Bid guide
How to bid on multiuse path design and construction support for Napa County, CA
What Napa County is buying and why it matters
Napa County, California, is looking for a consultant to design and support the construction of a four-mile multiuse path. This path will close a gap in the Napa Valley Vine Trail, connecting John F. Kennedy Park and Devlin Road at Airport Boulevard. The selected consultant will handle all aspects of the project, from preliminary engineering and environmental review to right-of-way support, creating plans and estimates, assisting with bidding, and providing construction support.
This is a significant opportunity for a firm to manage a complete project, as the County intends to select one prime consultant for a 'turnkey' approach. Construction is planned to begin in spring 2029.
Key dates and what happens at the deadline
This Request for Proposals (RFP) was published on August 28, 2026. Your proposal must be submitted by September 22, 2026, at 4:00 PM ET. This is a firm deadline; proposals received after this time will not be considered.
It is important to submit your response well before the deadline to avoid any last-minute technical issues.
Who this opportunity suits
This opportunity is ideal for professional consulting firms with expertise in civil engineering, environmental review, and construction support for multiuse paths or similar infrastructure projects. The selected consultant must be fully familiar with Caltrans Local Assistance Procedures guidelines, procedures, and requirements.
Firms with a strong track record in managing complex projects from initial design through construction, including administrative tasks and coordination with state agencies, will be well-suited for this work.
How to respond to this RFP
To access the full details and submit your proposal, you will need to use OpenGov Procurement, which is the County of Napa's procurement portal. First, locate the 'View original source' link associated with this opportunity. Clicking this link will take you directly to the project page on OpenGov Procurement.
The first time you access OpenGov, there may be a brief security check; allow it to complete. Once on the project page, you will need to sign in or create a free vendor account. This account will allow you to download all project plans, ask questions, join the list of planholders to receive updates, and submit your completed proposal before the deadline. All official addenda notices will be distributed through OpenGov.
Practical tips for a competitive response
When preparing your proposal, clearly demonstrate your firm's experience with similar multiuse path projects, especially those involving Caltrans Local Assistance Procedures. Highlight your team's qualifications and any specific expertise in preliminary engineering, environmental review, right-of-way support, and construction phase services.
Pay close attention to all administrative requirements outlined in the RFP, as the County emphasizes a 'turnkey' approach. Ensure your proposal is well-organized, concise, and directly addresses all requested information to show your understanding of the project's scope and the County's expectations.
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 Napa, CA; the original posting controls.

