JOSEPH KELLEY
On Site Builder Construction Co, Inc is a family owned and operated business that builds custom homes in the Hamptons. The company is managed by Joseph Kelley, who for over 40 years has served as a contractor and construction manager building the highest quality architecturally designed custom houses in the Hampton’s varying in style from classic to ultra modern. Several houses he has built have been showcased in books, magazines and featured across various forms of digital and social media. His assembled team of skilled sub contractors are among the finest skilled craftsmen in their various fields of expertise.
Featured in Print





Experienced in Excellence
Below are a select group of featured projects which our team has built and maintained in the Hamptons which were chosen to showcase a diversity of building styles and materials.


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Select Kitchen & Dining












Select Living Rooms








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Select Bedrooms








Select Bathrooms
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Select Staircases







Select Offices & Libraries


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Select Pools & Pool Houses









Select Features
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