Whenever any part of such burying ground shall have been designated and appropriated by the owners as the burying place of any particular person or family, the same shall not be liable to be taken or disposed of by any warrant, execution, tax, or debt whatever; nor shall the same be liable to be sold to satisfy the demands of creditors whenever the estate of the owner shall be insolvent.
RCW 68.24.220
Cemetery property exempt from taxation: RCW 84.36.020.