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Dependable Roofing &Restoration Solutions
Protecting Utah homes and businesses with expert service, premium materials, and honest craftsmanship-every project, every time.
Calculate Your Roof Cost in Just 30 SecondS
Hear From Our Satisfied Clients
Mammoth Builders did an excellent job on my siding! I was referred to Tyson Forbes at Mammoth through a family friend who also had work done by them. Tyson was professional, gave us a fair price on the siding work, and the job was completed professionally and cleanly. Tyson communicated with me through the entire progress and made me feel comfortable with such a large project. Would very much recommend to all of my friends and family.
Ryan B
We had an amazing experience working with Mammoth Builders on our basement restoration! From start to finish, they were professional, responsive, and detail-oriented. They helped bring our vision to life and made what could have been a stressful project feel smooth and efficient. The craftsmanship and quality of work really stood out — everything turned out better than we expected. Highly recommend them for anyone needing restoration or remodeling work in the St. George area!
Logan Forsyth
Mammoth did an amazing job on our roof! The crew was professional, efficient, and kept everything clean. Communication was great from start to finish, and the results exceeded our expectations. Highly recommend for any roofing or restoration work!
Alexis Barnes
Mammoth Builders is 10/10! I called in to get a quote for a renovation project and spoke with Tyson. Not only was he incredibly friendly and helpful, he was also very knowledgeable and professional. Both communication and customer service were great and made the whole process super easy. They will be our go-to here in Southern Utah.
Courtney Bassett
Incredibly positive experience with Tyson Forbes and his team. Tyson treated my job as though I was family. My roof looks beautiful . Tyson did all the paper work for my insurance company, super impressed with his knowledge and skills.
Dixie Cade
Comprehensive Roofing & Restoration Services
Roof Replacement
Upgrade your home or business with durable, high-quality new roofing designed to last and elevate curb appeal.
Roof Repairs
Fast, thorough repairs for leaks, missing shingles, and structural issues-restoring protection and peace of mind.
Insurance Claim Support
Guidance and assistance at every stage of your insurance claim-ensuring all damage is properly documented for fair settlement.
Ventilation Solutions
Improve comfort and energy efficiency with expert attic and roof ventilation upgrades and troubleshooting.
Aging Roof Materials
Restore aging shingles and tiles with specialized treatments and targeted fixes that extend roof life without full replacement.
Water Damage Restoration
Emergency response to leaks, flooding, and moisture problems-mitigating damage, preventing mold, and returning spaces to safety.
Fire Damage Restoration
Comprehensive recovery from fire and smoke damage, including debris removal, repair, and structural restoration.
Storm Emergency Services
Rapid deployment for storm and hurricane emergencies-assessment, temporary protection, repairs, and ongoing support.
Commercial Roofing Solutions
Specialized roofing, repair, and maintenance services for retail sites, offices, and industrial properties. Tile roof care and preventative programs available for commercial roofs.
Why Mammoth Builders Stands Apart
FAST & TRANSPARENT SERVICE
Immediate response, clear communication, and no surprises from first call to finished job.
FREE ROOF INSPECTIONS
No-cost, no-obligation inspections for all properties-expert analysis and honest recommendations, every time.
FAMILY OWNED & LOCALLY INVESTED
Trusted by Utah families and businesses for generations-proudly serving our community as neighbors, not just contractors.
CERTIFIED & INSURED
Fully licensed, insured, and up-to-date on the latest standards-your project is always protected.
ROBUST WARRANTY PROTECTION
Strong warranties on materials and workmanship, giving you lasting security and peace of mind.
CLEAN, PROFESSIONAL WORKSITES
Every project completed with respect for your property-tidy, safe, and minimally disruptive.
SKILLED CRAFTSMANSHIP
Certified technicians, premium products, and a commitment to delivering superior results on every job.
We are certified by
OUR MAMMOTH Team members
TIM JOE
Senior Manager
TIM JOE
Senior Manager
TIM JOE
Senior Manager
TIM JOE
Senior Manager
Frequently Asked Questions
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At Mammoth Builders, we believe every great project starts with a clear plan. That’s why we offer free estimates for both residential and commercial projects. Whether you’ve suffered catastrophic damages, need a new roof or are building your dream home, our expert team is ready to bring your vision to life with precision and craftsmanship.