Wash. Rev. Code § 84.55.030
For the first levy for a taxing district following annexation of additional property, the limitation set forth in RCW 84.55.010 must be increased by an amount equal to the aggregate assessed valuation of the newly annexed property as shown by the current completed and balanced tax rolls of the county or counties within which such property lies, multiplied by the dollar rate that would have been used by the annexing unit in the absence of such annexation, plus the additional dollar amount calculated by multiplying the regular property tax levy rate of that annexing taxing district for the preceding year by the increase in assessed value in the annexing district resulting from:
RCW 84.55.030
Effective date- 2023 c 354 : See note following RCW 39.114.010.
Application- 2014 c 4 : See note following RCW 84.55.010.
Severability-Effective dates and termination dates-Construction-1973 1st ex.s. c 195: See notes following RCW 84.52.043.
Savings-Severability-1971 ex.s. c 288: See notes following RCW 84.40.030.