Except as provided in RCW
41.04.273 and
11.84.025, upon the death of a decedent, a one-half share of the community property shall be confirmed to the surviving spouse or surviving domestic partner, and the other one-half share shall be subject to testamentary disposition by the decedent, or shall descend as provided in chapter
11.04 RCW. The whole of the community property shall be subject to probate administration for all purposes of this title, including the payment of obligations and debts of the community, the award in lieu of homestead, the allowance for family support, and any other matter for which the community property would be responsible or liable if the decedent were living.