In a medium bowl, combine butter, brown sugar and sugar.
Whisk until blended.
Add vanilla and pumpkin and whisk until smooth. Set aside.
In a large bowl, combine the flour, salt, baking powder, baking soda and pumpkin spice. Whisk for at least 1 minute until blended.
Add wet ingredients to the dry ingredients and mix with a spatula.
Add chocolate chips and mix with spatula to distribute.
Refrigerate the dough for 3 hours.
Preheat oven to 350.
Line baking sheet with parchment paper.
Portion dough into 1 1/2 to 2 tbsp balls and place on prepared sheet.
Flatten each slightly.
Bake the cookies for 10 minutes, remove from oven and leave on cookie sheet for 10 minutes.
Transfer to wire rack and allow to cool completely.