Property Tax at DeBordieu Colony: How South Carolina's System Actually Works

The Core Mechanic: 4% vs. 6% Assessment Ratios

South Carolina does not tax property at its full market value the way many states do -- it applies an assessment ratio first, then taxes the assessed value. Owner-occupied primary residences are assessed at 4% of fair market value. Every other residential property -- second homes, vacation homes, and investment/rental property -- is assessed at 6% of fair market value, a full 50% higher assessed value for an identical house. On a $1.8 million DeBordieu home (roughly the community's reported median sale price), that's the difference between an assessed value of $72,000 at the 4% owner-occupied ratio and $108,000 at the 6% non-owner-occupied ratio -- before any millage is even applied.

This distinction matters more at DeBordieu than at most beach markets on this site because DeBordieu is a heavily second-home, seasonal community. An aggregator-estimated housing vacancy rate near 40.7% -- far above typical year-round neighborhoods -- suggests a large share of DeBordieu's housing stock is not anyone's primary legal residence, meaning a meaningful share of DeBordieu owners are very likely paying the higher 6% ratio rather than the 4% owner-occupied rate. To claim the 4% owner-occupied ratio in South Carolina, an owner generally must file for it with the county assessor and certify the property as their legal residence -- it isn't automatic just because you own the home.

Act 388: The School-Tax Exemption That Doesn't Apply to Most Second Homes

South Carolina's Act 388, passed in 2006, eliminated the school operating-millage portion of property tax specifically for owner-occupied primary residences, funding the resulting revenue gap with a statewide 1-cent sales tax increase. Critically, this exemption applies only to the school operating millage, not to school bond millage (used for school construction debt), and it applies only to owner-occupied primary residences -- not to second homes, vacation properties, or rental property, which continue to pay the full school operating rate on top of everything else.

Because so much of DeBordieu's housing stock functions as a second home or seasonal property rather than an owner's primary legal residence, a large share of DeBordieu buyers should expect to pay the full school operating millage that a comparable owner-occupied primary residence elsewhere in Georgetown County would not pay. This is a real, structural reason DeBordieu's effective property tax rate, as a share of home value, likely runs higher on average than the county's owner-occupied-heavy neighborhoods -- though this page did not calculate a DeBordieu-specific blended effective rate, since that would require parcel-level occupancy data this research did not have access to.

Georgetown County's Confirmed Millage, Unincorporated Status, and the 2025 Reassessment

The most recently confirmed tax-year-2024 millage figures for Georgetown County show a county operating rate of 78.0 mills and a combined school district rate of 155.5 mills -- 127.0 mills of school operating millage plus 28.5 mills of school bond millage -- for a combined total near 233.5 mills. Because DeBordieu Colony is unincorporated, there is no separate municipal millage layered on top the way a resident of the city of Georgetown or the town of Pawleys Island would pay; DeBordieu owners pay the county and school rates directly, though a fire protection district or other special-purpose district levy may still apply to a specific parcel, and this research did not confirm an itemized special-district rate for DeBordieu specifically.

Georgetown County is mid-cycle on a countywide property reassessment as of 2025, part of the state-mandated cycle every county must run (South Carolina law requires reassessment at least every five years). Reassessment updates each property's appraised market value to reflect current conditions, and county-wide values reportedly rose an average of just over 9% in the most recent cycle -- with real variation by area: the town of Pawleys Island, DeBordieu's immediate neighbor, saw one of the county's larger average increases at 13.4%, while the city of Georgetown saw a comparatively modest 3.2% rise. Critically, South Carolina law does not allow a county to profit from reassessment: when property values rise, the county is required to roll back its millage rate proportionally, so the reassessment itself is not supposed to generate a revenue windfall. That means a DeBordieu owner's assessed value may rise significantly under the 2025 reassessment while the applicable millage rate falls to offset it -- the net effect on any specific bill isn't something this page can responsibly predict without the exact pre- and post-reassessment figures for that parcel.

The Homestead Exemption for Owners 65 and Older

South Carolina offers a Homestead Exemption that lets qualifying owners -- generally those 65 or older, totally and permanently disabled, or legally blind -- exempt the first $50,000 of fair market value of their legal residence from most property taxes (school bond millage is typically not covered by the exemption). Like the 4% owner-occupied assessment ratio, this exemption applies to a legal residence, not a second home, so it is only relevant to the smaller share of DeBordieu owners who make the community their primary, year-round address. This page did not independently confirm the exact current dollar value or every qualification detail of the exemption as applied in Georgetown County specifically -- confirm eligibility and the application process with the Georgetown County Auditor's office.

Appealing an Assessment

Property owners who believe their county-assessed value is too high have a formal right to appeal, typically starting with the county assessor's office and, if unresolved, proceeding to the county Board of Assessment Appeals and potentially the South Carolina Administrative Law Court. This is a standard right across South Carolina counties, not something specific to DeBordieu, and the appeal window generally opens after a reassessment notice or an annual assessment notice is mailed. Given that DeBordieu's median home value runs well into seven figures, even a modest percentage reduction in assessed value can represent a meaningful annual tax savings, which is part of why higher-value coastal markets like this one tend to see active use of the appeal process during reassessment years. This page did not confirm Georgetown County's specific appeal deadlines or filing procedure for the current reassessment cycle -- get exact deadlines from the Georgetown County Assessor's office directly, since missing an appeal window typically locks in the assessed value until the next cycle.

What a DeBordieu Buyer Should Actually Do Before Closing

Because South Carolina's property tax bill depends so heavily on occupancy status, a serious DeBordieu buyer should model two separate numbers before making an offer: the tax bill if the home will be a primary, owner-occupied legal residence (4% ratio, Act 388 school-operating exemption, potential Homestead Exemption if 65+) and the tax bill if it will remain a second home or rental (6% ratio, full school millage, no Homestead Exemption). The gap between those two numbers, at DeBordieu's price points, can run into the thousands of dollars annually on an identical house -- a genuinely material planning variable that a listing sheet's generic 'estimated taxes' line typically doesn't distinguish. Confirm both scenarios, along with the exact current millage for the specific tax district a parcel sits in, with the Georgetown County Assessor and Tax Office before closing.