Wash. Const. art. IV, § 10
The legislature shall determine the number of justices of the peace to be elected and shall prescribe by law the powers, duties and jurisdiction of justices of the peace: Provided, That such jurisdiction granted by the legislature shall not trench upon the jurisdiction of superior or other courts of record, except that justices of the peace may be made police justices of incorporated cities and towns. Justices of the peace shall have original jurisdiction in cases where the demand or value of the property in controversy is less than three hundred dollars or such greater sum, not to exceed three thousand dollars or as otherwise determined by law, as shall be prescribed by the legislature. In incorporated cities or towns having more than five thousand inhabitants, the justices of the peace shall receive such salary as may be provided by law, and shall receive no fees for their own use.
[AMENDMENT 65, part, 1977 Senate Joint Resolution No. 113, p 1714. Approved November 8, 1977.]
Amendment 65 also amended Art. 4 Section 6. Amendment 28, part (1952) — Art. 4 Section 10 JUSTICES OF THE PEACE — The legislature shall determine the number of justices of the peace to be elected and shall prescribe by law the powers, duties and jurisdiction of justices of the peace: Provided, That such jurisdiction granted by the legislature shall not trench upon the jurisdiction of superior or other courts of record, except that justices of the peace may be made police justices of incorporated cities and towns. Justices of the peace shall have original jurisdiction in cases where the demand or value of the property in controversy is less than three hundred dollars or such greater sum, not to exceed one thousand dollars, as shall be prescribed by the legislature. In incorporated cities or towns having more than five thousand inhabitants, the justices of the peace shall receive such salary as may be provided by law, and shall receive no fees for their own use. [AMENDMENT 28, part, 1951 Substitute House Joint Resolution No. 13, p 962. Approved November 4, 1952.] Note: Amendment 28 also amended Art. 4 Section 6. Original text — Art. 4 Section 10 JUSTICES OF THE PEACE — The legislature shall determine the number of justices of the peace to be elected in incorporated cities or towns and in precincts, and shall prescribe by law the powers, duties and jurisdiction of justices of the peace; Provided, That such jurisdiction granted by the legislature shall not trench upon the jurisdiction of superior or other courts of record, except that justices of the peace may be made police justices of incorporated cities and towns. In incorporated cities or towns having more than five thousand inhabitants the justices of the peace shall receive such salary as may be provided by law, and shall receive no fees for their own use.