Mortgage Rates in Charleston
Compare 30-year fixed mortgage rates from credit unions serving Charleston, South Carolina. Today's best rate: 5.950% APR. Zero affiliate bias - rates ranked by true cost.
Charleston mortgage rates range from 5.950% to 11.990% APR for 30-year fixed loans. Data from 44 credit unions in South Carolina, updated August 2026.
Source: RateAPI.dev
Top Credit Unions for Charleston Mortgages
Ranked by lowest APR. Based on a $400,000 loan over 30 years.
Rate Data Coming Soon
We're actively collecting mortgage rates from credit unions serving Charleston. Check back soon!
15-Year Fixed Rates for Charleston
How to Get the Best Mortgage Rate in Charleston
Credit unions serving Charleston often offer lower mortgage rates than traditional banks because they're member-owned non-profits. Here's how to qualify for the best rates:
Check Your Credit Score
Scores above 740 typically qualify for the best rates in Charleston. Most credit unions require a minimum of 620-680 for mortgages.
Join a Credit Union
Many credit unions serving Charleston have flexible membership requirements. Some are open to anyone who lives, works, or worships in South Carolina.
Compare Multiple Lenders
Even a 0.25% difference in APR can save you thousands over the life of your Charleston home loan. Compare at least 3-5 lenders.
Consider Points
Paying points upfront can lower your rate. This makes sense if you plan to stay in your Charleston home long-term.
Credit Unions Based in Charleston
2 credit unions are headquartered in Charleston. Local membership is often the easiest to qualify for — many accept anyone who lives or works in the area.
Frequently Asked Questions
Common questions about mortgage rates in Charleston
As of August 2026, 30-year fixed mortgage rates in the Charleston metro area range from 5.950% to 11.990% APR across credit unions serving South Carolina. The median rate is 6.890% APR.
To get the best mortgage rate in Charleston: 1) Compare rates from multiple credit unions serving the Charleston metro area, 2) Improve your credit score above 740, 3) Consider paying points upfront for a lower rate, 4) Shop within a 14-day window to minimize credit score impact, 5) Get pre-approved before house hunting.
Yes, credit unions serving Charleston, South Carolina typically offer lower mortgage rates than traditional banks. Because credit unions are member-owned non-profits, they return savings to members through lower rates and fees. On a $400,000 mortgage, this can save $50,000-$100,000 over 30 years.
For the best mortgage rates in Charleston, aim for a credit score of 740 or higher. Scores between 700-739 qualify for good rates, while 620-699 may face higher rates. Credit unions in South Carolina have varying requirements, so compare options even with lower scores.
How much house you can afford in Charleston depends on your income, debts, down payment, and current mortgage rates. Most lenders prefer your total housing costs (including taxes and insurance) to be below 28% of gross income. Use current Charleston rates to calculate your maximum affordable home price.
Mortgage Rates in Other South Carolina Cities
Mortgage Rates by State
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