Flat Roof Replacement cost: Columbia vs Hilton Head Island (2026)
In 2026, flat roof replacement is about 4% less expensive in Columbia than in Hilton Head Island. Most homeowners pay around $10,050 in Columbia versus $10,450 in Hilton Head Island — a gap of roughly $400.
Columbia SC
Lower costTypically around $10,050
Hilton Head Island SC
Typically around $10,450
Columbia vs Hilton Head Island: full breakdown
| Factor | Columbia | Hilton Head Island |
|---|---|---|
| Typical 2026 cost | $10,050 | $10,450 |
| Estimated range | $5,150–$14,900 | $5,350–$15,500 |
| Labor index (vs US) | ×0.96 | ×0.99 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $250 | $275 |
| Labor share | $6,050 | $6,250 |
| Materials/equipment | $4,000 | $4,200 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Columbia vs Hilton Head Island
Is flat roof replacement cheaper in Columbia or Hilton Head Island?
In 2026, flat roof replacement is cheaper in Columbia at about $10,050, versus $10,450 in Hilton Head Island — a difference of about $400 (4%).
Why does flat roof replacement cost more in Hilton Head Island than Columbia?
The main driver is local labor rates: Hilton Head Island's labor index is 0.99 versus 0.96 in Columbia. Climate zone (hot vs hot) and permit fees also shift the total.
How much is flat roof replacement in Columbia, SC?
In Columbia, flat roof replacement typically runs $5,150–$14,900 in 2026, with most homeowners paying around $10,050.
Updated June 2026 · By Costadia Editorial