RCW 26.16.010: Separate property of spouse.

Property and pecuniary rights owned by a spouse before marriage and that acquired by him or her afterwards by gift, bequest, devise, descent, or inheritance, with the rents, issues and profits thereof, shall not be subject to the debts or contracts of his or her spouse, and he or she may manage, lease, sell, convey, encumber or devise by will such property without his or her spouse joining in such management, alienation or encumbrance, as fully, and to the same extent or in the same manner as though he or she were unmarried.