512 worked seamlessly with our architect. They are clearly knowledgeable in the field. They communicated every milestone to us so there were never any unexpected or unpleasant surprises.  512 worked diligently to complete our project on time. Every sub used was professional and did a great job. Our addition was completed within our budget and we absolutely love it. They have a lot of great ideas for enhancements that didn’t add a huge additional cost. We were lucky enough to fit into their schedule pretty quickly but after seeing how their subs worked, we would wait if necessary.