45 Years of

Unique Architectural Building

Mannix Custom Builders

Mannix Custom Builders has been building homes in the Hamptons since 1981. Brian is the professional who surpasses expectations at every level when it comes to capturing personal expression in residential architecture.

Since the beginning, we've followed the maxim "quality over quantity." It reminds us of our dedication to an exacting standard of craftsmanship as we build homes that stand apart in character, functionality and architectural beauty.  

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Photo Gallery

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Our Services

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New Construction

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Renovations

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Management

About Mannix Custom Builders

Mannix Custom Builders has been transforming Long Island's East End into a gallery of unique architectural design for 45 years.

Led by Principal Brian Mannix, his team of elite craftsmen specializes in building highly detailed residences from cottages to estates. Brian is joined by his son Kyle.