King County - Roof Replacement and Repair Work Order - KC001722 (2026)
King CountyCounty · Seattle, WA- Due
- Sep 30, 2026
- Deadline passed
- Posted
- Sep 28, 2026
- Contract term
- 1 year
- Primary contact
- Mark Hoge
- (206) 263-9325
The 30-second brief
King County is seeking bids for the Roof Replacement and Repair Work Order 2026 contract (Solicitation KC001722) within the Wastewater Treatment Division. The work involves furnishing all labor, tools, equipment, and materials to perform roof repairs, replacements, and roof cleaning on various facilities including the West Point Treatment Plant, Brightwater Treatment Plant, South Treatment Plant, Carnation Treatment Plant, Vashon Island Treatment Plant, and offsite facilities. Roofing applications include torch-applied SBS modified bituminous, hot-mopped SBS, vegetated green roof systems, and fluid-applied protective coatings, requiring strict adherence to NRCA and SMACNA standards. The contract has a not-to-exceed price of $3,000,000 over an initial 365-day term, with potential extension options. Bids are due by September 30, 2026, and must include a 5% bid guaranty bond, adherence to prevailing wage requirements, a 7% Small Contractors and Suppliers (SCS) utilization requirement, and a 15% apprenticeship utilization requirement.
Lowest Total Bid Price
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Summary
King County is seeking bids for the Roof Replacement and Repair Work Order 2026 contract (Solicitation KC001722) within the Wastewater Treatment Division.
The work involves furnishing all labor, tools, equipment, and materials to perform roof repairs, replacements, and roof cleaning on various facilities including the West Point Treatment Plant, Brightwater Treatment Plant, South Treatment Plant, Carnation Treatment Plant, Vashon Island Treatment Plant, and offsite facilities. Roofing applications include torch-applied SBS modified bituminous, hot-mopped SBS, vegetated green roof systems, and fluid-applied protective coatings, requiring strict adherence to NRCA and SMACNA standards. The contract has a not-to-exceed price of $3,000,000 over an initial 365-day term, with potential extension options. Bids are due by September 30, 2026, and must include a 5% bid guaranty bond, adherence to prevailing wage requirements, a 7% Small Contractors and Suppliers (SCS) utilization requirement, and a 15% apprenticeship utilization requirement.
EVALUATION CRITERIA
Lowest Total Bid Price
REQUIRED ATTACHMENTS
7- Bid guaranty bond
- Form of Bid
- Subcontractor Listing Form for Plumbing
- Electrical
- HVAC
- Subcontractor Listing Form for Structural Steel and Rebar Installation
- Responsibility Detail Form
- Submit to
- [email protected]
- Duration
- 24 months
- Scope location
- Seattle, WA
Questions about this BID
How do I respond to this Bid from King County?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is September 30, 2026. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: [email protected]. For questions, contact Mark Hoge.
Can small businesses or minority-owned firms bid on this Bid?
Most government agencies, including King County in WA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the Bid submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Mark Hoge at (206) 263-9325. Questions and answers are typically shared with all prospective bidders.
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What are the evaluation criteria for this solicitation?
This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Lowest Total Bid Price" Vendors should carefully align their proposals with each criterion to maximize their score.
Where can I find more RFPs from King County?
All active and historical solicitations from King County are tracked and searchable. As a county agency, King County regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
What is the contract term for this solicitation?
The anticipated contract term is 1 year. Contract terms may include renewal options.
What documents are required to bid on this Bid?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: bid guaranty bond, Form of Bid, Subcontractor Listing Form for Plumbing, Electrical, and HVAC, Subcontractor Listing Form for Structural Steel and Rebar Installation, Responsibility Detail Form. Review the full document from King County for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Seattle, WA. Review the full solicitation for detailed scope requirements.