Martinsburg is a low cost-of-living market — pricing guide and permit rules below.
Martinsburg window replacement rates: $2,000-$7,000 per system. Martinsburg's humidity and storms make regular maintenance essential. Always get 3 written quotes and verify WV licensing at West Virginia DOL (labor.wv.gov). Sales tax on materials: 7%.
Martinsburg requires permits when work exceeds $2,500 or involves full system replacement. Your licensed contractor pulls the permit — if they ask you to pull it, that's a red flag.