South Carolina Mortgage Rate Trends
Track current and weekly average mortgage rates across all loan products in South Carolina, view interactive rate trend charts, and compare SC borrowing costs against the national average.
Current South Carolina Mortgage Rate Trends
Mortgage rates in South Carolina fell by -0.034 this week, bringing the current 30-year fixed average down to 6.249%. Borrowers in SC are benefiting from improved conditions compared to last week's average of 6.283%.
At 6.249%, South Carolina's 30-year fixed rate sits +0.000 above the current national average of 6.249%. This above-average spread may reflect local market conditions, lender competition levels, or regional risk factors specific to SC.
The 15-year fixed rate in South Carolina currently averages 5.624%, compared to 5.705% last week. Homeowners considering a refinance into a shorter term should weigh this rate against their current loan conditions and remaining balance. Shorter-term loans typically carry lower rates but require higher monthly payments.
The South Carolina mortgage rate averages displayed on this page are calculated from 127 verified mortgage rate quotes collected across 24 lenders actively operating in South Carolina. Our proprietary systems collect and verify mortgage rates daily — tracking what real licensed institutions are actually quoting to borrowers, not published rate sheet estimates.
Unlike rate comparison sites that show only a handful of lenders, MonitorBankRates maintains a continuously updated mortgage rate database spanning community banks, regional lenders, national institutions, and credit unions across South Carolina. This scale allows us to calculate averages that reflect the full lending landscape — not just the most aggressive advertisers — giving borrowers, journalists, and real estate professionals a more accurate benchmark for what rates actually look like in SC.
Data reflects average rates offered by licensed institutions operating in SC. Last Updated: April 27, 2026
South Carolina Mortgage Rate Trends
Daily average rates across all loan products. Hover over the chart to see exact rates for each day.
South Carolina mortgage rate averages compiled from 127 current mortgage rates across 24 lenders operating in SC — updated daily.
As of Apr 27, 2026 • Data provided by MonitorBankRates.com
Historical Mortgage Rate Trends
Long-term weekly U.S. mortgage rate history from Freddie Mac's Primary Mortgage Market Survey® (PMMS®). 30-year fixed rates available since April 1971; 15-year fixed since August 1991.
State-level historical mortgage rates are not separately tracked — the chart below shows the national PMMS series for long-run context. The chart above shows current rates specific to South Carolina.
Source: Freddie Mac, Primary Mortgage Market Survey® (PMMS®), retrieved from FRED, Federal Reserve Bank of St. Louis. On November 17, 2022, Freddie Mac changed PMMS methodology from a lender survey to LPA application data.
For Media, Researchers & Real Estate Professionals
Journalists covering South Carolina housing markets, real estate professionals advising clients on timing, and academic researchers studying regional lending patterns are welcome to cite and reference this data. All historical SC rate data is free to use for editorial, research, and educational purposes.
Please attribute MonitorBankRates.com when referencing our figures in any publication, article, or report — and optionally link to https://monitorbankrates.com/mortgage-loan-rates/south-carolina/trends. For custom data pulls, contact us here.
