I'm planning on building a 45' long retaining wall. My local Home
Depot tells me that as long as the wall is under three feet, I can
build it without a permit. The stone that I want to use is Anchor
Windsor Stone® but both the website and the brochure indicate that I
can only make this wall 24" high--not three feet. So who's right?
Bottom line is that I need to make it as high as I can without a
permit but 24" is too low for my project.

Thanks.