At Grandmark we’ve established ourselves as the local contractors of choice for the areas around our five locations. Since we started in this business 25 years ago, we’ve constantly sought to bring the benefits of our service to as wide a clientele as possible. Today, we can say with pride that we offer superb roofing and clean energy solutions to a large swath of the Golden State. Whether you need commercial or residential roofing work, window replacement, solar panel installation, gutter repair or installation, or attic insulation, we’re the trusted professionals you can count on.
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1919 E Ashlan Ave, California City, CA 93726
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