Welcome to Diaz Contractor LLC! We are proud to serve and surrounding areas with quality residential construction services. As a family owned and operated business, we take pride in treating our customers as one of our own.rnrnWe specialize in a full ranger of services including, but not limited to, paving, roof retaining wall, carpentry and fencing. With over 20 years of experience you can rest assured that you and your property is in the right hands.rnrnCall Union City today to schedule an appointment with one our expert technicians. We look forward to hearing from you!