[Object] To provide a fixture that can increase the degree of layout freedom of a contact fitting and facilitate construction and that can suppress a reduction in the strength and the durability of a building structure; and a wall structure for buildings.
[Solution] A fixture 10 can be provided with a contact fitting 30. The fixture 10 includes a substrate portion 11, a first side wall portion 12, a second side wall portion 13, a support portion 14, a first locking portion 15, a second locking portion 16, and a fixing plate portion 17. The fixing plate portion 17 extends from a distal edge 13A of the second side wall portion 13 so as to face the substrate portion 11, and is disposed at a location closer than the support portion 14 to the substrate portion 11. The contact fitting 30 includes a mounting portion 31 that is fixable to the fixing plate portion 17, and an erect piece 32 that is erect in a direction that intersects the mounting portion 31.