How much does a screened-in porch cost?
Screened-in porches average $30 to $85 per square foot installed. Four-season rooms average $125 to $200 per square foot.
Enclosing an existing patio sits at the low end of each range, and a new room built from the ground up sits at the high end. A four-season room costs more than a screened porch because it adds insulated walls, windows and finished drywall. Roof and ceiling style, size, and comfort add-ons like fans, heaters, a ductless mini-split and a composite floor move the price too.
These are averages, so your fixed price comes after a design session with a 3D rendering, with several payment options.

