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

"It was a lot of payments just to receive an offer."

Citadel, offers a full range of Architectural, Engineering and Construction services that foster innovative structures that are both functional and aesthetically pleasing. Through our unique innovative process, we help to develop intimate and functional structures. Whether it is design, engineering, or construction , Citadel aims to give its clients the best service available. \n

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!

"I was highly impressed with Systematic Engineering. Jennifer from their main office was very cordial and friendly in setting up my appointment. The company's President, Frank, arrived promptly and gave me a professional and thorough assessment of what I needed to know about my property. I will definitely call on them again!"

"It went well. I was pleased with the services that they provided and the plan that they came up with. I had no trouble submitting it to the city in order to obtain a permit. They were easy to work with, even coming out on Saturday or Sunday, or the evenings - whatever worked with my schedule. They are really friendly, helpful and easy to get along with. It was a great experience and I plan to go to them for some additional work that I am planning on doing."

"Carlos and his team communicated well with me from start to finish. They showed up on time and answered any questions I had. They kept the work area tidy and cleaned up along the way. Worksmanship was fantastic! Definitely will use them for every project I have and would recommend them to anyone! Thanks Carlos"

"He did an extremely good job. Several people have already given high praise on his work.
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"Chris Merrill was an absolute pleasure to work with. He was quick, responsive and incredibly helpful during a difficult situation while selling our home. My family and I cannot recommend his services and wealth of knowledge enough. Iâ m glad we had the opportunity to meet him and use his services!"

"I was really under the gun due to a prior Architectural firm not performing their duties per building plan codes. Not only were the plans incomplete but the City Plan Reviewer states(The Worst plans he’s ever seen) they will not make adjustments unless there is an additional charge for Thousands. Evaluation’s saved my clients and drew our project per code, along with Engineering in less time then they quoted. I highly recommended them, Especially Kirsten. You went above and beyond trying to coordinate this project. The staff was very professional and I will use them on all my projects. Sincerely, Frank B BCM Builders"