The territory of Bülach has been controlled by Zürich since 1409, the remaining parts followed in the later 15th century (Eglisau 1496), with the exception of the Rafzerfeld, which was acquired by Zürich in 1651.
Det meste af distriktet har været kontrolleret af Zürich siden 1409, de resterende dele fulgte senere i det 15. århundrede med undtagelse af Rafzerfeld, der blev erhvervet af Zürich i 1651.