Jefferson Chamber of Commerce D.I.A. Custom Builders Share: Contracting D.I.A. Custom Builders Visit Website 1205 Helios Ave. Metairie, LA 70005 (504) 338-6949 www.diacustombuilders.com Hours: Monday - Friday, 7a-7p About Map About We’re a New Orleans-grown custom builder specializing in new construction, renovations, and additions for residential and commercial projects, for over 17 years. What's Nearby? Distance: 5 10 15 20 25 50 mi.