Reduce the amount of food waste that gets thrown in the garbage-install a new garbage disposal with help from our Pittsburg plumbing experts. Call (925) 281-3507 today! Experiencing recurring issues with your current garbage disposal? Planning on installing a more efficient system? Call on Almighty Plumbing for fast, quality service. We supply, install, and replace all makes and models of garbage disposals for homeowners throughout Pittsburg and surrounding areas in Contra Costa County.