An ultrasonic transducer device includes a first substrate that is provided with a plurality of ultrasonic transducer elements arranged in a matrix, and a plurality of first wires via which the ultrasonic transducer elements are electrically connected to each other as a plurality of serial sets, and a second substrate that is provided to overlap the first substrate, and is provided with a plurality of second wires intersecting the first wires in a plan view from a thickness direction of the first substrate and third wires via which the first wires are electrically connected to the second wires.
