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How deep should a fence post hole be?

Updated February 21, 2017

The experts at Taylor Rentals recommends that a fence post hole be driven deeply enough so that one third of the fence post lies beneath the ground. For instance, to build a 4-foot high fence, a 6-foot post is driven 2 feet into the ground, with 4 feet remaining above ground.

Six-Foot Fences Require Two Feet of post Buried

Quality Equipment Rental recommends a slightly different option when it comes to digging fence posts. The company recommends a fence up to 6 feet high requires at least 2 feet of the pole be buried. This equates to 25 per cent of the fence post underground.

Bottom Line

Quality Equipment Rental recommends a slightly different option when it comes to digging fence posts. The company recommends a fence up to 6 feet high requires at least 2 feet of the pole be buried. This equates to 25 percent of the fence post underground.

Bottom line

Factor in the environment when digging holes for your fence posts. Twenty-five percent of the post buried may be fine in areas where you don’t get too much wind or weather; in a harsher environment, bury at least one third of the post in the ground.

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About the Author

Robert Howard has been writing professionally since 2004 and writes a weekly column for the "Synthesis," a Chico, Calif.-based newspaper. He maintains a blog and has published articles and works of fiction in a variety of different print and online magazines. Howard holds a Bachelor of Arts in visual arts from the University of California, San Diego.