Settlement was founded in the time of construction of Irpins'ko-Zdvyzhevs'ka defense system of the Kyiv Rus'. It had the fortress with shaft and a ditch.
According to the "Register of the Army of Zaporizhzhya in 1649" Byshiv was the squadron city of the Bilotserkivs'kyi regiment. In 1775 King Stanislav Avgust Ponyatovs'kyi has confirmed the city status.