Planning

News & Announcements

2026 Tree Code Updates

New regulations take effect October 1, 2026

Read More Changes to Type II Notice and Appeal Process for Clear and Objective Track

New State Law Changes Process for Tree Removal Permits for Residential Development
State law now requires the City to use a different public notice and appeal process for tree removal permits tied to new housing reviewed under the Clear & Objective review track (no variances requested).

Read More 2026 Oswego Lake Draw-Down

Lake Oswego Corporation (Lake Corp) will begin the lake draw-down on October 1, 2026. If you are planning work on lake structures while water levels are lowered, now is the time to prepare building plans and permit applications.

Read More LU 26-0014 Tree Code Amendments

The City is updating its tree regulations to implement recommendations from the Urban and Community Forestry Plan. The project will make targeted updates to the Tree Code and Community Development Code (CDC) to align with best practices, support long-term urban forest sustainability, and meet state law requirements. Visit the project page to learn more and sign up for email updates.__PRESENT

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Read More PP 25-0005: Foothills District Plan Update

The City of Lake Oswego is updating the Foothills District Framework Plan, which outlines how the Foothills neighborhood—located between downtown and the Willamette River—should grow and change over time. View the project page for more information and to sign up for email updates.__PRESENT

Read More Oregon Senate Bill 1537

Adjustments to Standards for Housing Developments

Oregon Senate Bill 1537

Read More Heritage Tree Program

NEW! Heritage Tree Preservation Grants: To support the long‐term preservation of designated Heritage Trees, the City is offering grants to assist property owners with costs of Heritage Tree care and maintenance services performed by qualified tree care specialists. Heritage Tree Preservation Grant funding may be used to diagnose, treat, manage and care for designated Heritage Trees. Download the application form for more information.

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Read More Backyard Habitat Certification Program

The Backyard Habitat Certification Program provides technical assistance and incentives to Lake Oswego residents who wish to restore native wildlife habitat in their backyards. Participants are guided through three levels of habitat restoration: silver, gold, and platinum.

Read More Quick Links Interactive Zoning Map City Code Trees Adjustments for Housing Planning Application Forms Handouts and Guides Code Enforcement Business Assistance Contact Information

REGULAR HOURS

Walk in Customer Hours:
Mon- Fri 8:00 a.m. - 12:00 p.m.
No new applications will be received after 11:30 a.m.

Note: Planners are available by phone
M-Tu 8:00 a.m. - 5:00 p.m.
W 8:00 a.m. - 2:30 p.m.  
Th-Fri 8:00 a.m. - 5:00 p.m. 

Location: 2nd Floor, City Hall, 380 A Avenue, Lake Oswego, 97034

Mailing Address: PO Box 369, Lake Oswego, OR 97034

Phone: (503) 635-0290
Fax: (503) 635-0269

Email: [email protected]

Tree removal questions and comments, including Type II Inquiries and comments: [email protected]

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View full contact details Upcoming Events Request an accommodation

Planning Commission

Oct 12 2026 - 6:30pm

Foothills Community Advisory Committee (CAC) - 8th Meeting

Oct 13 2026 - 6:00pm

Historic Resources Advisory Board

Oct 14 2026 - 6:00pm

Development Review Commission - Virtual

Oct 19 2026 - 6:30pm

Code Audit (TAC) Technical Advisory Meeting #1

Oct 26 2026 - 3:00pm

Planning Commission

Oct 26 2026 - 6:30pm

All Events Planning & Building Services Announcements

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