An electronic faucet is provided comprising a spout; a fluid supply conduit supported by the spout; a valve assembly including a solenoid valve positioned to control fluid flow through the fluid supply conduit, the solenoid valve including a solenoid coil and a moveable valve member operably coupled to the solenoid coil; and a controller operative to control the solenoid valve, the controller including a circuit board coupled to the valve assembly and a processor mounted to the circuit board to control the solenoid valve, the solenoid coil being mounted to the circuit board.