Landscaping Rules in Mason County, WA (2026)

2 rules for unincorporated Mason County, Washington.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Mason County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Tree Trimming

Mason County's landscaping code for the Shelton urban growth area, Mason County Code § 17.07.894, requires that any required landscaping be kept in a healthy growing condition, with dead or dying trees replaced within thirty days of written county notice, and it flatly bars topping a tree unless the county approves it first.

Tree Topping & Trimming Rules, Mason County

Significant Restrictions

Mason County Code § 17.07.894

Whenever landscaping is required under the provisions of this chapter, landscaping and planting areas shall be maintained in a healthy growing condition. Dead or dying trees or shrubs shall be replaced within thirty days of notification in writing from the county, and the planting area shall be maintained reasonably free of weeds and trash. Topping of trees is prohibited unless prior approval ...

Full ordinance details →Official source ↗

Tree Removal & Heritage Trees

In critical area buffers across unincorporated Mason County, MCC 8.52.170(4)(B) lets landowners fell danger trees without a full habitat management plan, but only after describing the hazard in writing and getting the county administrator's approval. If the administrator does not respond within ten business days, the removal is automatically allowed, and replacement native trees are required.

Mason County WA Danger Tree Removal Permit Rule

Significant Restrictions

Mason County Code § 8.52.170(4)(B)

(B)Danger Trees (Felling Of). The felling of danger trees is allowed within buffers without a habitat management plan provided the following conditions are met:(i)When it is demonstrated to the satisfaction of the administrator that an imminent threat exists to public health or safety, or the safety of private or public property. Landowner shall provide to the administrator a written statement ...

Full ordinance details →Official source ↗

All Mason County ordinances

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