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').