Seattle City Hall (SCH) Roof and Windows Replacement

Location: Washington
Posted: Aug 26, 2026
Due: Sep 23, 2026
Agency: City of Seattle
Type of Government: State & Local
Category:
  • 53 - Hardware and Abrasives
Solicitation No: PW#2026-011
Publication URL: To access bid details, please log in.


Project ID: PW#2026-011

Title: Seattle City Hall (SCH) Roof and Windows Replacement

Addenda: 0

Release Date: 8/26/2026

Due Date: 9/23/2026

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Seattle City Hall (SCH) Roof and Windows Replacement
Public Works
236 , 238
Project ID: PW#2026-011
Release Date: Wednesday, August 26, 2026
· Due Date: Wednesday, September 23, 2026 2:00pm
Posted Wednesday, August 26, 2026 9:14am
All dates & times in Pacific Time - Los Angeles
Draft Response Events RSVP No Bid27 days, 19 hours, 54 minutes


Post Information

Posted At:Wed, Aug 26, 2026 9:14 AM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No
Overview


Summary

Project Description: The project consists of reroofing and related building envelope improvements at Seattle City Hall, including green roof replacement, waterproofing, roof drainage repairs, curtain wall window panels replacement, installation of fall protection and bird deterrent systems, and associated maintenance improvements necessary to restore and extend the service life of the facility.

Engineer's Estimate:

Base Bid: $4,552,000.00

Bid Alternate #1 Surface Applied Glaze: $28,721.00

Bid Alternate #2 Waterproof Membrane Augmentation; RT-3: ($48,332.00)

Bid Alternate #3 New PVC Roofing Membrane; RT-4: $150,673.00

Bid Alternate #4 New PVC Roofing Membrane; RT-5: $72,758.00

Project Location: Seattle City Hall 600 4 th Ave, Seattle, WA 98104



Background

This Project is a Covered Project subject to the City of Seattle’s Community Workforce Agreement (CWA) and Priority Hire SMC 20.37. With the support of the mayor and City Council, the City of Seattle administers programs that support racial and economic equity through contracting. Priority Hire is one of these programs. Priority Hire provides people living in economically distressed communities, women, and people of color access to work on the city’s construction projects. It gives contractors access to these skilled workers.

For purposes of the Inclusion Plan, this is considered a Roofing type of project with a Past Performance of PERCENT 15% WMBE utilization rates based on completed projects. For questions on the Inclusion Plan, please contact Miguel Beltran at Miguel.Beltran@seattle.gov or 206-684-4525. Back-up contact is Carmen Kucinski at Carmen.Kucinski@seattle.gov or 206-684-0188.



Timeline

Release Project Date:
August 26, 2026
Pre-Bid Meeting #1 (Mandatory for bidders to attend at least one of the 3 pre-bid meetings) (Mandatory):
September 2, 2026, 12:00pm
This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk.

Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104.

Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.
Pre-Bid Meeting #2 (Mandatory for bidders to attend at least one of the 3 pre-bid meetings) (Mandatory):
September 8, 2026, 11:00am
This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk.

Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104.

Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.
Pre-Bid Meeting #3 (Mandatory for bidders to attend at least one of the 3 pre-bid meetings) (Mandatory):
September 10, 2026, 11:00am
This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk.

Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104.

Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.
Question Submission Deadline:
September 17, 2026, 5:00pm
Bid Open Date:
September 23, 2026, 2:00pm
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