Preheat oven to 350F. Grease a muffin pan with non-stick cooking spray.
Add ground flax seed and water to a small bowl to create flax eggs. Whisk to combine. Place bowl in fridge.
In a medium size bowl, add flour, baking soda, baking powder and pumpkin pie spice. Whisk to combine.
In a large bowl, add maple syrup, canned pumpkin, almond milk and flax egg mixture. Whisk to combine.
Add the dry ingredients to the wet ingredients. Using a spatula, fold dry ingredients into wet ingredients. Fold until the flour mixture is incorporated and there are no lumps in the batter.
Add raisins.
Use a spatula to fold in the raisins.
Using a cookie scoop, divide batter evenly into prepared muffin pan.
Bake for 28-30 minutes or until a toothpick inserted into the center of a muffin comes out clean. Let muffins cool for 10 minutes before transferring to a wire rack to cool completely. Makes 12 muffins.