Cookie Wirtz, from left, John Wirtz and Amber Fox are part of the family business Wirtz Quality Installations Inc. Wirtz did the tile work in most of the common areas and patient bathrooms, and much of the exterior stone work at the new Palomar Medical Center.

Cookie Wirtz, from left, John Wirtz and Amber Fox are part of the family business Wirtz Quality Installations Inc. Wirtz did the tile work in most of the common areas and patient bathrooms, and much of the exterior stone work at the new Palomar Medical Center. Photo by Melissa Jacobs.

John Wirtz remembers visiting work sites when he was three years old, learning the construction business from his father, John Q...

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