Nichols is an unincorporated community in Contra Costa County, California, United States.

[1] It is on the Atchison, Topeka and Santa Fe Railroad 5.5 miles (9 km) west of Pittsburg,[3] at an elevation of 62 feet (19 m).

[1] The place is named for William H. Nichols, president of the General Chemical Company of New York, which built in 1909 a plant here to produce fertilizer and a number of other chemicals for industrial use.

[3] In 1921, General Chemical became a division of Nichols's Allied Chemical, later Allied Corporation.

This Contra Costa County, California–related article is a stub.