Get Expert Financing
- Matched with investor-friendly lenders
- Fast pre-approvals-no W2s required
- Financing options fro rentals, BRRRR, STRs
- Scale your portfolio with confidence
Conventional loans remain one of the most popular mortgage options for homebuyers across the U.S. However, one of the most decisive factors in determining your interest rate—and overall loan affordability—is your credit score. Understanding how your credit rating affects conventional loan rates can help you secure more favorable terms and potentially save tens of thousands over the life of your loan.
Your credit score plays a central role in how lenders assess your financial reliability. It affects not just whether you qualify for a loan, but also what interest rate you’re offered. Here’s how:
Conventional mortgage rates are structured in tiers based on credit score ranges. The most common tiers used by lenders are:
A borrower with a score of 780 may be offered an interest rate of 6.25%, while someone with a 640 score might get 7.75%—a significant cost difference over a 30-year loan.
Fannie Mae and Freddie Mac impose pricing adjustments based on risk factors, especially credit scores. These LLPAs increase as scores decrease and can also be influenced by:
Even a minor change in interest rate due to credit score can lead to a significant difference in monthly payments. For example:
Credit Score | Rate (%) | Monthly Payment (30-yr, $300k) |
760+ | 6.25 | $1,847 |
660 | 7.50 | $2,098 |
620 | 8.00 | $2,201 |
Over time, this means a difference of over $100,000 in interest payments.
Improving your credit score even slightly can open the door to much better loan rates. Here are steps you can take:
Need help understanding your credit report? Learn how to read your credit report and improve it.
Most conventional lenders require a minimum score of 620, although you’ll likely face higher interest rates and stricter requirements.
It’s possible with a 620 score, but you may be better off exploring FHA loans, which are more forgiving of lower credit scores.
Depending on your situation, you could see improvements within 3–6 months by addressing high balances and resolving errors.
If you found this article helpful, explore these next:
Understanding the role your credit score plays in conventional loan rates is crucial in today’s housing market. A few strategic moves can significantly improve your credit profile, save you money, and unlock better financing options. Don’t leave it to chance—start optimizing your credit now and secure your financial future.
Our advice is based on experience in the mortgage industry and we are dedicated to helping you achieve your goal of owning a home. We may receive compensation from partner banks when you view mortgage rates listed on our website.