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Edmonds, WA

Edmonds Starts Yost Reservoir Repairs; Council Extends Landmark Tree Rule and Sets Westgate Zoning

Edmonds, Washington, has started repairs and upgrades to the underground Yost Reservoir beneath Yost Park, with Seaview Reservoir to follow in 2027, after the City Council extended its interim landmark tree ordinance and approved permanent zoning for four Westgate parcels.

By Morningline Research · November 3, 2026

Construction crews are moving into Yost Park in Edmonds, Washington, this week. The City of Edmonds is repairing and upgrading the Yost Reservoir, one of two underground water storage tanks the city plans to rebuild over the next two construction seasons, My Edmonds News reported.

The city began draining the reservoir on Monday, Oct. 26. The contractor was set to start bringing equipment and materials to Yost Park on Nov. 2.

Two reservoirs, two seasons

The project comes in two phases:

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Yost Reservoir sits under the park's pickleball and tennis courts, so both courts are closed during construction. When the reservoir work is done, a new replacement sport court is set to be installed and open in spring 2027.

The city said neighbors should expect construction noise and more contractor trucks and equipment near the work area. Draining the tank may stir up sediment, and residents in the Bowl and downtown are the most likely to see temporary discolored tap water. The city said it will post updates if road access, traffic or water service is affected.

Tree rule extended again

At its Oct. 13 meeting, the Edmonds City Council voted unanimously to extend the interim ordinance on removing landmark trees for up to six more months, according to My Edmonds News' council report. A landmark tree is one measuring 30 inches or more across at 4.5 feet above the ground. Trees already vested through the permit process, and trees found to be hazardous or a nuisance, are exempt.

The extension gives city staff more time to finish a permanent tree code, a topic that has been debated in Edmonds for several years. Councilmember Chris Eck said the city should "spend the time right now [on the tree code] and invest it and get it as right as we possibly can." Staff are expected to bring their next plan back to the council this month.

Westgate zoning made permanent

The same night, the council approved permanent land use and zoning for four Westgate parcels that were left out of the 2024 Comprehensive Plan update and had been under interim zoning since last October. The Planning Board had voted 6-0 for the Neighborhood Centers and Hubs designation and 5-1 to extend the ground-floor commercial requirement along Edmonds Way, without wrapping it onto 102nd Place West.

The council also adopted an interim ordinance for short plat vacations, since state law requires a process and Edmonds did not have one.

Yost Pool upgrades

Separately, the council approved a 10-year operating agreement that hands day-to-day operations of Yost Pool to the swim club that uses it. Parks Director Angie Feser said the deal "allows Cascade to make capital improvements to the pool that they've been asking for for years."

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