DEMAND. On the Treasury of the. Contra Costa County is an active issuer of tax-exempt multifamily mortgage revenue bonds.Proceeds of the Series 2015A Bonds will be used to (1) pay the costs of certain transportation projects,. The Authority is a proprietary entity and uses enterprise fund accounting to report its activities for financial statement purposes. A primer on the basics and complexities of the global bond market. CHABOT-LAS POSITAS JOB TRAINING, CLASSROOM. − Work with CCTA to fill gaps in the countywide LowStress Bike. Network, as outlined in the 2018 Countywide Bicycle and. The Contra Costa Community College District is operating in a rapidly changing con- text . The actual interest rates at which the bonds will be sold will depend on the bond market at the time of each sale.