What we do when we're not on a roof.
We exist to guide and protect our neighbors. Some of that happens on the ground.
Set up for a community dayThe causes we back.

Churches & schools
Roof work and support for congregations and schools across the Hill Country.

Community events
Annual events and giveaways in Boerne and the towns we work in.

Purple Heart Foundation
Sponsor of the foundation's 2025 dinner in Boerne, honoring the wounded and their families.
Folds of Honor
Scholarships for the families of fallen and disabled service members.
Wounded Warriors
Support for the veterans who came home carrying it.
Adopt-a-Vet
Local veterans' support in the Hill Country: sponsorship and crew time.
Hill Country Daily Bread Ministries
The Hill Country's food and family ministry.
Boerne Chamber Businessman of the Year, 2021.
An honor from the town where Mammoth started in 2017.
The owner has since been invited to speak to the industry at the International Roofing Expo about how Mammoth runs: the same process, checklists and honesty doctrine you get on your roof.
About Mammoth
Know somebody who needs a roof?
Past customers who introduce us to a neighbor receive a $250 gift card after the referred replacement is completed and paid in full. Applies to completed roof replacement projects with a contract value of $10,000 or more; additional terms may apply.
Refer a neighbor Reviews
Know where
your roof stands.
The Roof Grade is free, and it is also your estimate: the same visit gives you a written price for any work it finds, repair or full replacement.
What happens next is your decision.
- 32 inspection points, attic first
- 75–150 photos of what we find
- An honest, written recommendation




