About Us

Professional Roofers and Solar Installers

Grandmark energy

Who we are

Grandmark Energy was founded by 2 brothers who are experts in the Home Improvement Industry. They were part of roofing big public buildings like Children’s Hospital and Selland Arena among others.

The desire to provide ethical professional home improvement guidance and execution, made Grandmark Energy a Brand name in the home improvement business.

Grandmark Energy is proud of all its members who perform the hard work. When you need a new roof, a solar system, a new air conditioner or a simple home upgrade, Grandmark unwavering commitment to quality, affordability & efficiency will always be the values you, the customer, can expect from the Grandmark Team!

There are real long term benefits to doing the job right the first time! It is been proven over and over again!

Grandmark has a proven track record of delivering results consistently over the past 24 years!

Roofers

    5 star review  I really was impressed with the response time when I sent the initial request for a estimate appointment, having someone come out to look at my roof to having the... read more

    thumb Vickie Vaughan

    5 star review  Glad to finally have a roof that doesn't leak. Three other roofers tried to repair my leak unsuccessfully. Grandmark was out within a few days, and a week later the... read more

    thumb 1 min video

    5 star review  Dealt with Carlos. He was very informative and friendly from day 1. He was able to see me right away and I loved that he came prepared with a slide... read more

    thumb Anna Pimentel
roofing repairs

Grandmark energy

What sets us apart

We know that you have lots of options among Roofers and Home Improvement Contractors. Despite the variety of choices, one company of professional roofers, solar installer and home remodelers stands head and shoulders above the rest. At Grandmark Energy a few distinct qualities sets us apart.

Emphasis on Energy Efficiency: We place major emphasis on home improvements of homes and businesses energy efficiency. Our practices reflect the following, as does our expertise with the design and installation of solar systems. Furthermore, we offer a range of services, all of which improve your home comfort while lessening its carbon footprint. This includes attic insulation, window replacement, and HVAC services.

Cutting Edge Technology: We take our work seriously, specially when it comes to energy efficient projects. Whenever new technology appears, we incorporate it into our services. Bottom line, you can always count on cutting- edge technology and techniques when you work with Grandmark Energy.

20,000+ Satisfied Customers

We have provided excellent services to thousands of customers, and we’d love for you to be able to experience the quality of our technicians!

Professionals

Our team has extensive professional training and a solid skill set to handle your project.

Locally Owned

We are a local, family owned business and serve the greater Central and Northern California area.

100% Satisfaction

We are professionals and proud of our work. If you aren’t satisfied, let us know and we will make it right!

20,000+ Satisfied Customers

We have provided excellent services to thousands of customers, and we’d love for you to be able to experience the quality of our technicians!

Professionals

Our team has extensive professional training and a solid skill set to handle your project.

Locally Owned

We are a local, family owned business and serve the greater Central and Northern California area.

100% Satisfaction

We are professionals and proud of our work. If you aren’t satisfied, let us know and we will make it right!

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Financing Available – No Credit Required Programs!