If you find a house you are really considering, contact Community Standards and ask them to research for any additions or landscaping improvements/additions, that might have needed a permit or approval. If work was done with out, then you could be held responsible for repairs or removal if somebody complains, and we do have some trolls who drive around looking for violations. Do your due diligence, or pay the price.
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Patriot Guard Riders--"Standing for Those Who Have Stood for US"!
Laughter is the best medicine, unless you're being treated for Shingles