Complete Water Damage Restoration Services For The Entire Stanislaus County.

Roofing Repairs

Our quality is seen through our customers 316+ Positive Reviews written around the web.

  • 24 hours or less to receive a free inspection
  • 25+ years of experience
  • Professional roofers 
  • 2 year minimum warranty 
  • Outstanding customer service
roofing repairs
Roof Damage Restoration

Drywall Repair

No more scheduling conflicts. The Grandmark team will help you get the damages caused by roof leaks corrected to perfection.

Even if the repair cost is out of your budget we can help you finance your project to where it is affordable to restore your peace of mind.

Fix Your Roof Today!

Get A FREE Professional Roof Inspection Report.

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

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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

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

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Why Choose Us

With over decades of expert experience and industry knowledge, we have served thousands of customers, and we would love to serve you with the same satisfaction and quality assurance. Our team of professionals with extensive professional knowledge and training holds all the skill sets to handle your requirements just the way you want. 

No matter your project requirements and the type of roof, our expert team will never fail to ensure that you get the best possible service at the most cost-effective rates. So, if you’ve been looking for all your roof repairing or any of the above requirements, feel free to reach out to us. 

Our team is here at your service 24/7 to help you out in case of any query or concerns. Come, connect with us, and we assure you an excellent service experience with us. We’d love to hear from you!


How Much Roof Replacement Cost?

Average Cost: $5690 – $12,867 Use Grandmark calculator below to estimate your project.

About Grandmark Roofing

Grandmark Roofing – Your one-stop solution for all your roofing needs!

We are your neighborhood roofing contractors you can always count on to make things right. Be it any type of roofing – tile, flat, metal or asphalt, our expert professionals can guide you through each step and make sure you get the solution you have been looking for!

We Are Local Contractors

Grandmark Roofing 

1101 Standiford Ave suite a-10

Modesto, CA 95350

(209) 675-0238

Hours: Mon – Fri 

8 AM – 5 PM

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!


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!

Our Roofing Services

We offer a plethora of services for roofing Modesto has in the industry, the best in class experience, and expertise with a desire to deliver the best possible roofing services to the people of California. We specialize in providing roofing services under various categories listed below:

Residential Roofing – We specialize in offering residential roofing services for your benefit with required customization. With an experience of over 20 years as a Modesto roof repair company, we understand that roofing is something that protects your most precious investment and that there should be no compromise made with it. With us, you get all residential roofing installation and repairs at a precisely affordable price.

Commercial roofing – We are also your local commercial roofing contractor who will take care of all commercial roof types. Our decades of experience as roofers Modesto in the roofing industry enables us to deal with various structural needs and optimize the roofing performance accordingly.

Single Ply Roofing – Looking for a one-stop solution for your single-ply flat roof membranes but can’t find one? No worries, we are here to take care of that too. We have specialized experience with low slope roofing which offers excellent performance at an affordable cost.

Tile Roof Repair – We have been working on improving and correcting tile roofs’ efficiency for over several decades. We have been successfully able to serve a lot of satisfied clients. We take a more comprehensive approach when there is a need for roof repair and make sure to deliver exceptional service!

Roofing Repair – As industry experts in offering roof repairs and recognized among the top Modesto roofing companies, we provide prompt expert service to meet your requirements with guaranteed solutions and quality assurance at hand!

Request A Free Consultation

If you’re in need of roofing repairs for your home or business, then we’re to help.

We offer both residential and commercial roofing repairs and installation. We can also install gutters, do tile repairs, and we even offer solar installation and cleaning services, too.