Questions about taxes on a land sale

To make a long story short, I had a house that I bought and then I moved away and rented the property on and off for about 6 years. The last set of renters basically moved all of their stuff out then burned the place down. Total loss from the insurance. Luckily, I had enough coverage to pay the mortgage off. So now I have about 8 acres of land that I own and am under contract to sell at the end of next month.

My question is, once the sale goes through are there taxes on the sale that need to be paid right away or do I just report the sale as additional income on my taxes next year and pay the taxes then? I'm in North Carolina.