Is Charleston, SC affordable on a $3,675,000 salary?
YES
On $3,675,000/yr, the typical $435,877 home in Charleston, SC needs $128,727/yr ($3,004/mo). Your gap: +$3,546,273 — housing would be 1% of your gross income.
The math
435,877 price − 10% down (43,588) = 392,289 loan
30-yr fixed at 6.49% on 392,289 = 2,477/mo principal+interest
+ 527/mo est. taxes+insurance (1.45%/yr of value — national placeholder)
3,004/mo PITI ÷ 0.28 = 10,727/mo → 128,727/yr required
against Zillow ZHVI 2026-05 and the 6.49% FRED 30-yr rate (2026-06-25).
What salary WOULD clear Charleston, SC?
You need about $128,727/yr for the typical home. On $3,675,000 you already clear it by $3,546,273.