Retaining Walls: Everett vs Lynnwood
How do retaining walls rules compare between Everett, WA and Lynnwood, WA?
Everett and Lynnwood have similar restriction levels.
Everett, WA
Snohomish County
Everett requires permits for retaining walls above a certain height, typically 4 feet. Engineering review may be required for taller walls.
View full Everett rules →Lynnwood, WA
Snohomish County
In unincorporated Snohomish County, a retaining wall up to four feet high (measured from the bottom of the footing to the top of the wall) is exempt from a building permit unless it supports a surcharge. Walls over four feet, or supporting extra load, need a permit.
View full Lynnwood rules →Key Facts Comparison
| Fact | Everett | Lynnwood |
|---|---|---|
| Permit Free | Up to 4 feet typically | - |
| Engineering | Required over 4 feet | - |
| Setbacks | Apply near property lines | - |
| Drainage | Must be addressed | - |
| Permit-exempt wall height | - | 4 feet or less |
| Height measured from | - | Bottom of footing to top |
| Surcharge walls | - | Always need a permit |
| Fence atop wall | - | Measured on uphill side |
| Code sections | - | SCC 30.50.103, 30.28.040 |
Highlighted rows indicate differences between cities.
Everett FAQ
Do I need a permit for a retaining wall?
In Everett, walls over 4 feet typically require a building permit and engineered plans. Shorter walls may be exempt.
How close to the property line can I build a retaining wall?
Setback requirements vary. Check Everett zoning code for specific distances from property lines.
Lynnwood FAQ
How tall can a retaining wall be without a permit?
Up to four feet, measured from the bottom of the footing to the top of the wall, unless it supports a surcharge or impounds regulated liquids.
How is fence height measured on a retaining wall?
Under SCC 30.28.040(2), where a fence sits on top of a retaining wall, fence height is measured on the uphill side.
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