How Credit Scores Impact Your Mortgage Approval

Marilyn Archer • July 1, 2025

A man and a woman are sitting at a table looking at papers.

When it comes to buying a home, your credit score plays a pivotal role in determining your mortgage approval. Lenders use this score to assess your reliability as a borrower, which affects not only whether you qualify for a loan but also the interest rate and terms you receive. Understanding how your credit score impacts your mortgage approval is essential for preparing effectively and maximizing your financial opportunities.


Why Credit Scores Matter for Mortgage Approval

Your credit score gives lenders a snapshot of your financial habits and risk level. It’s one of the key factors used to decide whether to approve your mortgage application.


What Lenders Evaluate:


 1. Payment History:

  • A history of on-time payments shows reliability.
  • Late payments or defaults can significantly lower your score.


 2. Credit Utilization:

  • The percentage of your available credit in use.
  • Keeping utilization under 30% helps your score.


 3. Credit Mix:

  • A combination of credit types (e.g., credit cards, car loans, student loans) demonstrates financial diversity.


4. Length of Credit History:

  • Longer credit histories are generally better, as they provide more data on your financial habits.

Credit Score Ranges and Their Impact

Your credit score falls into one of several ranges, each affecting your mortgage options differently.

Credit Score Ranges:

  • 740 and Above (Excellent):
  • Access to the lowest interest rates and most favorable loan terms.
  • 700–739 (Good):
  • Competitive rates but slightly higher than those for excellent scores.
  • 620–699 (Fair):
  • Qualifies for most loans but with higher interest rates.
  • Below 620 (Poor):
  • Limited loan options; high-interest rates and stricter conditions.

Example of Interest Rate Impact:

  • On a $300,000 loan:
  • A 740+ score might secure a 5% rate, costing $1,610/month.
  • A 620 score might lead to a 6.5% rate, costing $1,896/month.
  • The difference could cost tens of thousands of dollars over the life of the loan.



Strategies to Improve Your Credit Score for Better Mortgage Approval

 1. Pay Bills on Time:

  • Payment history accounts for 35% of your credit score.
  • Automate payments to avoid missing due dates.

  2. Reduce Credit Utilization:

  • Aim to use less than 30% of your available credit limit.
  • Pay down balances on high-interest cards first.

  3. Dispute Errors on Your Credit Report:

  • Check your credit report annually for inaccuracies.
  • File disputes for incorrect accounts or payments.

  4. Avoid New Credit Inquiries:

  • Refrain from opening new accounts or applying for credit cards during the homebuying process.

  5. Build a Long-Term Credit History:

  • Keep older accounts open to maintain the average age of your credit

Common Credit Mistakes to Avoid Before Buying a Home

1. Opening New Lines of Credit:

  • New accounts lower your average credit age and increase inquiries.

2. Maxing Out Credit Cards:

  • High utilization signals financial strain to lenders.

3. Ignoring Credit Reports:

  • Undetected errors can harm your score, delaying your mortgage process.

How Credit Scores Affect Loan Types

Different mortgage programs have varying credit score requirements.


1. Conventional Loans: 

  • Typically require a score of 620 or higher.

2. FHA Loans: 

  • Minimum score: 580 for a 3.5% down payment; 500–579 requires 10%.

3. VA Loans: 

  • No specific minimum, but most lenders prefer 620+.

4. USDA Loans: 

  • Generally require a score of 640 or higher.

πŸ”‘Recap

Improving your credit score is one of the most impactful ways to increase your mortgage approval odds and secure favorable loan terms. By understanding how lenders evaluate your credit and taking proactive steps to improve it, you can position yourself for a smoother, more affordable homebuying experience.

Interconnected Blog Articles

To deepen your understanding of credit and mortgages, explore these related topics:

  1. πŸ‘‰ Improving Your Credit Score for Homebuying: A Step-by-Step Guide: Practical steps to boost your score for mortgage readiness.
  2. πŸ‘‰ Managing Debt for a Better Mortgage Rate: Insights on reducing debt and optimizing your loan options.
  3. πŸ‘‰ Breaking Down the Costs of Homeownership: The Upfront Costs: Learn about the full scope of upfront costs, including how credit impacts affordability.