All of the addresses here are from Clark County. Their data has duplicate addresses as well. I'd remove one, but I don't know which house it belongs to. Not sure if it's surveyable as it looks like a gated neighborhood.

https://hub-clarkcountywa.opendata.arcgis.com/datasets/situs-addresses/explore?location=45.594265%2C-122.527777%2C18.97