Below are some examples of the minimum tree size that triggers the requirement to get a permit to remove 1 or more trees in various cities.

City threshold for permits for tree removal:

Annapolis, MD – 5 inches DBH (Diameter Breast Height – 4.5 feet)

Atlanta, GA – hardwood trees – 6 inches DBH; pine trees – 12 Inches DBH

Black Diamond, WA – 6 inches DBH

Cambridge, MA – 8  inches 4 feet above ground

Hunts Point – 6 inches DBH

Issaquah – 6 inches DBH, cottonwood, alder 8 inches DBH

Kenmore –  6 inches DBH

Kirkland, WA – 6 inches DBH (as of 2022)

Lake Forest Park, WA – 6 inches DBH

Lake Oswego, OR – 6 inches DBH

Mercer Island, WA  – 10 inches DBH

Medina, WA  – 6 inches DBH

Miami Beach, Florida – 6 inches DBH

Portland, Oregon – 12 inches DBH

Princeton, NJ – 8 inches DBH

Redmond, WA – 6 inches DBH

Sacramento. CA –

• All native trees at 12 inch DSH*. Native trees include: Coast, Interior, Valley and Blue Oaks, CA Sycamore and Buckeye.
• All trees at 32 inch DSH with an existing single family or duplex dwelling.
• All trees at 24 inch DSH on undeveloped land or any other type of property such as commercial, industrial, and apartments.

Sammamish, WA – conifer tree – 8 inches DBH; deciduous tree – 12 inches DBH

Shoreline, WA – 24 inches DBH (as of 2022)

Toronto, Canada – 12 inches DBH

Vancouver, BC – 20 cm (7.8 inches DBH)

Woodinville. WA – 6 inches DBH