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Tree Ordinance

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Tree Ordinance
Tree Protection is Required During Development

The City of Tigard protects trees through ordinances, policy, plan review and various other tree regulations. Tigard's regulated trees exist on both public and private property. The following are links to City of Tigard tree-related codes and policies. Contact Tigard's City Arborist, Todd Prager, at 503-718-2700 or email todd@tigard-or.gov for additional information.

Tree Regulations on
City of Tigard Property

Trees on City Property (Section 9.06)

Tree Management on City Property

Street Tree Planting (Section 9.06.030)

Street Tree Planting Guidelines (Section 18.745.040.C)

Street Tree Removal (Section 9.06.070.2)

Additional Regulations Affecting Street Trees (Section 18.745.030 and 18.745.040D-H)

Tigard's Street Tree List

Heritage Tree Designation, Maintenance and Removal Requirements (Section 9.08)

Illegal Tree Removal (affects both developing and developed properties) (Section 18.790.060)

Tree Regulations for Developing and Developed Properties

General Code Section Affecting Landscaping and Screening Trees (Section 18.745)

General Code Section Affecting Tree Removal (Section 18.790)

Buffering and Screening (with trees) Requirements for Developing Properties (Section 18.745.030)

Buffering and Screening (with trees) Requirements for Developing Properties in the Tigard Triangle (Section 18.620.070)

Buffering and Screening (with trees) Requirements for Developing Properties in the Washington Square Regional Center (Section 18.630.090)

Adjustment to Landscaping Requirement (to use existing trees as street trees) (Section 18.370.020.C.6)

Additional Regulations Affecting Buffering and Screening Trees (Section 18.745.030)

Tigard's Street Tree List

Tree Plan Requirement for Developing Properties (Section 18.790.030)

Typical Tree Protection Conditions for a Developing Property

Tree Removal in Sensitive Lands (affects both developing and developed properties) (Section 18.790.050)

Removal Requirements for Deed Restricted Trees (affects developed properties) (Section 18.790.040.B)

Heritage Tree Designation, Maintenance and Removal Requirements (Section 9.08)

Illegal Tree Removal (affects both developing and developed properties) (Section 18.790.060)

Urban Forestry Code Revisions

Urban Forestry Master Plan

Tree Planting

	Street Tree Planting
	Underground Utilities
	Landscape Tree Planting on Commercial or Industrial Properties
	Landscape Tree Planting for New Developments
	Landscape Tree Planting on City Property
	Mitigation Tree Planting

Tree Removal

	Street Tree Removal Requirements
	Tree Removal from City Property
	Tree Removal Requirements for Trees Planted as a Condition of Development Approval
	Tree Removal in Sensitive Lands Areas
	Tree Removal on Developing Properties
	Deed Restricted Tree Removal
	Heritage Tree Removal
	Illegal Tree Removal
	Tree Protection During Development
	Helpful Tree Protection Links
	Links to find a Certified Arborist