Summerville, South Carolina Mortgage Refinance Interest Rates
Discover the latest mortgage interest rates to make informed decisions about your home refinancing.
Interest rate over time in Summerville, South Carolina
Timeframe
Daily refinance averages provided by the Mortgage Research Center.
Compare mortgage rates in Summerville, South Carolina
Showing results for: 15-Year Fixed and 30-Year Fixed refinance offers for Single Family or Townhome properties in SC, total loan amount of $228,000.
| Lender | APR / Rate | Monthly Payment | |
|---|---|---|---|
Rate data provided by RateUpdate.com. Displayed by Mortgage Research Center, NMLS #1907, Equal Housing Opportunity. Rates and fees are estimates and subject to change without notice. Payments do not include taxes and insurance premiums. Actual payments may be higher. Not all lenders participate in this marketplace. Loan availability and terms may vary by state and lender. Lender offers, including badges like “Lowest APR” or “Lowest Payment,” are based only on results displayed here and may not reflect the absolute lowest offer available in the market. Rate and product details
Should You Refinance in Summerville?
3.8% annual appreciation
· Data updated 9/6/2026In Summerville's stable market, refinancing decisions should focus on interest rate comparisons. Even a 0.5% rate reduction can result in significant savings over the life of your loan.
Local Market Context
Summerville, South Carolina homes have a median value of $278,100, with 3.8% year-over-year appreciation. Consistent home values provide a solid foundation for refinancing decisions focused on lowering interest rates and monthly payments.
Estimated Monthly Payment in Summerville
Based on the median home price of $278,100 with 20% down at 6.84% (30-year fixed):
| Principal & Interest | $1,456.63/mo |
| Property Tax | $132/mo |
| Homeowner's Insurance (est.) | $125/mo |
| Estimated Total (PITI) | $1,714/mo |
Rate Savings Scenarios for Summerville
How your monthly principal & interest payment changes at different rates (20% down on $278,100 median home):
| Interest Rate | Monthly P&I | vs. Current Rate |
|---|---|---|
| Current rate (6.84%) | $1,457 | — |
| 6.34% (–0.5%) | $1,383 | –$74/mo |
| 5.84% (–1.0%) | $1,311 | –$146/mo |
Down Payment Impact in Summerville
Monthly principal & interest at 6.84% for different down payments on the $278,100 median home:
| Down Payment | Loan Amount | Monthly P&I |
|---|---|---|
| 10% down ($27,810) | $250,290 | $1,639 |
| 15% down ($41,715) | $236,385 | $1,548 |
| 20% down ($55,620) | $222,480 | $1,457 |
Property Tax Impact
Property taxes in Summerville, South Carolina average 0.57% of home value, which is lower compared to the national average. When refinancing, it's important to remember that your total monthly payment includes these taxes (approximately $132 per month for a median-valued home). A lower interest rate might reduce your principal and interest payment, but your property tax portion stays the same.
South Carolina ranks 5th (very low) nationally for property taxes, which directly affects your total monthly payment when buying or refinancing.
Cost of Living Context
Summerville's cost of living is 2% below the national average (index: 98), meaning housing costs tend to run lower than typical — which may allow for higher purchasing power when buying or refinancing.
Calculate Your Exact Refinance Savings
Get a personalized analysis based on your specific mortgage details, compare multiple offers, and see your break-even point.
Use Refinance CalculatorSummerville is Booming: How Fast Appreciation Changes Your Refinance
Hey Summerville homeowners! If you bought a home here recently, you are sitting on a goldmine. Summerville is experiencing massive real estate growth, and that rapid appreciation completely changes the math on whether you should refinance today.
The Magic Trick: Dropping Your PMI via LTV
Your Loan-to-Value (LTV) measures how much you owe versus what the home is worth.
If you bought your Summerville home with an FHA loan or a small down payment, you are likely paying Private Mortgage Insurance (PMI). Because your home's value has surged, your equity has naturally grown. By refinancing right now, you can get your home reappraised, drop your LTV below 80%, and eliminate that PMI payment entirely.
Property Tax Tip for Summerville Homeowners
Because property taxes are reasonable, a larger portion of your monthly payment goes toward principal and interest. Securing a lower interest rate through a refinance has a massive, immediate impact on your wallet.
State & Local Assistance in Summerville
SC Housing provides incredible statewide support. Be sure to explore their programs to ensure you are maximizing any available state-backed interest rate benefits in the Lowcountry.
What Interest Rate Drop Makes Refinancing Worth It in Summerville?
In Summerville's stable market with 3.8% annual appreciation, refinancing is generally worthwhile when you can reduce your rate by at least 0.75-1%. For a $278,100 home with an 80% LTV ($222,480 loan), dropping from 7% to 6% saves approximately $140/month. With typical closing costs around $5,562, you'd break even in about 40 months. If you plan to stay in your home at least 4 years, refinancing makes financial sense.
How Do I Calculate My Break-Even Point for Refinancing in Summerville?
Calculate your break-even point by dividing total closing costs by monthly savings. In Summerville, closing costs typically run 2-3% of your loan amount. If you're refinancing $222,480 (80% of Summerville's $278,100 median home value), expect around $5,562 in costs. Compare your current monthly payment to your new payment including the 0.57% property tax, insurance, and the new principal/interest. If refinancing saves $150/month, your break-even is 37 months. Don't forget to factor in how long you plan to keep the home.
Should I Refinance from a 30-Year to 15-Year Mortgage in Summerville?
Shortening your term from 30 to 15 years can save substantial interest and typically offers rates 0.5-0.75% lower. On Summerville's median home value of $278,100, you could save over $100,000 in interest over the loan's life. However, monthly payments increase significantly-a $222,480 loan at 6% jumps from approximately $1,510/month (30-year) to $1,938/month (15-year at 5.5%). Refinance to a 15-year if you can comfortably afford the higher payment and want to build equity faster in Summerville's stable market.
Can I Refinance If I Still Have PMI in Summerville?
Yes, and eliminating PMI is often a primary refinancing goal. PMI typically costs 0.5-1% of your loan amount annually. On a $222,480 mortgage in Summerville, that's $200-400/month. With 3.8% annual appreciation plus principal paydown, you may have crossed the 80% LTV threshold. If you purchased with 5-10% down 3-4 years ago, appreciation likely brought you to 20%+ equity. Refinancing removes PMI permanently (unlike conventional loans where it can take years to cancel), immediately lowering your payment even if you get the same interest rate.
Is a No-Closing-Cost Refinance a Good Deal in Summerville?
No-closing-cost refinances roll $6,674 in typical closing costs into your loan balance or offset them with a slightly higher interest rate (usually 0.25-0.5% higher). In Summerville's stable market, this makes sense if you plan to move within 3-5 years, avoiding the $37-month break-even period on traditional refinances. However, if you're staying long-term, paying closing costs upfront and getting a lower rate saves more money over time. Calculate both scenarios: upfront costs with lower rate versus no costs with higher rate over your expected timeline.
How Summerville compares across South Carolina
Median home prices vary widely across South Carolina, which changes what a typical refinance costs. Here is the estimated monthly principal and interest on a median-priced home (80% loan-to-value) at today's average 30-year fixed rate of 6.84%:
| City | Median home price | Est. monthly P&I | vs. Summerville |
|---|---|---|---|
| Summerville | $278,100 | $1,457 | — |
| Columbia | $234,500 | $1,228 | −$229/mo |
| Florence | $209,200 | $1,096 | −$361/mo |
| Sumter | $140,700 | $737 | −$720/mo |
Estimates use each city's median home price with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.