How Your Credit Score Affects Your Mortgage
Understanding the connection between your credit score, mortgage approval, and the interest rate you'll pay
In this guide:
Credit Score Ranges and What They Mean for Mortgages
Your credit score is one of the most important factors lenders evaluate when you apply for a mortgage. It signals to lenders how reliably you've managed debt in the past, which helps them assess the risk of lending to you. Here's how different credit score ranges typically affect your mortgage options:
Excellent
Borrowers with scores of 760 and above qualify for the best available mortgage rates. You'll have access to the widest selection of loan products and the most favorable terms. Lenders view you as very low risk, which translates directly into lower monthly payments and significant savings over the life of your loan.
Good
A score in this range still qualifies you for competitive mortgage rates, though they may be slightly higher than the best available. You'll have access to most loan products and should have no trouble getting approved with solid terms. The rate difference compared to excellent credit is typically modest.
Fair
Borrowers in this range will face higher interest rates, but still have many options available. You can qualify for conventional loans, FHA loans, and other programs. Lenders may scrutinize other aspects of your application more closely, such as your debt-to-income ratio and down payment size.
Below Average
A score of 620 is the minimum for most conventional loans, so options become more limited in this range. You'll likely face noticeably higher rates and may need a larger down payment. Mortgage insurance costs may also be higher.
FHA Eligible
While conventional loans are generally out of reach at this level, FHA loans remain an option with a minimum score of 580 for the 3.5% down payment program. Rates will be higher, and you'll pay mortgage insurance premiums, but homeownership is still achievable.
Very Limited Options
Scores below 580 make mortgage approval very challenging. FHA loans may still be possible with a 10% down payment for scores between 500 and 579, but options are extremely limited. Alternative programs, manual underwriting, or taking time to rebuild your credit may be the best path forward.
How Your Credit Score Affects Your Interest Rate
The relationship between your credit score and your mortgage interest rate is direct and significant. Even a seemingly small difference in your rate can have an enormous financial impact over the life of a 30-year mortgage.
The Real Cost of a Lower Credit Score
Consider a $300,000, 30-year fixed-rate mortgage. The difference in total interest paid based on your credit score can be staggering:
- Excellent credit (760+): A rate of 6.0% means a monthly payment of approximately $1,799 and total interest of about $347,515
- Good credit (700-759): A rate of 6.25% means a monthly payment of approximately $1,847 and total interest of about $364,813
- Fair credit (660-699): A rate of 6.75% means a monthly payment of approximately $1,946 and total interest of about $400,452
- Below average credit (620-659): A rate of 7.25% means a monthly payment of approximately $2,048 and total interest of about $437,181
In this example, the difference between excellent credit and below average credit is approximately $249 per month and nearly $90,000 in total interest over the life of the loan. That is the real, tangible cost of a lower credit score.
This is why taking time to improve your credit before applying for a mortgage can be one of the most valuable financial decisions you make. Even moving up one credit tier can save you tens of thousands of dollars.
Tips to Improve Your Credit Score Before Applying
If your credit score is not where you want it to be, there are concrete steps you can take to improve it before applying for a mortgage. Ideally, start working on your credit at least 3 to 6 months before you plan to apply.
Pay Down Credit Card Balances
Credit utilization (the percentage of your available credit you're using) is one of the biggest factors in your score. Aim to keep your utilization below 30%, and ideally below 10%, on each card. Paying down balances is often the fastest way to boost your score, with improvements visible within one to two billing cycles.
Do Not Open New Credit Accounts
Each new credit application triggers a hard inquiry on your credit report, which can temporarily lower your score. New accounts also reduce your average account age. In the months leading up to a mortgage application, avoid opening new credit cards, auto loans, or other lines of credit.
Check Your Credit Reports for Errors
Errors on credit reports are more common than most people realize. Request your free annual reports from all three bureaus (Equifax, Experian, and TransUnion) at AnnualCreditReport.com. Look for incorrect late payments, accounts that are not yours, or wrong balances. Dispute any errors you find, as correcting them can lead to meaningful score increases.
Make All Payments on Time
Payment history is the single most important factor in your credit score, accounting for about 35% of your FICO score. Set up autopay or payment reminders to ensure you never miss a due date. Even one late payment can cause a significant score drop.
Become an Authorized User
If a family member has a credit card with a long history of on-time payments and low utilization, ask to be added as an authorized user. Their positive account history can appear on your credit report and help boost your score. You do not need to actually use the card for this strategy to work.
Keep Old Accounts Open
The length of your credit history matters. Even if you no longer use an old credit card, keeping it open helps maintain a longer average account age and increases your total available credit, which lowers your utilization ratio. Avoid closing old accounts before applying for a mortgage.
Limit Hard Inquiries
Beyond avoiding new credit accounts, be mindful that certain applications (such as for utilities or rental agreements) may also trigger hard inquiries. Ask whether a soft or hard pull will be performed before authorizing a credit check.
How Long Does It Take?
The timeline for credit improvement depends on your starting point. Paying down credit card balances can show results in 30 to 60 days. Correcting credit report errors typically takes 30 to 45 days. Recovering from more serious issues like late payments or collections takes longer, often 6 to 12 months of consistent positive behavior. The earlier you start, the better positioned you'll be when it's time to apply.
Minimum Credit Scores by Loan Type
Different mortgage programs have different credit score requirements. Understanding these minimums can help you determine which loan types you may qualify for and where to focus your efforts if your score needs improvement.
Conventional Loans
Conventional loans are not backed by the government and typically require a minimum credit score of 620. However, to get the best rates and avoid higher private mortgage insurance premiums, a score of 740 or above is recommended. A down payment of at least 20% will eliminate PMI entirely.
FHA Loans
FHA loans are backed by the Federal Housing Administration and are designed for borrowers with lower credit scores. A score of 580 qualifies you for the minimum 3.5% down payment. Scores between 500 and 579 may still qualify but require a 10% down payment. FHA loans require both upfront and annual mortgage insurance premiums.
VA Loans
VA loans, available to eligible veterans, active-duty service members, and surviving spouses, have no official minimum credit score set by the Department of Veterans Affairs. However, most lenders require a score of at least 620. VA loans offer exceptional benefits including no down payment, no PMI, and competitive interest rates.
USDA Loans
USDA loans are designed for eligible rural and suburban homebuyers and offer zero down payment options. The standard minimum credit score is 640 for streamlined processing. Borrowers with scores below 640 may still qualify through manual underwriting, which involves a more thorough review of the overall financial picture.
Frequently Asked Questions
What credit score do I need to buy a house?
The minimum credit score depends on the loan type. Conventional loans typically require a 620 minimum, FHA loans require 580 for the 3.5% down payment option, VA loans have no official minimum but most lenders prefer 620, and USDA loans generally require 640. Higher scores will qualify you for better interest rates and more favorable terms.
How much does my credit score affect my mortgage interest rate?
Your credit score can significantly impact your interest rate. The difference between an excellent score (760+) and a fair score (660) could mean a rate difference of 0.5% to 1% or more. On a $300,000 30-year mortgage, even a 0.5% rate difference can cost over $30,000 in additional interest over the life of the loan.
How long does it take to improve my credit score before applying for a mortgage?
Most credit improvement strategies take 3 to 6 months to show meaningful results. Paying down credit card balances can improve your score within 1 to 2 billing cycles. Correcting errors on your credit report can take 30 to 45 days. For more significant improvements, such as recovering from late payments, plan for 6 to 12 months of consistent positive credit behavior.
Will checking my credit score hurt my chances of getting a mortgage?
Checking your own credit score is a soft inquiry and does not affect your score at all. When a lender checks your credit as part of a mortgage application, it is a hard inquiry and may cause a small, temporary dip. However, multiple mortgage-related inquiries within a 14 to 45 day window are typically treated as a single inquiry by scoring models, so shopping around for the best rate is encouraged.
Not Sure Where Your Credit Stands?
Our mortgage advisors can help you understand your credit profile and explore the loan options available to you. Whether your score is excellent or needs some work, we'll guide you toward the best path to homeownership.