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.
- ^ a b c d e f "Marsh Creek Springs (Contra Costa County, California)". Geographic Names Information System. United States Geological Survey. Retrieved May 11, 2014.
- ^ a b "FIPS55 Data: California". FIPS55 Data. United States Geological Survey. February 23, 2006. Retrieved May 11, 2014.
- ^ Indian Exploitation in Contra Costa, by A. F. Bray, Station KLX, Oakland, California Number 42, Broadcast, February 15, 1937. Retrieved March 17, 2008.