How Long Does a Deck Last? (2026 Lifespan Data)

Deck lifespan in 2026: pressure-treated 15–20 yrs, cedar 15–25 yrs, composite 25–50 yrs. Material data and structural failure signs.

About HomeScore

HomeScore forecasts repairs, replacement timing, and total ownership cost across 40+ home systems. Used by 8,200+ buyers, sellers, and long-term homeowners in 2026.