The power actuated toilet seat device provides a pair of leg assemblies positioned on opposites sides of a toilet bowl, an expansion cylinder disposed longitudinally on each hind leg, a receiver/activator disposed downwardly in each expansion cylinder, an expansion lift arm disposed upwardly on each expansion cylinder, a follower disposed perpendicularly inward atop each expansion lift arm, a seat having a front spaced apart from a rear, and two spaced apart sides, a slot disposed laterally within each seat side, each slot in receipt of one of the followers of one of each of the expansion lift arms, a hinge disposed downwardly and at the front of the seat, the hinge selectively affixed forwardly to an existing bowl of an existing toilet, a control means configured to control lifting and pivoting of the seat, the control means in communication with each receiver/activator.