Downtown Utility Improvement Project

Contact Information
Utility Systems Division Engineering Team
Renton, WA 98057

The City of Renton is currently designing improvements for water, sewer and stormwater utilities in the core of downtown Renton.

Click image to open a larger image of the project mapUtility upgrades are needed at this time due to a combination of underground pipes being past their useful life, poor condition, lack of capacity and /or costly maintenance requirements.

Improvements will address current and support future development needs within the downtown core. This project precedes future improvements which will improve intersections, replace signals, and convert South Second Street and South Third Street to two-way operations.

This project adds approximately 5,600 LF of new stormwater pipes, 8,000 LF of new and cure-in-place sanitary sewer pipes, and 3,300 LF of new water lines along the following streets:

  • South Second Street
  • South Third Street
  • Mill Avenue South
  • Morris Avenue South
  • Whitworth Avenue South and Shattuck Avenue South

It also includes the installation of a vault at the intersection of SW Sunset Boulevard and Rainier Avenue South along the existing concrete stormwater box culvert in order to facilitate access for maintenance and rehabilitation. Visit the Renton Downtown Utility Improvement project map to view the utility pipe lay-out of the project. Additionally, this project requires, where impacted by new utilities, the replacement of curbs, gutters, sidewalks and ramps.

Utility improvements are currently being designed, with construction planned to begin in late summer/early fall 2020. Construction will occur street-by-street and is anticipated to take place over a period of 12-18 months. This work is the first in a series of improvements for downtown streets. Additional street reconfiguration and streetscape improvements will be made in future years as funding is secured.

Related Downtown Projects

TheSouth Wells Avenue and South Williams Avenue Conversion Project is under a separate contract but will likely be conducted in the same timeframe. This project will improve intersections, add new signals, and convert both streets to two-way operations.

The adopted Civic Core Action Plan explores ways to pedestrian and bicyclists facilities and enhancements, traffic operation and circulation improvements to Downtown. The improvements include adding raised intersections with bulb outs, lighting, street furniture, streetscape, bike racks, signage, wayfinding and street conversions.

Click image to open a map of the downtown utility improvement project

We are interested in gathering information from businesses and residents that will help us be good neighbors during construction and minimize construction impacts.

Please fill out our survey!

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