2026 Urban & Community Forestry Workshop Series

The City is pleased to offer a series of free Urban and Community Forestry Workshops for the public. Dates and locations are subject to change. Pre-registration is required and capacity is limited with preference given to Lake Oswego residents. Please visit https://www.ci.oswego.or.us/formslf/PlanningWorkshops or call 503-635-0290 for free registration (unless otherwise specified below).

TREE REMOVAL PERMITS: Permit Types and Recent Code Amendments

Thursday, October 29 from 5:00 to 6:30 p.m. at City Hall (380 A Avenue, Council Chambers, third floor), or sign-up for remote access to view the presentation online
Learn about the City’s tree code requirements for tree removal permits and recent changes to the City’s tree regulations effective as of October 1, 2026. This workshop will explore Lake Oswego Code Section 55.02 Tree Removal, including tree code definitions and criteria for issuance of dead, dying, and Emerald Ash Borer susceptible trees, hazard, emergency, Type I, Discretionary Type II, and Minor Forest Management permits, and demonstrate how to properly complete a Discretionary Track Type II Application Checklist. This workshop is led by Daphne Cissell, Associate Planner in the Planning & Building Services Department, along with the City’s Contract Arborist, Morgan Holen. Pre-registration is required and capacity is limited to 40 participants in-person or select Zoom registration for remote access. This workshop is free and open to Lake Oswego residents, as well as local arborists and other professionals that deal with tree removal permits in Lake Oswego.  Register now!

TREE REMOVAL PERMITS: Clear And Objective Track Type II for Residential Development

Thursday, November 12 from 5:00 to 6:30 p.m. at City Hall (380 A Avenue, Council Chambers, third floor), or sign-up for remote access to view the presentation online
Learn about the City’s Clear and Objective Track Type II tree removal permit regulations effective as of October 1, 2026. This new tree removal permit process only applies to tree removal associated with the construction of one or more new dwelling units or the creation of residential lots. This workshop will explore the relevant code criteria, minimum tree retention requirements, required mitigation and street tree planting, and tree retention deficit fees, and demonstrate how to use the new Tree Inventory spreadsheet template and submit a complete application. This workshop is led by Daphne Cissell, Associate Planner in the Planning & Building Services Department, along with the City’s Contract Arborist, Morgan Holen. Pre-registration is required and capacity is limited to 40 participants in-person or select Zoom registration for remote access. This workshop is free and open to local arborists, builders, developers, architects, and Lake Oswego residents.  Register now!