NC vs SC Tax Calculator
Lake Wylie sits across two states. Compare what you'd actually pay.
North Carolina
NC SideSouth Carolina
SC SideNorth Carolina saves you this annually at these numbers.
A note on the math
This calculator uses 2026 effective rates and is intended as a directional planning tool, not tax advice. North Carolina has moved to a flat 4.5% state income tax. South Carolina remains graduated with a top marginal rate of 6.2% above approximately $17,330 of taxable income.
Property taxes are even more nuanced. South Carolina assesses primary residences at a 4% ratio (versus 6% for second homes), making the effective rate dramatically lower for owner-occupants. Mecklenburg and Gaston County (NC) effective rates blend to roughly 0.82% of market value. SC primary residence rates on Lake Wylie tend to land near 0.55% — but second homes and investment properties pay closer to 0.85%.
Sales tax, capital gains treatment, retirement income exemptions, and homestead caps all matter at the margins. For a full personalized analysis, our relocation team works with CPAs on both sides of the lake.
How to read the property tax math
The calculator above models the working property tax difference between addresses on the North Carolina and South Carolina sides of Lake Wylie. The math reflects current millage rates, the South Carolina 4% owner-occupied primary residence assessment, the relevant homestead exemptions, and the typical effective rate North Carolina families pay across Mecklenburg and Gaston counties.
The most material driver of the cross-border differential is South Carolina's owner-occupied assessment ratio rather than the headline millage rate. A primary residence in Fort Mill or Tega Cay typically carries a meaningfully lower effective property tax rate than a comparable home in Steele Creek or Belmont — a difference that compounds over a long hold and that often offsets South Carolina's higher headline income tax rate.
Property tax math is one piece of a broader cost-of-residency picture that includes income tax, vehicle property tax (SC), boat registration, and insurance. For a fuller picture, the cost-of-living guide under Relocate carries the working numbers most relocating families use to model the first three years on the basin.
A reference calculator.
Lake Wylie Living does not offer personalized analysis, briefings, or a contact form. The tool above is published as reading reference only.