The average labor Price to stain a deck is $one to $3 for each square foot, not including the cost of materials. Labor accounts for 75% of the entire Expense based on the deck's issue, if the deck demands sanding or stripping, and the amount of coats of stain utilized. https://listbell.com/story9254311/a-simple-key-for-how-to-prep-deck-before-stain-unveiled