Marysville, WA Environmental Rules: Erosion Control (2026)
Key Facts
- Fill/excavation trigger
- 50 cubic yards combined
- Clearing trigger
- over 1,000 sq ft
- Issued by
- city engineering department
- Permit term
- 1 year, extendable 1 year
Summary
Marysville requires a clearing and grading permit before moving 50 or more cubic yards of fill and cut, clearing over 1,000 square feet, or disturbing a sensitive area, issued by engineering for one year.
A clearing and grading permit is required for a project involving any of the following, except as provided for in subsection (2) of this section. ... Fill and/or excavation totaling 50 cubic yards. ... Over 1,000 square feet of clearing, as measured at the ground level. ... The clearing and grading permit shall be issued by the engineering department and shall be effective for one year but may, with cause shown, be extended for an additional one-year period.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4922912; v1 updated 2026-06-08; through 06-08-2026).
Full Breakdown
A clearing and grading permit is required whenever a project involves clearing or excavation in an environmentally sensitive area or buffer, totals 50 or more cubic yards of combined fill and excavation, or clears more than 1,000 square feet at ground level. Exemptions cover agricultural management of existing farmed areas, routine landscape maintenance, emergency work to correct an immediate danger, cemetery graves, and city engineer-approved isolated work with no danger to property. The permit is issued by the engineering department, is valid for one year, and can be extended one additional year for cause; the review fee is set in MMC § 14.07.005.
Violations & Fines
Projects that exceed the fill, excavation, or clearing thresholds without an approved permit are subject to city enforcement and stop-work action; permits that lapse after their one-year term without an extension must be reapplied for before work continues.
Frequently Asked Questions
When does Marysville require a grading permit?
How long is a Marysville grading permit valid?
Sources & Official References
Other rules in Marysville
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Erosion Control in Nearby Cities
How other cities in Snohomish County handle erosion control.