Wastewater Treatment Facility Roof Repairs and Replacements

King County, Washington is seeking sealed bids for a not-to-exceed $3 million contract covering roof repairs and replacements for Wastewater Treatment Division facilities.

King County > Procurement and Payables Section > Wastewater Treatment Division


General
Open
KC001722
Sep 28, 2026 08:30 PM
Sep 14, 2026 12:00 PM
$3,000,000.00
Small Business
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Original Solicitation Links
Submission Instructions
Description

King County is soliciting sealed bids for a work-order contract to furnish all labor, tools, equipment, materials, incidentals, supervision, subcontractor coordination, and overhead required for roof repairs and replacements within its Wastewater Treatment Division. Work may include coating, caulking, cleaning, skylight replacement, flashing, three-coursing, seam and tear repair, and repairs to single-ply, hot modified built-up, torch-applied, cold-applied, composition, green, tile, and metal roofing systems. Roof replacement work includes preparation of existing roof decks and flashing substrates, followed by installation of vapor barriers, insulation, cover boards, and membranes. The contract has a not-to-exceed price of $3,000,000, includes a 15% minimum apprentice utilization requirement, and requires at least 7% participation by King County Certified Small Contractors and Suppliers.

Classification Codes
NAICS238160Roofing Contractors
PSCZ2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS
Smart Codes
roof replacementroof repairroof waterproofing
Specifications
Supply & Service
Yes
Timeline
Sep 28, 2026 08:30 PM-Bid Due Date
Documents
'Roofing Contractors' Opportunities
TORO Metal Roof Installation

The Town of Charlestown is seeking a contractor to install a Town-supplied 35-by-40-foot TORO metal ...

Due in 3 daysTown of Charlestown
Replace Roofing System

The State of Illinois is seeking a contractor to replace the roofing system at the Revenue Building ...

State of Illinois
Partial Roof Replacement

Tawas Area Schools is seeking certified contractors to install a new Duro-Last roof system in Areas ...

Due in 10 daysTawas Area Schools
Mt. Juliet Community Center Roof Replacement

The City of Mt. Juliet is seeking sealed bids to replace the Mt. Juliet Community Center roof using ...

Due in 3 daysCity of Mount Juliet > Finance Department
Residential Roof Replacement

The City of Bay City is seeking sealed bids for residential roof replacement under Bid #27-0923.

Due in 3 daysBay City
Instrument House Roof Replacement

Sacramento Regional Transit District is seeking bids to remove and replace the roofing system at its...

Due in 4 daysSacramento Regional Transit District
Healthcare Facility Flat Roof Replacement

Sante Quebec des Iles is seeking a construction contractor to remove ballast and replace approximate...

Due in 5 daysQuebec > CISSS des Îles
Building 33 Roof Replacement

The United States Department of the Army is seeking a small business to replace the POL Operations r...

Due in 9 daysUnited States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W7NE USPFO ACTIVITY MAANG 104 (USPFO MA PROCUREMENT)
Bellmont High School Roofing Replacement

North Adams Community Schools is seeking sealed bids for a unified 2026 roofing replacement project ...

Due in 12 daysNorth Adams-Jerome Public Schools
Academy of Exploration Storm-Damage Roof Replacement

Springfield Public Schools is seeking all labor and materials to replace the storm-damaged roof syst...

Due in 5 daysThe School District of Springfield R-12
Partial Roof Replacement

Tawas Area Schools is seeking certified contractors to install a new Duro-Last roof system for Areas...

Due in 10 daysTawas Area Schools
Roof Replacement Project at Forest Edge Elementary School

Fairfax County Public Schools is seeking a prequalified contractor to furnish labor, materials, equi...

Due in 10 daysFairfax County Public Schools > Department of Facilities and Capital Programs > Office of Facilities Management
Roofing Contractors Prequalification – Category B

West Ada School District is seeking qualified public works roofing contractors for a five-year prequ...

Due in 9 daysWest Ada School District
Diablo Homes Roof Repairs and Replacement

The Housing Authority of the County of San Joaquin is seeking licensed contractors to repair, replac...

Due in 29 daysHousing Authority of the County of San Joaquin
High Desert State Prison Building 352 Roofing Materials

The California Department of Corrections and Rehabilitation is seeking bids for a complete roofing s...

Due in about 2 monthsCalifornia > Department of Corrections and Rehabilitation
Pinney Residence Hall Roof Replacement

Western Connecticut State University is seeking a contractor to provide all labor and materials for ...

Due in 16 daysWestern Connecticut State University
Salt Fork North Elementary Roof Replacement

Salt Fork Community Unit School District #512 is seeking contractors for a partial roof system repla...

Due in 23 daysSalt Fork Community Unit School District #512
Taylor Health Emergency Roof Replacement

The State of Utah Division of Facilities Construction and Management is seeking bids from prequalifi...

Due in 3 daysState of Utah > Division of Facilities Construction and Management
Hal Marshall Center Roof Replacement

Mecklenburg County is seeking a prime, North Carolina-licensed roofing contractor for the lump-sum r...

Due in 16 daysMecklenburg County > Asset and Facility Management
Tech Building and Burleson Center Reroofing

Hartselle City Schools is seeking sealed bids for reroofing the Tech Building and partially reroofin...

Due in 11 daysHartselle City Schools
Will County Court Annex Roof Replacement

Will County is requesting sealed bids for replacement of the Will County Court Annex roof.

Due in 9 daysWill County
SCI Fayette Resident Roofing Project

The Pennsylvania Department of Corrections is seeking a DGS-certified micro business to replace the ...

Due in 25 daysPennsylvania > Department of Corrections
School Roof Replacement at Burkett and Minor Schools

Limestone County Schools is seeking bids for roofing work at Burkett, Minor Middle School, and Minor...

Due in 11 daysLimestone County Schools
North High School Re-Roofing Project

Des Moines Public Schools is seeking sealed lump-sum bids for the re-roofing of North High School in...

Due in 25 daysDes Moines Independent Community School District
Roof Replacement at Carter County Detention Center

The Carter County Detention Center is seeking bids for a roof replacement, including cleaning and pr...

Carter County > Carter County Detention Center
Opportunities Near King County, Washington
Sewer Cleaning and CCTV Inspection Services

King County is seeking a contractor to clean underground sewer pipelines, perform CCTV inspections, ...

Due in 16 daysKing County > Wastewater Treatment Division > Wastewater Treatment Division
Water and Land Resources Construction Management Services

King County's Water and Land Resources Division is seeking architectural and engineering constructio...

Due in about 1 monthCity of Fort Collins > Water Resources Division
Seattle Public Utilities Security Services

The City of Seattle is seeking a vendor to provide unarmed fixed-post, roving patrol, mobile respons...

Due in 29 daysCity of Seattle > Seattle Public Utilities > Contracts and Procurement Division
Heavy Civil GC/CM Services for South Treatment Plant Treatment and Electrical Improvements

King County is seeking a heavy civil general contractor/construction manager to provide preconstruct...

Due in 23 daysKing County > Wastewater Treatment Division
Organizational Development Consulting Services

King County is soliciting qualified firms to provide organizational development consulting services ...

Due in 4 daysCity of Seattle > Department of Human Resources
County Workforce Management Solution

King County Information Technology is seeking a scalable workforce management solution for staffing,...

Due in 22 daysDakota County > Information Technology
Offsite Wastewater Facility Electrical Construction

King County's Wastewater Treatment Division is seeking a contractor for industrial electrical repair...

Due in 9 daysKing County > Wastewater Treatment Division
Rideshare Fleet Vehicle Maintenance and Repair Services

King County Metro is seeking vehicle maintenance and repair services for Mobility Services rideshare...

Due in 22 daysKing County > Metro Transit Department > Mobility Division
Sheriff's Office Vehicle Graphics Services

King County is soliciting bids for as-needed graphic decal design, printing, installation, and remov...

Due in 24 daysKing County > Sheriff's Office > Patrol Operations
Infant Mental Health Consultation Services

Public Health–Seattle & King County is seeking Infant Mental Health experts to provide consultation ...

Due in 10 daysKing County > Department of Community and Human Services
2027 Board Election Postcard Mailer Services

King Conservation District is seeking a consultant to design, print, sort, and mail approximately 27...

Due in 3 daysKing County > King Conservation District
Roof Replacement and Repair Work

King County is seeking a contractor to provide complete roof replacement and repair work, including ...

Due in 8 daysKing County > Wastewater Treatment Division
King County Sheriff's Office Uniforms and Related Items

King County is soliciting bids for the as-needed supply of uniforms and related items for the King C...

Due in 3 daysKing County
SR 518 Tukwila International Boulevard BRT Station Project

The Washington State Department of Transportation is seeking a design-build contractor for the SR 51...

Due in about 2 monthsDepartment of Transportation
Freegard Lift Station Emergency Storage Construction

Sammamish Plateau Water is seeking sealed bids for construction of emergency and operational storage...

Due in 25 daysSammamish Plateau Water and Sewer District
Solid Waste Collection Services

The City of Bellevue is requesting proposals for solid waste collection services including garbage, ...

Due in 22 daysCity of Bellevue
2027 Human Services Needs Assessment

The City of Bellevue is seeking a contractor to conduct a 2027 human services needs assessment, incl...

Due in 18 daysCity of Seattle
Water Main and Utility Conduit Replacement

Ames Lake Water Association is seeking bids to replace asbestos-cement water mains along NE Union Hi...

Due in 4 daysAmes Lake Water Association
Traffic Calming and Pedestrian Safety Design

The City of Redmond is seeking civil engineering consultants to design traffic-calming roadway impro...

Due in 19 daysCity of Redmond
Traffic Calming and Pedestrian Safety Design Services

The City of Redmond is seeking civil engineering consultants to design traffic-calming improvements ...

Due in 19 daysCity of Redmond
Overlake Accessibility Improvements Request for Qualifications

The City of Redmond is seeking consulting firms for design services for ADA curb ramp construction n...

Due in 3 daysCity of Redmond
Enterprise Content Management Software and Implementation Services

The City of Redmond is seeking cloud enterprise content management software and implementation servi...

Due in 12 daysCity of Redmond
Citywide Fiber and Conduit Management Solution

The City of Redmond is seeking information from qualified vendors about implementing a citywide fibe...

Due in 23 daysCity of Redmond
2026 ADA Barrier Removal Project

The City of Carnation is seeking sealed bids for construction of its 2026 ADA Barrier Removal Projec...

Due in 15 daysCity of Carnation
Comments
Correspondences
Custom Fields