(1) The homestead exemption amount is the greater of:
(a) $125,000;
(b) The county median sale price of a single-family home in the preceding calendar year; or
(c) Where the homestead is subject to execution, attachment, or seizure by or under any legal process whatever to satisfy a judgment in favor of any state for failure to pay that state's income tax on benefits received while a resident of the state of Washington from a pension or other retirement plan, no dollar limit.
(2) In determining the county median sale price of a single-family home in the preceding year, a court shall use data from the Washington center for real estate research or, if the Washington center no longer provides the data, a successor entity designated by the office of financial management.