The remains were found near Cement Hill Road and Peabody Road in Fairfield.
Police say an investigation is now underway.
No other details were released.
Those information are asked to call the police department's investigations bureau at (707) 428-7600.
Human Remains Discovered https://t.co/wbUVdAUJC9— Fairfield, CA Police (@FairfieldPolice) January 16, 2021