MJ Masonry

MJ Masonry is a skilled stone masonry company based in Amherst, New Hampshire, specializing in the installation of Stoneyard thin stone veneer. Known for precise craftsmanship and attention to detail, MJ Masonry works on residential and outdoor projects that range from foundations and accent walls to outdoor kitchens and custom stone features. Their work emphasizes durability, clean lines, and the authentic character of natural New England stone.

Owned and operated by master stone mason Marc Theriault, MJ Masonry brings hands-on experience and a craftsman’s approach to every project. Marc works directly on installations, ensuring consistent quality and thoughtful execution from start to finish. With a strong understanding of thin stone veneer systems and proper installation techniques, MJ Masonry delivers stonework that is both visually striking and built to last.