Please select from the links below to view both current and past bid opportunities. Current Bid Opportunities.The County of Santa Clara (County) is issuing this Request for Proposals and Financial Plans. You can browse open solicitations on our bid management system, Periscope. Below are requests for proposals for the Santa Clara Valley Habitat Agency. RFP No. Proposal Description, Deadline. Federal Aid Bridge Replacements (25th St, 104th Ave, Spring Creek Road) Fall bid openings for the projects are scheduled for 2023 construction.