Alimony in Seattle: how it is calculated
Alimony in Seattle follows Washington law, not a local rule — the same statute applies whether the case is filed in King County or anywhere else in the state. Here is what that formula produces, and where a Seattle case is actually heard.
Where a Seattle case goes
A divorce filed in Seattle is heard by the Washington court for King County. The judge applies the state statute below; the county sets the filing procedure, not the amount. Seattle has about 780,995 residents (Census Bureau, 2024 estimate).
Open the full Washington alimony calculator → — same formula, with every input, the statute (RCW 26.09.090) and the date it was last checked.
Formula
No statutory formula — courts weigh factors (rule-of-thumb estimate shown)
Type
Discretionary (case by case)
Does Seattle have its own rule?
No. RCW 26.09.090 applies across Washington, so a case from Seattle is decided by the same numbers as one filed anywhere else in the state. What changes locally is the courthouse, the clerk's procedure and how long the docket takes — not the amount.
What the statute says
RCW 26.09.090 — Washington spousal maintenance factors.
Last checked 2026-09-02. Read the source →
Also for Seattle
Other Washington cities
Spokane · Tacoma · Vancouver · Bellevue · Kent · Everett · Spokane Valley · Renton · Federal Way · Yakima · Bellingham · Kirkland
Everything StateTally tracks for Washington → · Alimony in every city →