Roofing Services

Best Materials + Best Installers Equals Peace Of Mind

Experienced Installers

Hand-picked carrier roofers to deliver above standard results.

Project Management

Experienced multi-trade project managers to watch over every detail.

Lifetime Warranties

Extended transferable warranties available.

Contact Us For Your Free Consultation

We Cover All The Roofing Options That Cover You

Asphalt Shingles

One of the most versatile roofing options available in multiple styles and colors.

Tile Roofs

Stylish and long-lasting, a tile roof adds a lot to your home’s look and longevity.

Metal Roofs

Available in an array of styles and colors, this roofs are a great alternative.
Premier Roofing Contractors

Our team consists of experienced roofers and project managers that take pride in their work. Every situation is unique and we make sure we listen to your needs and match them with a custom roofing system. With over two decades of experience in most roofing applications, we can assure you that your project will be handled at the highest standard.

Hassle-Free, Stress-Free – On-demand scheduling and a dedicated team that keeps you updated. We handle all aspects of the project so you don’t have to.

Extended Coverage – 10-year Labor Guarantee and an Extended Manufacturer Warranty on materials.

We aim to provide the residents of the Golden State with high-quality service. Because of our lengthy experience in the roofing industry we have developed to skills to complete projects of all sizes.  Because customer service is one of our top priorities, you will be informed about the project’s progress from beginning to end. Simply put if you want your roofing services done right, call Grandmark Energy today!

We Are Owens Corning Platinum Preferred Contractor
Owens Corning Roofing Preferred Contractors are part of an exclusive network of roofing professionals who meet high standards and strict requirements for professionalism and reliability.
Many people do not realize that the roofing industry has a problem with quality workmanship. It could cost thousands of dollars to fix problems from the original construction and from serious wear and tear issues, and if you do not fix the problem, you may not get insurance coverage or your policy may get cancelled,” says Merlin. “I was at an adjustment conference where a roofing materials expert was showing slide after slide of poorly built roofs with all kinds of functional and cosmetic problems. I finally asked him how many new roofs were not built to the specifications needed for a valid warranty and he said that it was in the high 80 percent range