These home plans are downloadable FREE OF CHARGE in PDF format without any warranty. It is the responsibility of the builder to verify that the plans compy with all local building codes. The builder is to be responsible to verify accuaracy and to provide any supplimental drawings required to obtain a building permit, such as site plans. This website can not possibly provide construction plans for every site condition so the only conditions that will be given are slab on grade and post and pier. It is the builders responsibility to provide retaining walls and other site alterations where required.