The basic cost of framing a wall runs $7-16 per square foot, but additional costs to complete it can double the overall price All told, adding an interior wall typically runs from 2,500 to $6,100 ...

You can frame the wall in place or build it flat on the floor and tilt it up into position. Walls built with 2-by-6 lumber are harder to tilt up because they create a longer diagonal than a 2-by-4 ...