In 2025, property taxes in Summerville, South Carolina, vary depending on the county (Dorchester or Charleston) and specific location within Summerville, but there are some key points to know:
The median effective property tax rate in Summerville, Dorchester County, is about 0.83%, which is slightly higher than the South Carolina state median of 0.72% but below the national median of 1.02%. The median home value here is approximately $214,024, with a median annual tax bill of around $2,026. Property taxes are calculated based on assessed value, which is often lower than market value due to exemptions like homestead or senior exemptions.
In Summerville areas within Charleston County, the median effective property tax rate is lower, around 0.55%, with a median home value closer to $198,000 and a median annual tax bill of about $1,079. This rate is lower than both national and state medians, making it comparatively affordable.
Property tax bills in Summerville can vary significantly by zip code. For example, Dorchester County’s 29485 zip code has higher median tax bills and home values than 29483.
Taxes are assessed locally, and property owners can potentially reduce their tax burden by applying for exemptions or appealing assessed values.
Understanding these rates and exemptions can lead to significant savings for homeowners. Local county tax offices provide resources like tax estimators to help property owners understand their potential tax bills.
Overall, Summerville offers a moderate property tax environment in 2025, with rates generally below national averages but with some variation depending on county and neighborhood.​
If you need specific guidance, contacting Dorchester or Charleston County tax offices or consulting property tax professionals can be helpful.
SOURCES
[1](https://www.avalara.com/taxrates/en/state-rates/south-carolina/cities/summerville.html)
[2](https://www.ownwell.com/trends/south-carolina/dorchester-county/summerville)
[3](https://www.ownwell.com/trends/south-carolina/charleston-county/summerville)
[4](https://smartasset.com/taxes/south-carolina-property-tax-calculator)
[5](https://www.charlestoncounty.org/departments/auditor/tax-estimator.php)
