The City Arborist Program issues permits to remove or impact regulated trees. On private property, the City regulates three classifications of trees: 8- to 18-inch diameter, Protected Trees, and Heritage Trees. 

Levels of Tree Ordinance Protection Graphic

Trees on Residential Property 

Learn about regulated trees and the tree review process on residential property. 

Trees on Commercial and Multifamily Property 

Learn about regulated trees and the tree review process on commercial and multifamily properties and projects that require a Site Plan. 

Dead, Diseased, and Imminent Hazard Trees 

Apply for a permit to remove a tree that is dead, diseased, or an imminent danger to people or property. 

Report a Tree Violation 

What to do if you suspect unpermitted activity is impacting regulated trees near you. 

Tree Terms Glossary 

We define some of the commonly used — though not commonly understood — terms in tree preservation and permitting.