Environmental Rules in Edmonds, WA (2026)
5 verified environmental rules for Edmonds, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Edmonds regulates stormwater runoff from construction and development under ECDC 18.30, the city's Stormwater Management chapter. Any project disturbing 7,000 square feet of land or adding 2,000 square feet of new or replaced hard surface must submit a stormwater site plan meeting the state's 2019 Stormwater Management Manual for Western Washington, administered by the public works and utilities director.
Edmonds Stormwater Management Requirements
Some RestrictionsEdmonds Community Development Code §§ 18.30.030(B), 18.30.060(C)(1)(b)
This chapter applies to the following actions on sites that discharge to the city’s MS4 or discharge to waters of the state whether or not a city-issued permit is required: 1. Land-disturbing activity; or 2. Creation of new hard surfaces; or 3. Replacement of existing hard surfaces; or 4. Conversion of pervious surfaces; or 5. New connections to the city’s MS4; or 6. Any other actions that can ...
Erosion Control
Edmonds requires a construction stormwater pollution prevention plan (SWPPP) under ECDC 18.30.060(D)(2) for any project adding 2,000 square feet or more of new plus replaced hard surface, disturbing 7,000 square feet or more of land, or demolishing a structure with 2,000 square feet of hard surface. Between October 1 and April 30, the city further restricts clearing and grading unless erosion and sediment controls are demonstrated to hold silt-laden runoff on site.
Edmonds Construction Erosion & Sediment Control
Some RestrictionsEdmonds Community Development Code § 18.30.060(D)(2)(a)(ii), (c)
A construction SWPPP is required for all projects which (A) result in 2,000 square feet or more of new plus replaced hard surface area, (B) where a structure with an exterior hard surface area of at least 2,000 square feet is being demolished, (C) which disturb 7,000 square feet or more of land, or (D) when the site falls within the earth subsidence landslide hazard area, landslide hazard area ...
Flood Zones
Any construction or development within an Edmonds special flood hazard area needs a floodplain development permit before work begins, covering all structures, including manufactured homes, and all development activity such as fill, grading or paving, administered by the building official as floodplain administrator.
Edmonds Floodplain Development Permit
Some RestrictionsEdmonds Community Development Code §§ 19.07.010(A), 19.07.025(A)(1)
A. Lands to Which This Chapter Applies. This chapter shall apply to all special flood hazard areas within the boundaries of the city of Edmonds. ... ... A. Establishment of a Development Permit. 1. Development Permit Required. A development permit shall be obtained before construction or development begins within any area of special flood hazard established in ECDC 19.07.010. The permit shall b...
Boat Dock Permits
Edmonds regulates private docks, piers and floats through its Shoreline Master Program. A single-family dock is a water-dependent use but must meet strict height, length, width and setback limits, and most residential docks worth $2,500 or less in Puget Sound are exempt from the standard shoreline substantial development permit.
Edmonds Boat Dock and Pier Permit Rules
Some RestrictionsEdmonds Community Development Code § 24.50.030
A. Applicability. ... Docks are fixed structures floating upon water bodies. Piers are fixed, pile-supported structures. Floats are floating structures that are moored, anchored, or otherwise secured in the water that are not connected to the shoreline. Docks, piers, and floats that serve four or fewer boats regularly moored are reviewed a recreational facilities. Proposals for five or more boa...
Flood Elevation Requirements
Edmonds requires two feet of freeboard above the base flood elevation for buildings in a Coastal High Hazard Area or Coastal A Flood Zone, and one foot of freeboard for manufactured homes anywhere in a mapped flood hazard area, enforced through the city's amended building and residential codes.
Edmonds Base Flood Elevation Freeboard
Some RestrictionsEdmonds Community Development Code §§ 19.07.030(C), 19.07.090(A)
C. Section 1612.4.1, Lowest Floor Elevation, is added and reads:For buildings in all structure categories located in the Coastal High Hazard Areas and Coastal A Flood Zones, the elevation of the lowest floor shall be a minimum of two feet above the base flood elevation, as determined from the applicable FEMA flood hazard map. ... ... A. All manufactured homes to be placed or substantially impro...
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County ordinances apply to unincorporated areas and may supplement Edmonds city rules.
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