Schedule
Construction is tentatively scheduled to begin in spring of 2026.
Tree Inspection Results
Environmental Services recently completed tree root inspections along SE 51st Avenue. This investigation helped engineers determine how nearby tree roots interact with the roadway and underground utilities.
Based on the inspection results, three trees will need to be removed as part of construction:
- Two large sweetgum trees in front of one property.
- One smaller tree on the adjacent property that is in poor condition and conflicts with installation of a new sewer service connection.
The inspection showed that the roots of the sweetgum trees are closely intertwined with the roadway structure and underground utilities. Because the street must be excavated and reconstructed to install the new sewer pipe, the trees cannot be safely preserved.
Environmental Services understands that trees are important. The decision to remove the trees was not made lightly. Our team explored options to preserve the trees, but the root conditions and required construction work make removal necessary.
Both affected property owners have been notified.
Tree Replacement
Two new street trees will be planted in the public right-of-way at no cost to the adjacent property owner. Environmental Services and Urban Forestry are working with the property owner to select the appropriate trees that are approved for locations with high-voltage power lines.
Street Restoration Improvements
As part of this project, Environmental Services will repave SE 51st Avenue curb-to-curb in the area where construction occurs. The existing pavement will be removed and replaced with new asphalt across the full width of the street to restore the roadway after sewer installation.
Construction Timeline
Construction may begin as soon as May 2026, depending on final design and contractor scheduling. Before construction begins, Environmental Services will send additional information with details about schedule, traffic and parking impacts, and access to homes and driveways.
What to Expect
- Work hours: Monday through Friday, 7:00 a.m. to 6:00 p.m. A Noise Variance has been approved for work on SE 51st Ave and SE Division Street, which will allow work outside of these hours.
- Brief periods of noise, dust, and minor vibration during drilling
- Temporary removal of on-street parking within the work area
- Driveway access will be maintained, though short delays may occur
We appreciate your patience as we complete this important infrastructure work.
Stay Informed!
Environmental Services will inform residents and businesses about project activities and respond to questions and concerns in a timely manner. We encourage you to:
- Visit the project webpage at portland.gov/bes/SE51stAve
- Sign up to receive email or text message updates at portland.gov/bes/signup. You can also sign up to receive information on other projects and topics.
- With questions or comments, please contact Debbie Caselton by email at Debbie....@portlandoregon.gov or phone at 503-823-2831.
- If you have a question or concern, please be sure to include your name, property address, and project name (SE 48th Ave) in your voicemail and email.
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Sewer Emergency or Odor Concern: Call 503-823-1700 The City Maintenance hotline is staffed all hours, all days (24/7).
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