Minimum Credit Score for Conventional Loan

Introduction

The minimum credit score for a conventional loan is typically 620 or higher. Fannie Mae and Freddie Mac—the government-sponsored enterprises (GSEs) that buy most conventional mortgages—allow 620 in many programs. That does not mean every lender will approve at 620; some set overlays requiring 640 or higher. Your score affects your interest rate, mortgage payment, and closing costs through risk-based pricing.

Under TRID (TILA-RESPA Integrated Disclosure), your lender provides a Loan Estimate within 3 business days of application. That form shows your estimated rate, payment, and costs based on the credit information they have. A 740+ score often qualifies for the best conventional pricing; scores below 700 may see higher rates. See Conventional Loan, Credit Score for Mortgage, and How Credit Score Affects Mortgage Rates.

What This Means

Meeting the minimum score is one hurdle—not the only one. Lenders also evaluate your DTI, LTV, income, and reserves. A 620 score with strong DTI and a 20% down payment may qualify; a 620 with high DTI and 3% down may not. Compensating factors can help when your score is at the lower end.

Your score does not change your loan amount directly, but it affects the rate you pay. A higher rate means a higher mortgage payment for the same loan amount. On conventional loans with less than 20% down, you typically pay PMI—and lower scores can mean higher PMI premiums. The TILA (Truth in Lending Act) requires clear disclosure of the cost of credit; your Loan Estimate and APR reflect that.

See What Is Mortgage Principal and What Is Amortization for how your payment is applied.

How It Works

When you apply, the lender pulls your credit report and scores from Equifax, Experian, and TransUnion. For a single applicant, they typically use the middle score. For joint applicants, they use the lower of the two middle scores. The lender then underwrites your application against Fannie Mae or Freddie Mac guidelines—or their own overlays.

Fannie and Freddie set minimum scores (often 620) for their programs. Individual lenders can add overlays—for example, requiring 640 for certain loan types or 660 for high-LTV loans. Your Loan Estimate shows the interest rate and closing costs for the offer you receive. If your score changes before you lock—or if the lender pulls a different score at closing—the terms could change. See What Is Interest Rate.

RESPA (Real Estate Settlement Procedures Act) governs settlement and closing. Your Loan Estimate and Closing Disclosure use consistent formats so you can compare offers. Shopping multiple lenders within a short window (e.g., 14–45 days) typically counts as one credit inquiry for rate-shopping purposes.

Realistic Example Scenario

Avery has a 635 credit score and is buying a $320,000 home with 10% down. The loan amount is $288,000. Avery receives a Loan Estimate with a 7.25% interest rate and PMI. The mortgage payment (principal, interest, PMI, taxes, insurance) is about $2,450. Avery's DTI is 42%—within typical limits.

If Avery had raised their score to 720 before applying, they might have qualified for 6.75%—a payment of about $2,280. The 85-point difference costs roughly $170 per month, or $61,200 over 30 years. Avery could also explore FHA, which may accept lower scores but has different requirements (e.g., mortgage insurance for the life of the loan in some cases). The example is illustrative; actual rates vary by lender and market.

The key takeaway: improving your score before applying can significantly reduce your mortgage payment and total cost. See FHA vs Conventional Loan for a comparison.

Why This Matters for Homebuyers

If your score is near 620, you may qualify for conventional financing—but at a higher rate than someone with 740+. Weigh the trade-off: waiting a few months to improve your score could save thousands over the life of the loan. If your score is below 620, you may need to focus on FHA, VA, or credit repair before applying for conventional.

Check your credit report early. Errors can drag down your score; disputing and correcting them takes time. Avoid big financial changes before applying—new debt, missed payments, or large purchases can hurt your score. Your mortgage payment affects your DTI; a higher rate means a higher payment, which can reduce the loan amount you qualify for. See How DTI Affects Mortgage Approval.

Pros and Cons of Conventional at Various Scores

Common Mistakes

• Not checking your credit before applying: Surprises during underwriting can delay or derail your application. Get your report and scores early.
• Assuming 620 means approval: Lenders can set overlays. DTI, LTV, and reserves also matter. A 620 with weak compensating factors may not qualify.
• Making big financial changes before closing: Avoid new debt, closing credit cards, or large purchases. These can affect your score and approval.
• Not shopping lenders: Different lenders may have different overlays and rates for the same score. Get multiple Loan Estimates and compare.
• Ignoring the cost of a lower score: A 50–100 point difference can add $100–$200 or more to your monthly mortgage payment. Plan for the impact.

Frequently Asked Questions

What is the minimum credit score for a conventional loan?

Fannie Mae and Freddie Mac allow 620 in many cases. Some programs (e.g., certain high-LTV or investment property loans) may require 640 or higher. Individual lenders can set overlays that raise the minimum above 620.

What score do I need for the best conventional rates?

740+ often qualifies for the best pricing. 720–739 is also strong. Below 720 you may see higher interest rates and closing costs. Your Loan Estimate shows the rate for your score.

Can I get a conventional loan with 620 credit?

Yes, in many cases. DTI, down payment, LTV, and reserves matter. Compensating factors like a larger down payment or lower DTI can help. Some programs have stricter requirements.

How does credit score affect PMI on conventional loans?

Lower scores may result in higher PMI premiums. Lenders use risk-based pricing for both the interest rate and mortgage insurance. A higher score can reduce your monthly mortgage payment.

Which credit score do lenders use for conventional loans?

Lenders typically use the middle of your three bureau scores (Equifax, Experian, TransUnion). For joint applicants, they use the lower of the two middle scores. Underwriting evaluates the score at application.

How does my score affect my Loan Estimate?

Under TRID, your Loan Estimate shows the interest rate, mortgage payment, and closing costs based on the credit information the lender has. A lower score can mean a higher rate and higher costs on the form.

Sources

• Consumer Financial Protection Bureau (CFPB) – Loan Estimate and Closing Disclosure (TRID)
• Consumer Financial Protection Bureau (CFPB) – Truth in Lending Act (TILA)
• Consumer Financial Protection Bureau (CFPB) – How credit scores affect your mortgage
• Fannie Mae – Selling Guide (credit score requirements)
• Freddie Mac – Single-Family Seller/Servicer Guide (credit requirements)