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Council adopts permanent FEMA-aligned floodplain regulations after multi-year process

Seattle City Council · March 24, 2026
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Summary

Seattle’s City Council approved permanent floodplain regulations to align with updated Federal Emergency Management Agency maps and requirements after a six-year process and committee review; the measure passed unanimously.

The Seattle City Council voted unanimously on March 24 to adopt permanent floodplain regulations designed to bring the city into compliance with updated Federal Emergency Management Agency (FEMA) maps and regulations.

Council member Lynn, speaking as chair of the Land Use and Sustainability Committee, described the work as a six-year process with numerous interim extensions and said the Seattle Department of Construction and Inspections engaged affected parties — including the Port of Seattle and industrial and waterfront owners — during the development of permanent rules.

"This legislation is necessary to comply with updated FEMA floodplain maps and regulations," Lynn said on the floor, and committee members said remaining concerns were addressed before committee approval.

The clerk read the committee recommendation and the council approved the bill on a roll-call vote of 8–0. The chair signed the bill on the council floor.