The 6 Best Asphalt, Blacktop & Concrete Driveway Sealers ...
The amount it will cost to seal a driveway depends on several factors; the size and layout of your driveway, the type of driveway sealant that is being used, where you live, and the condition of your driveway. On average, the cost of sealing a 20'x24' driveway costs between $100 and $190.