Welcome to LaCosta Data Services, Inc. This webpage will acquaint you with the basics of the polygraph process (commonly known as lie detection) and it will enumerate the services we provide for our customers. We've included a number of resources here to help you decide if a polygraph examination is right for your situation. If you decide to use our services then we provide additional assistance at this site. LaCosta Data Services, Inc. is committed to helping it's clients find out the truth in a particular situation. You can understand more about polygraph and our company by clicking About Polygraph and About Us in the menu to the left side of this page. For Prices click Polygraph Prices. You may also contact us by phone, fax or e-mail if you have any further questions or wish to engage our services. We can be reached at (972) 735-9569, or faxed at (972) 608-9821, or e-mailed at email@example.com. When calling from outside the Metroplex you can reach us toll free at (877) 735-9569. Our Dallas office is located in the Millinnium Building at 15455 Dallas Parkway, Suite 600, Addison, TX 75001. The building is located about three miles north of the Galleria on the Dallas North Tollway. The Galleria is at the intersection of LBJ Freeway and the Dallas North Tollway.