Planning

News & Announcements

2026 Oswego Lake Draw-Down

Lake Oswego Corporation (Lake Corp) will begin the next lake draw-down on October 15, 2026.

File building permit applications for lake-down projects early, to ensure that you receive a permit in time.

 Read More about 2026 Oswego Lake Draw-Down
PP 24-0006: Tree Regulation 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.

 Read More about PP 24-0006: Tree Regulation Amendments
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.

 Read More about PP 25-0005: Foothills District Plan Update
Oregon Senate Bill 1537

Adjustments to Standards for Housing Developments

Oregon Senate Bill 1537

 Read More about Oregon Senate Bill 1537
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.

 Read More about Heritage Tree Program
Emerald Ash Borer

Emerald ash borer is a beetle that was first discovered in the U.S. in 2002. While the emerald ash borer has not been detected within the City of Lake Oswego, it has been detected in Clackamas County as well as Washington, Yamhill and Marion Counties. These counties are currently under quarantine. Quarantine prohibits materials from all plant parts of ash, white fringetree, and olive trees from movement outside these counties. 

 Read More about Emerald Ash Borer
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 about Backyard Habitat Certification Program
Historic Preservation Grants and Historic Education Grants

Grant Cycle for Fiscal Year 2025-2026 is Now Open

The City of Lake Oswego is now accepting applications for Historic Preservation Grants and Historic Education Grants.  The information provided below is an overview, additional information can be found in the Grant Guidelines.

 Read More about Historic Preservation Grants and Historic Education Grants
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: planning@lakeoswego.city

Tree removal questions and comments, including Type II Inquiries and comments: trees@lakeoswego.city

View full contact details
Upcoming Events
Request an accommodation

Development Review Commission

Feb 19 2026 - 7:00pm

Planning Commission

Feb 23 2026 - 6:30pm

Public Hearings Officer

Feb 24 2026 - 10:00am

Foothills Opportunities & Constraints Open House

Feb 26 2026 - 6:00pm

Development Review Commission

Mar 2 2026 - 7:00pm

Planning Commission

Mar 9 2026 - 6:30pm
All Events
Planning & Building Services Announcements

Stay informed on our latest news!

Previous issues
Subscribe to Planning & Building Services Announcements feed