Bellevue vs Renton
How do flood zones rules compare between Bellevue, WA and Renton, WA?
Bellevue and Renton have similar restriction levels.
Bellevue, WA
King County
Bellevue regulates development in FEMA Special Flood Hazard Areas under LUC 20.25H.150. Properties near Kelsey Creek, Coal Creek, and Lake Washington shoreline may require elevation and floodplain permits.
View full Bellevue rules →Renton, WA
King County
Renton participates in the NFIP and enforces RMC 4-3-050 floodplain regulations in FEMA Zone AE along the Cedar River and Black River. New construction in the floodplain must meet elevation and floodproofing standards.
View full Renton rules →Key Facts Comparison
| Fact | Bellevue | Renton |
|---|---|---|
| - | - | |
| Authority | - | NFIP and RMC 4-3-050 |
| Main flood zones | - | Cedar River, Black River corridor |
| Elevation requirement | - | 1 foot above BFE freeboard |
| Floodplain permit | - | Required for fill, development |
| Insurance | - | Required for federal mortgages in SFHA |
Highlighted rows indicate differences between cities.
Bellevue FAQ
Renton FAQ
How do I find out if my property is in a Renton flood zone?
Check the FEMA Flood Map Service Center at msc.fema.gov or contact Renton CED for a determination and map review.
Can I build an addition in the floodplain?
Yes, but it must be permitted as floodplain development, meet elevation and compensatory storage rules, and may be restricted if it constitutes a substantial improvement.
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