Bid guide
How to bid on MEP engineering services for Fairfax County
What Fairfax County is buying
Fairfax County’s Department of Public Works and Environmental Services is seeking qualifications from mechanical, electrical and plumbing engineering consulting firms for on-call professional services. Work may include studies, peer reviews, commissioning, fire protection system reviews, value engineering, and design and construction administration for capital facility projects.
There are no specific projects identified now. Services will be assigned as needed through task orders. The County intends to award up to two contracts, each with a one-year term and three optional one-year renewals. Each contract has a $750,000 annual ceiling, and work on any one project may not exceed $250,000.
Key date and deadline
The response deadline is December 1, 2026, at 11:00 AM ET. The opportunity was published October 30, 2026.
Submit through eVA before the deadline. The provided information does not describe what happens after the deadline, so check the solicitation posting for submission instructions and any other deadlines.
Who this opportunity suits
This opportunity is for MEP engineering consulting firms able to provide professional services for public capital facility projects. It may suit firms with capabilities in studies, reviews, commissioning, design, or construction administration.
Because work is assigned through task orders and no projects are specified, consider whether your firm can respond to varied assignments as they arise.
How to access and respond
Open Solicitation 131025 on eVA, Virginia’s eProcurement portal, using the “View original source” option. Give the page time to load, then review the public posting; an account is not needed to view it.
To respond, sign in with a free eVA vendor account before the deadline. Review the full solicitation documents on the posting for the required response format and submission steps.
Prepare a focused response
Use the solicitation’s evaluation and submission instructions to shape your response. Clearly connect your firm’s relevant MEP experience and service capabilities to the types of assignments described.
Check that your response addresses the requested qualifications and includes all required documents. Allow time to complete the eVA submission and confirm that it has been submitted before the deadline.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from County of Fairfax; the original posting controls.