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Mortgage Rates in Charleston SC — What Buyers Need to Know in 2026
If you’re buying a home in the Charleston, SC area — whether in Summerville, Mount Pleasant, North Charleston, or Downtown — your mortgage rate is one of the most important numbers in your deal. Even a 0.25% difference can change your monthly payment by hundreds of dollars. Here’s what you need to know about current mortgage rates in Charleston and how to get the best one.
Current Mortgage Rate Ranges in Charleston SC (2026)
Rates move daily based on bond markets and Federal Reserve policy. The ranges below reflect typical rates in the Charleston metro market. Your actual rate depends on your credit score, loan type, and down payment.
| Loan Type | Typical Rate Range | Best For |
|---|---|---|
| 30-Year Fixed Conventional | 6.75% – 7.25% | 680+ credit, 20% down |
| 15-Year Fixed Conventional | 6.00% – 6.50% | Buyers wanting lower total interest |
| 30-Year Fixed FHA | 6.50% – 7.00% | First-time buyers, lower credit |
| 30-Year Fixed VA | 6.25% – 6.75% | Veterans, active military |
| 5/1 ARM | 5.75% – 6.50% | Short-term buyers, plans to refinance |
These are estimated ranges. Contact us for a personalized, locked rate quote.
What Factors Affect Your Mortgage Rate in Charleston?
- Credit Score — A 760+ score can save 0.5–0.75% vs. a 620 score, worth thousands per year
- Down Payment — 20%+ eliminates PMI and often gets a lower rate
- Loan Type — VA loans often have the lowest rates; FHA is competitive; conventional varies by credit
- Loan Term — 15-year loans have lower rates but higher payments
- Market Conditions — Rates track the 10-year Treasury bond and Federal Reserve decisions
- Debt-to-Income (DTI) — Lower DTI signals less risk to lenders and may improve your rate
Charleston vs National Rates — What to Expect
Charleston rates tend to closely follow national averages. However, because of the large military presence (Joint Base Charleston), VA loans are extremely common here — and VA rates are typically 0.25–0.50% lower than conventional rates for the same buyer profile. If you’re a veteran, ask specifically about VA loan rates.
How to Lock In the Best Mortgage Rate in Charleston
- Improve your credit score before applying — even 20 points can matter
- Increase your down payment if possible — 20% eliminates PMI and often lowers your rate
- Compare multiple lenders — quotes can vary 0.25–0.5% between lenders
- Ask about rate locks — lock in once you’re under contract to protect against rate increases
- Lower your debt before applying to improve your DTI ratio
Watch: Mortgage Rates in Charleston SC Explained
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A mortgage rate explainer for Charleston buyers is in production. In the meantime, start your application and we’ll send you a personalized rate quote within 24 hours.
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Get My Rate Quote →About Your Loan Officer
Matt Doby — Licensed Mortgage Broker
NMLS Licensed | SC & NC | Edge Home Finance
Matt specializes in securing competitive mortgage rates for Charleston and Summerville area buyers. He shops multiple lenders to find the best rate for your specific profile — FHA, VA, or conventional.
Serving: Charleston, Summerville, Mount Pleasant, North Charleston, Goose Creek, and surrounding SC communities.