PRESCOTT, Ariz. – With the recent completion of much of the mass grading at the new Prescott Justice Center and Jail site, Yavapai County is now about 15 percent into its $75.6 million project.PRESCOTT, Ariz. – With the recent completion of much of the mass grading at the new Prescott Justice Center and Jail site, Yavapai County is now about 15 percent into its $75.6 million project.