

Timeline for Improvement

1-2 mo

Fix errors on credit report, pay down balances

3-6 mo

See improvement from lower utilization, on-time payments

6-12 mo

Significant improvement possible, apply for mortgage

Calculate your potential savings with a better rate

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