We found this beetle on an east facing wall while walking the streets of Leavenworth in Central Washington State.  Alder Wood Borers are known to be attracted to new paint.  Their formal name is Rosalia funebris.  It is a member of the Longhorn Beetles family.  They are found up and down the west coast California to the Pacific Northwest and the Rockies.  Alder Wood Borers deposit

eggs on the bark of dead or dying trees and their larvae is bore into the tree.  Additional information can be found at https://en.wikipedia.org/wiki/Rosalia_funebris.