Obsessed With Your Project

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.

 

25 YEARS OF EXPERIENCES TO DELIVER BETTER RESULTS!

Energy Efficient Home Improvements

Planning Your Project

FREE CONSULTATION FOR YOUR PROJECT

Grandmark will provide a complete analysis to ensure your project starts with a strong foundation. 

Roofing

Choose Wisely

SHORT & LONG TERM SOLUTIONS

Our representative will learn from your project and goals. Once clear, we’ll present custom solutions.

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Enjoy The Ride

CLARITY AND PROPER EXPECTATIONS

Get your project done hassle-free and stress-free by understanding what to expect every step of the way.

Request Your Free Estimate Today!

Have questions? Let us know and one of our friendly representatives will get back to you shortly.

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.

    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

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    5 star review  Could not be happier with the professional, sharp-looking job and clear expectations. McKay evaluated the area where we needed guttering, an area another company had said couldn’t be remedied because... read more

    thumb pegmacmillan

    5 star review  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

    thumb Lloyd Pratt
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Grandmark

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.

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Our Locations

Fresno

Address: 1919 E Ashlan Ave, Fresno CA 93726

Phone: (559) 492-3333

Hours 

Monday    8 AM – 5 PM

Tuesday     8 AM – 5 PM

Wednesday    8 AM – 5 PM

Thursday   8 AM – 5 PM

Friday    8 AM – 5 PM

Saturday   8 AM – 5 PM

Sacramento

Address: 2708 Norbert Way, Sacramento, CA 95833

Phone: (916) 281-4853

Hours 

Monday    7 AM – 5 PM

Tuesday     7 AM – 5 PM

Wednesday    7 AM – 5 PM

Thursday   7 AM – 5 PM

Friday    7 AM – 5 PM

 

Modesto

Address: 1101 Standiford Ave suite a-10, Modesto, CA 95350

Phone: (209) 675-0238

Hours 

Monday    8 AM – 5 PM

Tuesday     8 AM – 5 PM

Wednesday    8 AM – 5 PM

Thursday   8 AM – 5 PM

Friday    8 AM – 5 PM

Elk Grove

Address: 9105 Stinson Beach Way #5127, Elk Grove, CA 95758

Phone: (916) 894-0241

Hours 

Monday    8 AM – 5 PM

Tuesday     8 AM – 5 PM

Wednesday    8 AM – 5 PM

Thursday   8 AM – 5 PM

Friday    8 AM – 5 PM

Saturday   8 AM – 5 PM

Bay Area

Address: 1151 Lynn Ave, San Jose, CA 95122

Phone: (408) 528-2293

Hours 

Monday    8 AM – 5 PM

Tuesday     8 AM – 5 PM

Wednesday    8 AM – 5 PM

Thursday   8  AM – 5 PM

Friday    8 AM – 5 PM

Areas We Serve  | Browse By City

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 

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