1 For the do-it-yourselfer, rolls of sod cost 8-30 cents a square foot, depending on the variety and quantity bought. 2  For front and back lawns of 20x50 feet each, that's 2,000 square feet or $160-$600. For front and back lawns of 20x50 feet each, that's 2,000 square feet or $160-$600. 2  Having sod professionally installed just about doubles the cost to 14-60 cents a square foot, or $280-$1,000 for 2,000 square feet.