WB Kirby Hill LLC is the community developer and sponsor.  Kirby Hill developed the community and built homes in the community to the highest standards to set the tone for what is Stone Hill.  For the Stone Hill Estates section of the community, Kirby Hill is working with some of the area’s best luxury builders to build homes on the exclusive remaining Estate lots. 


Stone Hill offers future residents the benefit of flexibility when it comes to selecting a builder.  Individuals are welcome to work with their own builder and architect to design a custom home tailored to their specific needs or choose to work with one of the select community builders actively working in the community. 

The Worrell Group


The Worrell Group custom home building division is one of Long Islands top award winning custom builders and has been enhancing the Gold Coast of Long Island with breathtaking luxury estate homes for 40 years.  It is their personal commitment and goal to work with their clients through the design and planning stage, to build and manage the construction of their client’s new home meeting all of the required specifications desired.  All of their homes are rich in old world architecture and tradition and designed to meet today’s modern taste and lifestyles. The Worrell Group Estate Homes feature only the finest products, incorporated to ensure comfort, beauty and enduring value.

First Class Properties – Eric Schwartz


Eric Schwartz is accomplished entrepreneur with 30 years of experience and a strong record of building teams that are focused on delivering results. He possesses a strong detailed knowledge of all stages of development with real world experience getting projects zoned, approved, entitled, planned and constructed. He has experience with complex zoning, subdivision, and land partition projects in the metro New York region. In 1998, Eric founded what today is First Class Properties. First Class Properties, owns, manages and develops luxury residential and commercial properties in the Metro New York Area.


DH Murray Architecture


DH Murray Architecture is a full service Architecture and Design Firm specializing in high end residential design synthesizing ideas into timeless Architectural statements. Drawing on 40 years of design excellence, DH Murray Architecture is leading the charge for the next generation of high end design and architecture.

John Karhu


Innovative high-quality home design. For over 35 years, John K. Karhu Architect P.C. has established a reputation as an award-winning residential architectural firm producing successful projects working in close collaboration with our clients. Although we are a design-oriented firm, we also endeavor to provide the personal and professional service our clients expect and deserve.

Bayview Landscaping

Bayview Landscape Architecture, PC is an award winning multidisciplinary landscape architecture design and project management firm based in Roslyn, New York with a satellite office in New York City. The firm was founded on the principal of quality projects over mass quantity and a very deep sense of ecological responsibility as designers of the land.

Cameron Engineering


Cameron Engineering & Associates, LLP (Cameron Engineering) is a full service multi-disciplined consulting engineering and planning firm founded in 1985. Cameron Engineering is comprised of experienced and qualified engineers, landscape architects, planners, facility operators, and environmental scientists dedicated to providing professional, timely and responsive services to our clients.

Bladykis and Panetta


Bladykas & Panetta specializes in customizing a project to the zoning, permitting, and construction requirements of the individual incorporated villages, towns, county and state agencies. Their office provides the local knowledge of project construction requirements of individual building departments. They provide complete project support for state, Nassau County, Suffolk County, and local Incorporated Village agency approvals.