Premium 4.125" x 4.125" x 9' Fence Posts

Seattle's best value posts — superior strength and longevity vs. box-store 3.5" posts.

Big-box "4x4" posts are actually 3.5" x 3.5". Our 4.125" posts add substantial cross-sectional area for stability.

Optimized size with excellent stability over decades in Seattle's climate.

MyFence.com's Professional Installation Process

Our expert team follows proven techniques to ensure your fence posts last for decades in Seattle's unique climate.

We use our Fence Genius technology to ensure exact spacing and alignment for structural integrity.

Concrete poured at or near surface level prevents soil contact, dramatically reducing rot risk.

Premium 4.125" x 4.125" x 9' cedar posts selected for strength and natural rot resistance.

Get a free quote from MyFence.com for your project using premium 4.125" posts.

Proudly serving the greater Seattle area within a 28-mile radius

Professional fence installation across King County, Pierce County, and East King County