But there is considerable variation between communities and within communities especially for wood privacy fences.
Average fence post height.
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.
Common heights for front yard fences are around 3 feet while common heights for backyard fences are between 6 and 8 feet.
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.
36 0 91 meter 48 1 2 m 72 1 8 m and 96 2 4 m.
This means that your post will have to be at least 6 feet long to be installed correctly.
If you want to build a fence on a bulkhead or retaining wall in a required yard there are additional height limits.
However each city has its own fence height regulations that you must adhere to.
The standard height for a wood fence is determined by local regulations.
For a 6 foot tall vinyl privacy fence your posts will need to be 9 feet long.
The depth of your post hole plays a key role in the strength of your posts.
Fence drawing there is no set standard for residential fence height.
For our six foot high fence post we would need a hole that s 36 inches deep and 12 inches in diameter.
In single family zones your fence height is limited to 6 feet with an additional 2 feet of architectural features such as trellises.
A 4 foot iron fence will need to be secured in a 2 feet deep hole.