Sumner approves utility-rate increases and updates system development charges for 2026

Nov 18, 2025

Sumner City Council unanimously adopted ordinance 2947 raising utility rates approximately 5.7% in 2026 (and ~5.6% in 2027 on average) and ordinance 2948 updating system development charges effective Jan. 1, 2026; staff said increases fund deferred maintenance and prevent larger future spikes.

The full story

The Sumner City Council on Nov. 17 adopted two ordinances adjusting utility charges: ordinance 2947 increases retail utility rates for 2026 and 2027, and ordinance 2948 updates system development charges (SDCs) and shifts the inflation-adjustment effective date to Jan. 1.

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