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Mammoth Construction

5.0 23 reviews
Overall rating
5.0
out of 5
23 reviews
5 star 100%
4 star 0%
3 star 0%
2 star 0%
1 star 0%

About Mammoth Construction

Mammoth Construction is a locally owned company with over 20 years of experience, specializing in indoor and outdoor projects, including kitchen remodels, additions, and handyman services. They are known for their excellent communication, reliability, and top-notch work quality. The team is communicative, thorough, and pays attention to the details. Richard is the point of contact and is great to communicate with, honest, and up front. The team is phenomenal, kind, and respectful. They are true experts who do not cut corners, delivering work that is immaculate with precision and quality. Clients appreciate the stress-free experience and the ability to take on both small or large projects, making them the go-to choice for all future work.

Oct 2026
5.0
I’m really impressed with Mammoth Construction and their professional approach to construction projects. Their commitment to quality, attention to detail, and focus on customer satisfaction make them stand out. It’s always great to see a company that values good workmanship and takes pride in delivering excellent results. I would definitely recommend Mammoth Construction to anyone looking for a reliable construction company for their home or renovation needs. Keep up the great work.
Jun 2026
5.0
Mammoth Construction did an outstanding job rebuilding my second story deck stairs. They handled everything from the plans and permits to the final construction, and communication was excellent throughout the entire project.

The experience was so positive that I hired Richard and his team again shortly afterward for interior painting and kitchen remodeling. They were professional, reliable, and delivered quality work on every project.

I would absolutely hire Mammoth Construction again and highly recommend them for decks, remodeling, and general home renovation projects.
May 2026
5.0
We recently had our backyard pool and deck removed and new grass installed, and we couldn’t be happier with the experience. Communication was excellent from start to finish, the entire process was smooth and professional, and the final result completely transformed our backyard. The team was reliable, efficient, and easy to work with. Highly recommend!
Photos of Mammoth Construction, 2011 Old Frederick Road Suite 21228,  Catonsville
All 13 photos

Hours

Monday 7AM - 5:30PM
Tuesday 7AM - 5:30PM
Wednesday 7AM - 5:30PM
Thursday 7AM - 5:30PM
Friday 7AM - 5:30PM
Saturday 7AM - 3:30PM
Sunday Closed

Good to know

  •  on-site services 
  • no online estimates

Location

2011 Old Frederick Road Suite 21228, Catonsville, MD 21228

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Mammoth Construction · 2011 Old Frederick Road Suite 21228, Catonsville, MD 21228

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