My city (Redmond, WA) enforces the 2015 International Residential Code, but I could not find any requirements around distances of downspout and/or sump pump drainage from property lines. Perhaps I'm not searching on the right nomenclature.
What is the minimum distance from property line water can be drained? Does it differ for downspouts and sump pumps?
Please refrain from sharing recommended distances. I'm looking for the code.