Wash. Const. art. XI, § 8
The salary of any county, city, town, or municipal officers shall not be increased except as provided in section 1 of Article XXX or diminished after his election, or during his term of office; nor shall the term of any such officer be extended beyond the period for which he is elected or appointed.
[AMENDMENT 57, part, 1971 Senate Joint Resolution No. 38, part, p 1829. Approved November, 1972.]
Original text — Art. 11 Section 8 SALARIES AND LIMITATIONS AFFECTING — The legislature shall fix the compensation by salaries of all county officers, and of constables in cities having a population of five thousand and upwards; except that public administrators, surveyors and coroners may or may not be salaried officers. The salary of any county, city, town, or municipal officers shall not be increased or diminished after his election, or during his term of office; nor shall the term of any such officer be extended beyond the period for which he is elected or appointed.