Contact Information
Kristina Lowthian
1055 S Grady Way
Renton, WA 98057

For questions regarding floodplain regulations or development engineering, please contact CED Planning Division at 425-430-7294.

The Federal Emergency Management Agency (FEMA) has converted all flood insurance rate maps into digital flood insurance rate maps. FEMA published preliminary Digital Flood Insurance Rate Maps (DFIRM) in September 2017. The proposed floodplain maps reflect changes to the current effective Federal Emergency Management Agency DFIRM. Within Renton, the floodplain map changes are in the Cedar River valley. The current effective flood hazard information has been retained on the Green River until new flood hazard analysis and mapping is completed. The current flood insurance rate map for the Green River is dated May 16, 1995.

Public Meeting on March 20, 2018

Renton, King County and FEMA held a public meeting and discussed the pending changes to the floodplain maps and provided information on the following topics:

  • Flood study/engineering
  • National Flood Insurance Program regulations and insurance requirements
  • Risk assessment
  • Property identification
  • Digital mapping
  • Formal appeal process

Meeting presentation and handouts:

Property owners had the opportunity to review and provide comments on the preliminary maps.  Comments and appeals were accepted during the 90-day appeal period from April 17, 2018 through July 15, 2018. The Criteria for Appeals describes the criteria that was used for appealing the proposed changes to the Flood Insurance Rate Maps.

Floodplain Maps

2017 FEMA Preliminary Flood Insurance Rate Map

FEMA Preliminary Floodplain Map with panel numbers

To view the entire floodplain study area (Cedar and Green River watersheds), please see FEMA's interactive map.

Additional Resources

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