Download a contact form and print for construction estimates, please complete the form as indicated and submit via mail or fax. Download Contact Form  Dynatec Contracting, Inc. 25-52 Cresent Street Astoria, New York 11102 Phone: 718-721-6022 Fax: 718-721-9362 25-52 Cresent Street Astoria, New York 11102 Ph: 718-721-6022 / Fx: 718-721-9362 Copyright 2007 © Dynatec Contracting, Inc.