Bid on City Contracts ; RFP: On-Call Mechanical Engineering Service, May 12, 2020, p.m. ; RFP: On-Call Architectural Services, May 12, 2020, p.m.Explore County contracting opportunities in goods, services and construction. Use the table below to explore contract opportunities for goods and services. Want to see who made the cut? This will ensure that the Consultants have the opportunity to become familiar with Alameda County planning, zoning and permitting requirements.