Flat Roof Replacement cost: Dover vs Wilmington (2026)
In 2026, flat roof replacement is about 7% less expensive in Dover than in Wilmington. Most homeowners pay around $10,000 in Dover versus $10,700 in Wilmington — a gap of roughly $700.
Dover DE
Lower costTypically around $10,000
Wilmington DE
Typically around $10,700
Dover vs Wilmington: full breakdown
| Factor | Dover | Wilmington |
|---|---|---|
| Typical 2026 cost | $10,000 | $10,700 |
| Estimated range | $5,150–$14,850 | $5,500–$15,900 |
| Labor index (vs US) | ×0.97 | ×1.04 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $275 | $275 |
| Labor share | $6,000 | $6,400 |
| Materials/equipment | $4,000 | $4,300 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Dover vs Wilmington
Is flat roof replacement cheaper in Dover or Wilmington?
In 2026, flat roof replacement is cheaper in Dover at about $10,000, versus $10,700 in Wilmington — a difference of about $700 (7%).
Why does flat roof replacement cost more in Wilmington than Dover?
The main driver is local labor rates: Wilmington's labor index is 1.04 versus 0.97 in Dover. Climate zone (mixed vs mixed) also shift the total.
How much is flat roof replacement in Dover, DE?
In Dover, flat roof replacement typically runs $5,150–$14,850 in 2026, with most homeowners paying around $10,000.
Updated June 2026 · By Costadia Editorial