Marsh Creek Springs, California

Marsh Creek Springs is an unincorporated community in Contra Costa County, California, United States. It lies at an elevation of 584 feet (178 m). It consists of approximately 2 by 8 blocks along Marsh Creek Road southeast of Clayton. The town is named for Marsh Creek, a local stream. The ZIP Code is 94517. The community is inside area code 925. It is named after John Marsh.