closed🌐 City of SeattlePW#2025-029
Seattle City Hall Plaza Waterproofing Replacement
City of Seattle / Public Works
Description
Project Description: The work includes the removal and replacement of the existing waterproofing membrane, associated paving, and landscaping elements at the elevated plaza. Energy upgrades are not included in this bid. The project will be delivered in three (3) construction phases occurring over calendar years 2026-2027 to maintain site functionality and manage operational impacts. The work also includes the installation of one (1) new flagpole on the elevated plaza Upon completion of all construction activities, the plaza shall be fully restored to its original appearance. Engineer's Estimate: $6,864,865.00 Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104
Details?
- Posted
- Mar 20, 2026
- Response deadline
- May 13, 2026, 9:00 PM UTC
- Status
- closed
- Buyer
- City of Seattle
- Department
- Public Works
- Jurisdiction
- City of Seattle
- Reference #
- PW#2025-029
- Summary
- Project Description: The work includes the removal and replacement of the existing waterproofing membrane, associated paving, and landscaping elements at the elevated plaza. Energy
- Government Code
- seattle
- Government Organization State
- WA
- Government Organization Website
- http://seattle.gov/
- Government Organization Zip Code
- 98104
- Government Organization Address1
- 700 5th Ave
- Government Organization Country Code
- US
- Close Out Reason
- All bids rejected per previous notification
- Closed Substatus
- other
Contact
(206)684-3000
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