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SUBJECTSLEGAL › Annexation
Updated 05/07

Annexation

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Introduction to Annexation in Washington

Statutory annexation procedures over the past few years have been in a state of flux.  On May 16, 2003, the Governor signed SSB 5409, which adopts a new petition method of annexation designed to overcome what the state supreme court decided in Grant County Fire Protection Dist. v. Moses Lake, 145 Wn.2d 702 (2002), were constitutional defects in the "old" petition method in RCW 35.13.125 -35.13.130 and RCW 35A.14.120.  For further information, see Muncipal Annexation under the New Petition Method.  However, in response to motions for reconsideration, the state supreme court on January 29, 2004 completely reversed its earlier decision and held the "old" petition method to be constitutional.  See Grant County Fire Protection Dist. v. Moses Lake, 150 Wn.2d 791 (2004).

The basic methods by which cities may now annex territory are: the new petition method in SSB 5409 (now codified in RCW 35.13.410-.460 and RCW 35A.14.420-.450), which requires support of property owners representing a majority of the area propsed for annexation and of a majority of the voters in the area; the "old" petition method, which requires approval from owners of property representing a certain percentage of the assessed value of the proposed annexation area; and the election method, which requires approval of the voters in the proposed annexation area.  Although there are two other methods of annexation - municipal purpose annexations and annexations of "islands" of unincorporated territory - they are available only in limited circumstances.

The methods by which cities may annex territory are governed strictly by state law, and they vary somewhat by city classification. Cities and towns located in counties that plan under the Growth Management Act may only annex property that is located within their designated urban growth areas.

The 2007 legislature passed some significant legislation that changes when cities recieve property tax revenues when they annex territory within a fire protection or library district.  Under SB 5836 (Ch. 285, Laws of 2007), when a city annexes territory within a fire protection or library district, it will now begin receiving, as of the date of annexation, the district-levied property tax revenues that are not delinquent but have not yet been collected by those districts within the annexed territory.  For more information on this legislation, see "New Legislation Changes When Cities Receive Property Tax Revenues After Annexation of Territory in a Fire or Library District."

MRSC has produced an Annexation Handbook (last updated November 2004) that outlines the pro and con arguments for annexation, consequences of annexation, reviews the methods for annexation, and discusses the role of boundary review boards in annexation process.

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