How Long Does a Fence Last? Lifespan by Material

A fence is a 15- to 30-year purchase. The lifespan you actually get depends on the material, your climate, and how religiously you maintain it. Here are the real numbers from contractor data — not the optimistic ones in the marketing brochures.

Realistic lifespan by material

• Pressure-treated pine: 15–20 years
• Cedar: 20–25 years
• Redwood: 25–30 years
• Vinyl: 25–30 years (often outlasts the warranty)
• Galvanized chain-link: 15–20 years
• Vinyl-coated chain-link: 25–30 years
• Aluminum: 30+ years
• Composite: 30+ years

Climate adjustments

Wood fence in the Pacific Northwest or deep South: subtract 3–5 years. Wood fence in the desert SW or northern plains: add 2–3 years. Vinyl in extreme cold (below -20°F regularly): subtract 5 years if you bought builder-grade.

What actually kills fences

1. Posts rotting at the soil line (wood) — adds 60% of all wood fence failures
2. Pickets warping or splitting from sun exposure (wood)
3. UV degradation making vinyl brittle (cheap vinyl)
4. Galvanized coating eventually failing and rust setting in (chain-link)
5. Storm damage — a tree branch beats every fence equally

Maintenance schedule that maximizes lifespan

1. Wood: stain every 2–3 years, replace any board with visible rot immediately, check posts annually
2. Vinyl: rinse with a hose annually, scrub mildew with mild soap, replace cracked panels quickly
3. Chain-link: spot-paint rust on galvanized fences, tighten loose tension wire, replace top rail caps
4. Aluminum: touch up paint chips with matching enamel, check welds annually

Replace vs repair signal

If more than 30% of posts are loose or rotting, it's almost always cheaper to replace the whole fence than to do post-by-post repair. Below 30%, post-by-post is a sane option for another 5–8 years of life.