As a design/ build firm of custom outdoor screen porches, patios, and decks, customers often inquire as to the tax implications and resale value of adding a screen porch.
In terms of from a legal standpoint as well as a listing realtor, screen porches DO NOT count as square footage in your homes value equation.
They DO however increase the value of the home!
In North Carolina and South Carolina, the average return on investment (ROI) when you add a screen porch is somewhere north of 80%, which ranks right up there with the best investments you can make in your home. When you add that to the fact that it will most likely become your favorite and most used space for entertaining, it is a great investment.
Some homeowners add EZE Breeze windows to make it a convertible screen porch and sunroom. This still will not count as square footage even though you are technically enclosing the porch. The square footage equation kicks in when you have heated living or conditioned space (HLA). To learn more about screen porches, go to charlotte.archadeck.com