"Pedro is a very professional Structural Engineer. Very knowledgeable."

"We started working with Mr. O'Brien a few weeks backs for our first custom home building project. Working with the Mr. O'Brien is an absolute pleasure for so many reasons: His experience is unparalleled, he has an abundance of patience, he is highly professional and quickly developed a shared vision for the project with us. He listened to our ideas and worked on them develop a coherent design for the house to the vision we had in mind. We went through a few versions but Mr. O'Brien worked very efficiently through the process and in turning the drafts around. We were given personal attention and value the input and experience that has helped shape our end product. Thank you for all that you have done for us. You were the Big Starting block ")."

"It went flawlessly. From the initial meeting to the estimate , everything was completed as discussed."

"Great people to work with from the owner to the designers."

"I am general contractor They did three different job for me. Their work was good. The price was reasonable and on time."

"Evolution Drafting did a great job modifying my existing plans and updating for Arizona codes and took care of the structural engineering as well."

We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.\nYou will find us to be competitively priced with close attention to the details.\nOur reputation is based on service, safety, and quality, regardless of how large or small the job.\nWe look forward to building a lasting relationship and guarantee your satisfaction!\n

"They need some time to come back to the home and walk you thru the drawing"

Grupe dZn is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

We’re a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!