Average Fence Post Height

For a 6 foot tall vinyl privacy fence your posts will need to be 9 feet long.

Average fence post height.

On a sloping site your fence can be 8 feet high if the average height between posts is 6 feet. For our six foot high fence post we would need a hole that s 36 inches deep and 12 inches in diameter. If you want to build a fence on a bulkhead or retaining wall in a required yard there are additional height limits. A 4 foot iron fence will need to be secured in a 2 feet deep hole.

But there is considerable variation between communities and within communities especially for wood privacy fences. The standard height for a wood fence is determined by local regulations. 36 0 91 meter 48 1 2 m 72 1 8 m and 96 2 4 m. In single family zones your fence height is limited to 6 feet with an additional 2 feet of architectural features such as trellises.

However each city has its own fence height regulations that you must adhere to. Standard fence height most prefabricated fence panels or boards made of wood vinyl aluminum or composite materials come from manufacturers in four different heights. Common heights for front yard fences are around 3 feet while common heights for backyard fences are between 6 and 8 feet. Most communities regulate fences to some degree the standard height for a wood fence is 6 feet for a privacy fence and 4 feet for a decorative one.

The depth of your post hole plays a key role in the strength of your posts. So if you re planning on using a four inch round or 4x4 inch square post your post hole will need to be 12 inches in diameter.