PRESSURE TREATED POSTS ALREADY INSTALLED ARE ROTTEN AND NEEDED TO BE REPLACED COST OF APX 10 OF THEM
If they are 4x4 posts you're looking at $2400 approximately to remove and replace and put back the fence.
6x6 posts would be $2900 approximately
complete fences are running average of $40/ft supply/install posts included, if the posts are that bad you probably are better off doing a complete job
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