1 A plain concrete driveway can cost $3 -$10 or more a square foot, or $900 -$3,000 for 12'x25' or $2,900 -$9,600 for 24'x40', while a customized concrete driveway with multiple decorative elements can cost $15 -$25 or more a square foot, or $4,500 -$7,500 for 12'x25' or $14,400 -$24,000 for 24'x40'). A stamped asphalt pattern (typically in the shape of bricks or stones) on a new or existing asphalt driveway can cost $3 -$9 a square foot, or $900 -$2,700 for 12'x25' or $3,600 -$11,000 for 24'x50' for just the stamping.