About Us
Roofing. HVAC. Energy Experts Since 1995.
Trusted by Thousands of Customers

About Us
Grandmark Service Company has been a trusted name in the roofing industry for nearly three decades. Founded on the principles of quality craftsmanship, customer satisfaction, and community service, we have grown into a leading provider of roofing solutions for both residential and commercial properties.
Our Mission
At Grandmark Service Company, our mission is simple:”To make families and spaces comfortable to build memories.
We achieve this by delivering high-quality roofing, HVAC, and solar solutions that protect your property, enhance energy efficiency, and provide peace of mind.

- We Save You Money
- 25+ Years of Expertise
- Financing Available
- Built To Last
- Compliance & Safety
What We Do
Roofing Services:
Roofing is at the heart of what we do. Whether you need a minor repair, a complete roof replacement, or regular maintenance, our certified professionals are here to help. We specialize in:
Roof Repair: Fixing leaks, storm damage, and wear and tear.Roof Replacement: Upgrading your roof with durable, long-lasting materials.
Roof Replacement: Upgrade your roof with durable materials like asphalt shingles, tile, or metal. Our GAF Master Elite certified team ensures top-quality installations tailored to your needs.
Roof Maintenance: Extending the life of your roof with regular inspections and upkeep.
Our team is GAF Master Elite certified, ensuring that every project meets the highest industry standards. From asphalt shingles to tile and metal roofing, we deliver solutions tailored to your needs.
Other Services:
In addition to roofing, we provide expert heating, ventilation, and air conditioning (HVAC) services to keep your home comfortable year-round.
Our HVAC services include:Repairs and installations for energy-efficient heating and cooling systems.
Maintenance plans to optimize system performance and reduce energy costs.
Whether it’s repairing an outdated system or installing a new energy-efficient unit, our HVAC services are designed to improve your indoor comfort while lowering utility bills.
Our Values
At Grandmark Service Company, we operate based on three core values:
- Quality: We never compromise on the quality of our materials or workmanship.
- Integrity: Transparency and honesty are at the center of everything we do.
- Community: We’re proud to serve our local community and support projects that make a difference.


We are proud to serve homeowners and businesses across Fresno, Visalia, Sacramento, and surrounding areas. Whether you need roofing, HVAC, or solar solutions, Grandmark Service Company is your trusted partner for reliable and affordable services.
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Contact Us
Ready to get started? Contact us today to learn more about our services or to schedule a free inspection.