25+ Years of Quality Masonry Craftsmanship

LG Stoneworks Inc. is a top-tier masonry company built on generations of craftsmanship and trust. Formerly known as Guanga Masonry, we’ve rebranded to reflect our growth—but our commitment to quality, family values, and hard work remains the same.

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As a proud father & son business, we bring decades of hands-on experience to every project, specializing in high-end stonework that elevates outdoor and indoor spaces. From timeless patios to custom fireplaces, our work is known across the East End and the Hamptons for its precision, durability, and style.

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At LG Stoneworks Inc., we don’t just build structures—

we build lasting relationships with every stone we lay.