Score Tiers · Program Minimums · Rate Impact
What Credit Score Do You Need to Refinance Your Mortgage? Minimums by Program and How Score Affects Your Rate
The minimum credit score to refinance depends on your loan program: 580 for FHA, 620 for conventional, and no VA-set minimum for IRRRL. But the minimum is just the floor — your actual rate improves dramatically at 680, 720, and 740, where pricing adjustments drop off significantly.
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Program Minimums
- FHA Streamline: No minimum credit score from FHA, but most lenders require 580 to 620 through overlays
- FHA cash-out: 580 minimum for most lenders — some require 620+ for cash-out specifically
- Conventional: 620 minimum for rate-and-term refinance, 620 to 680 for cash-out depending on LTV
- Action: Check your current score before shopping — even 20 points can change your available programs and rate
VA Refinance
- IRRRL: No VA-set minimum credit score — lender overlays typically require 580 to 620
- VA cash-out: No VA minimum, but lender overlays commonly require 620 to 640
- Net tangible benefit: VA requires the IRRRL to provide a net tangible benefit — lower rate, lower payment, or conversion from ARM to fixed
- Action: VA borrowers with lower scores should shop specifically for VA lenders with minimal overlays
Score Tiers and Rates
- 580 to 619: FHA only — rates 0.75% to 1.5% higher than 740+ borrowers on the same product
- 620 to 679: Conventional available but with significant LLPAs — FHA may offer a better rate at this tier
- 680 to 739: Conventional LLPAs decrease meaningfully — this is where conventional starts winning on total cost
- Action: If your score is within 20 points of a tier boundary, consider improving it before applying to lock a better rate
Rate Savings by Score
- 620 vs 740: The rate difference can reach 0.50% to 1.25% on a conventional refinance due to LLPA pricing
- Monthly impact: On a $300,000 loan, a 0.75% rate difference is approximately $150 per month or $54,000 over 30 years
- Break-even: Improving your score by 40 points before refinancing can pay for itself in 2 to 4 months of lower payments
- Action: Get rate quotes at your current score AND at 20 to 40 points higher to see if waiting a few months to improve is worth it
Frequently Asked Questions
Can you refinance with a 580 credit score?
Does refinancing hurt your credit score?
Should I wait to refinance until my score improves?
The Bottom Line Up Front
You can refinance with a 580 credit score through FHA, but you should not if you can wait 2 to 3 months and improve to 680 or above. Every 20-point increment above 620 reduces your rate through lower loan-level price adjustments, and the cumulative savings over 30 years can reach tens of thousands of dollars.
The credit score conversation for refinancing is really two questions. First: can I qualify? Second: should I qualify now or wait? The minimum score gets you in the door, but the pricing tiers determine what you actually pay. A borrower refinancing at 620 on a conventional loan pays significantly more in rate adjustments than the same borrower at 740 — often 0.75% to 1.25% more in rate, which translates to $100 to $200 more per month on a $300,000 loan. Understanding where the pricing breakpoints are lets you make an informed decision about whether to refinance now or spend a few months optimizing your score first.
- FHA refinance minimum: 580 for most lenders (FHA has no official floor) — FHA Streamline may not even require a credit check if your payment history is clean
- Conventional refinance minimum: 620 for rate-and-term, with significant LLPAs at scores below 740 — the real cost difference between 620 and 740 can exceed $50,000 over the loan term
- VA IRRRL: no VA-set minimum — designed to be the easiest refinance available, with lender overlays commonly at 580 to 620
- The pricing sweet spot for conventional refinance is 740 and above — at this level, LLPAs are minimal and you get the best available rate for your LTV
What Are the Minimum Credit Scores by Refinance Program?
Each program has a different floor, and lender overlays add another layer on top. Knowing both the program minimum and typical overlay requirement helps you target the right lender.
| Refinance Type | Program Minimum | Typical Lender Overlay | Best Rate Available At |
|---|---|---|---|
| FHA Streamline | None (FHA) | 580 to 620 | 680+ (lower MIP impact) |
| FHA Rate-and-Term | 500 (580 for 96.5% LTV) | 580 to 620 | 680+ |
| FHA Cash-Out | 500 (580 typical) | 580 to 640 | 680+ |
| Conventional Rate-and-Term | 620 | 620 to 660 | 740+ |
| Conventional Cash-Out | 620 | 640 to 680 | 740+ |
| VA IRRRL | None (VA) | 580 to 620 | 680+ |
| VA Cash-Out | None (VA) | 620 to 640 | 700+ |
Deal Saver
If your score is between 620 and 679 and you are considering a conventional refinance, get an FHA quote as well. FHA does not use risk-based pricing (LLPAs) the way Fannie Mae and Freddie Mac do, which means FHA rates are more consistent across score ranges. At scores below 680, FHA rates are often 0.25% to 0.50% lower than conventional rates even though FHA carries MIP.
How Does Your Credit Score Affect Your Refinance Rate?
On conventional refinances, Fannie Mae and Freddie Mac apply loan-level price adjustments (LLPAs) based on your credit score and LTV. These adjustments are added to your base rate and can make the difference between a competitive refinance and one that barely saves you money.
LLPAs are tiered, and the biggest jumps happen at specific score thresholds. Going from 679 to 680 reduces your LLPA. Going from 719 to 720 reduces it further. And 740 is where the adjustments flatten out — borrowers at 740 and above all pay roughly the same LLPA for a given LTV. Below 680, the adjustments stack up quickly and can add 0.75% to 2.0% to your rate.
- Score 620 to 639 at 80% LTV: LLPA of approximately 2.25% — this translates to roughly 0.75% higher rate versus a 740+ borrower at the same LTV
- Score 640 to 659 at 80% LTV: LLPA drops to approximately 1.75% — a meaningful improvement but still significantly more expensive than 700+
- Score 660 to 679 at 80% LTV: LLPA of approximately 1.25% — this is where conventional starts becoming competitive with FHA on total cost
- Score 680 to 699 at 80% LTV: LLPA of approximately 0.75% — solid pricing that makes conventional refinancing clearly worthwhile
- Score 700 to 739 at 80% LTV: LLPA of approximately 0.50% — approaching best-available pricing
- Score 740+ at 80% LTV: LLPA of approximately 0.25% to 0.375% — the best pricing tier for conventional refinances
Should You Improve Your Score Before Refinancing?
If you are within 20 to 40 points of a major pricing tier (680, 720, 740), spending 1 to 3 months on credit optimization before applying can save you more money than refinancing immediately at a higher rate.
- Pay down credit card balances to below 30% utilization on each card — this is the fastest way to move your score and can add 20 to 50 points in a single billing cycle
- Pay down to below 10% utilization for maximum score impact — FICO scoring responds most dramatically to utilization changes at the 30%, 10%, and 1% thresholds
- Do not open new credit accounts in the 60 days before your refinance application — new accounts lower your average age and add a hard inquiry
- Check for errors on all three bureau reports and dispute inaccurate negative items — removing one incorrect late payment can add 40 to 100 points
- If you are 15 to 20 points below 740, the potential savings of 0.25% to 0.50% on your rate over 30 years can exceed $20,000 — that is worth waiting 2 to 3 months to optimize
Approval Watchpoint
Ask your loan officer for a credit simulation before applying. Many lenders can model what your score would be after paying down specific balances or after a specific account update. This lets you make targeted changes with the highest score impact rather than guessing which action will move the needle most.
The Bottom Line
You can refinance with a credit score as low as 580 through FHA. But the question is not whether you can — it is whether you should. Every 20-point improvement in your score reduces your rate, and the savings compound over the life of the loan. If you are within striking distance of 680 or 740, invest the time to optimize before you apply.
Get quotes at your current score to establish your baseline. Then calculate what the rate would be at 20 and 40 points higher. If the savings justify a 2 to 3-month delay, focus on utilization reduction and error correction to push your score across the next pricing tier. The rate improvement will pay for itself within months and save you thousands over the life of the refinanced loan.
Frequently Asked Questions
Does my current lender use the same credit score requirements for a refinance?
Your current lender applies the same program guidelines and overlays as any other lender. However, some lenders offer retention refinances with slightly relaxed requirements to keep your business. Ask your current servicer about streamlined refinance options before shopping elsewhere.
Can I refinance from FHA to conventional with a 620 score?
Yes, 620 is the conventional minimum. However, at 620 the LLPAs are substantial and your conventional rate may not be lower than your current FHA rate plus MIP. The FHA-to-conventional refinance typically makes financial sense at 680+ when LLPA costs are lower and you eliminate the permanent FHA MIP.
Does the FHA Streamline refinance require a credit check?
FHA does not require a credit qualifying Streamline to include a credit check if your payment history is clean. However, most lenders pull credit anyway as part of their internal underwriting process. The credit check on a Streamline is typically used for pricing, not qualification.
How many points can I gain by paying down credit cards?
Reducing utilization from 80% to 30% can add 30 to 60 points. Going from 30% to 10% can add another 15 to 30 points. The impact varies based on your overall credit profile, but utilization changes are the fastest and most predictable way to move your FICO score for a refinance.
Does a USDA Streamline require a credit score?
USDA Streamline-Assist refinance does not require a minimum credit score or a credit report. The loan must be current with 12 months of on-time payment history. This is the most accessible streamline product for borrowers with lower credit scores.
Will my refinance rate be the same as purchase rates?
Refinance rates are typically 0.125% to 0.25% higher than purchase rates for the same credit score and LTV. This is because Fannie Mae and Freddie Mac apply a refinance-specific LLPA on top of the standard credit and LTV adjustments. Cash-out refinance rates carry additional pricing adjustments beyond rate-and-term.
Can I use a co-borrower to improve my refinance rate?
Adding a co-borrower does not help your rate if they have a lower credit score. Lenders use the lower of the two borrowers’ middle scores for qualification and pricing. A co-borrower with a higher score than yours does not benefit your pricing — only the lower score is used.
How often can I refinance my mortgage?
There is no limit on how often you can refinance, but most programs have seasoning requirements. FHA Streamline requires 210 days and 6 payments. Conventional typically requires 6 months of ownership. VA IRRRL requires 210 days. The practical limit is whether the savings justify the closing costs each time.