Seguin is a low cost-of-living market — pricing guide and permit rules below.
Seguin window replacement rates: $2,000-$7,000 per system. Seguin's humidity and storms make regular maintenance essential. Always get 3 written quotes and verify TX licensing at Texas TDLR (tdlr.texas.gov). Sales tax on materials: 8.25%.
Seguin requires permits when work exceeds $500 or involves full system replacement. Your licensed contractor pulls the permit — if they ask you to pull it, that's a red flag.