Offsite Mechanical Construction Work Orders

King County, Washington is seeking sealed bids for offsite mechanical construction work orders, including industrial mechanical and HVAC repairs and modifications, plumbing, and equipment installation, with an estimated contract price of $4 million.

King County


General
Open
KC001760
Oct 14, 2026 08:30 PM
Sep 30, 2026 12:00 PM
$4,000,000.00
Small Business
Invitation for/to Bid (IFB/ITB)
Local
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Original Solicitation Links
Submission Instructions
Description

King County is soliciting sealed bids for offsite mechanical construction work orders under KC001760. The scope includes industrial mechanical and HVAC repairs and modifications, plumbing, equipment installation, and related trades. Electrical, civil, site work, and hazardous-material handling may be performed by associated subcontractors only as incidental or ancillary work necessary to complete the mechanical scope. The estimated contract price is $4,000,000. The contract includes a 15% minimum apprentice utilization requirement and a 10% minimum participation requirement for King County Certified Small Contractors and Suppliers (SCS). Bids must be submitted through the county's E-Procurement system by the stated deadline.

Classification Codes
NAICS238220Plumbing, Heating, and Air-Conditioning Contractors
PSCZ242Maintenance, Repair or Alteration of Heating and Cooling Plants
Smart Codes
industrial mechanical repairshvac modificationsplumbing equipment installation
Specifications
Service
Timeline
Oct 14, 2026 08:30 PM-Bid Due Date
Documents
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