Welcome To Grandmark
The Grandmark team focuses on projects such as roofing, solar, windows, HVAC, and remodeling because of the potential of these projects to save you money.
Projects Starting $79/Month
Financing for homes and businesses is available regardless of credit score. Protecting what matters most is our passion.
Grandmark
The Expert Roofing Contractors
With over 20 years of experience and expertise, Grandmark Roofers have been committed to delivering the best possible roofing services to California residents.
As the preferred roofing contractors and solar panel specialists, our customers always count on our commitment to service and excellence.
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
Anna Pimentel 
I want to state I did not know anyone at Grandmark before I started the process. Justin was communicative during the whole process of the roof installation. His crew was... read more
Lloyd Pratt 
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
1 min videoGrandmark
Make Clean Energy Part of Your Life!
Use space on your roof to produce sustainable energy right from your home. Everything you need to make going solar simple.
Grandmark helps you choose the solar plan that works best for you. Our in-house certified roofers and solar installers provide perfect installations that will pass the test of time.
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!
Grandmark
Make Your Home More Efficient!
Grandmark designers can help you realize your home potential by helping you maximize space and make the project affordable by improving your home energy efficiency.
Our wide range of products and quality workmanship ensures you enjoy every inch of your home.
CONTACT DETAILS AND LOCATIONS
Areas We Serve | Browse By Location
Fresno, CA Sacramento, CA Modesto, CA San Jose, CA
Visalia, CA Elk Grove, CA Stockton, CA Bay Area, CA
Hanford, CA Fair Oaks Turlock , CA Oakland, CA
Clovis, CA Roseville, CA Manteca, CA San Francisco, CA
