How Long a Deck Lasts in Madison, WI

Deck Builders Madison · Nov 12, 2026 · 3m

In this episode of Deck Builders Madison, we look at a question every homeowner eventually asks: how long does a deck last? The honest answer is that it depends on the material, the build quality, and how well the structure is cared for over time. In Madison, the answer also has to account for long, snowy winters, deep frost, and short warm summers, all of which can be hard on outdoor structures.

Pressure-treated wood is still a common option for many homes, and with regular care it commonly lasts around 10 to 15 years. That range can change based on moisture exposure, sun, snow load, and how…