First 5 Contra Costa will accept applications until the December 2, 2024, deadline. This Contract is made in Contra Costa County and is governed by, and must be construed in accordance with, the laws of the State of California.Below you will find all of our current open RFI, RFP, and RFQ bids as well as instructional videos for the budget templates. Description of Work and Proposed Agreement. The work to be done and referred to in this Proposal is in the City of San Pablo Contra Costa. The proposal must be in the possession of the District's Purchasing Department before.