Abstract: A universal door jamb package of essentially three piece construction and suitable for operation with standard layout doors having knobs spaced approximately thirty-six inches from the bottom edge of the door. The three piece construction package for shipment to the builder comprises a hinge jamb leg with both ends thereof squared off and having symmetrically spaced hinges thereon on one side of a door stop strip. The packaged striker jamb leg is dadoed at both ends thereof and has a striker plate symmetrically spaced thereon on one side of a door stop strip. The package further includes a header jamb member which is squared off at end thereof and is dadoed at the other end thereof.