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Welcome to OneKey, LLC

Onekey, LLC offers Pre-Construction, Construction Management, General Contracting, Trade Work and Design Build Services to meet client’s construction needs on every front. From the initial stages of project planning and development through the construction phase and project delivery, Onekey works in conjunction with clients under a variety of contract types and delivery methods. The Methods utilized include lump sum, Guaranteed Maximum Price (GMP) and negotiated procurement. 

Onekey, LLC provides services as a Builder, General Contractor and Construction Management firm focusing on client services in the development and construction management market in low-rise, mid-rise and high-rise construction. We are particularly suited for complex new construction, renovation and interior projects, which require skilled trades people and sophisticated management technologies. Currently we are working on projects that require a full range of skills from phasing to high end finishes. Whatever the service, Onekey has the skills to provide our customers with value-added results and optimum return on their investment. Although the objective of each individual client is to build their project, Onekey builds not only projects but long-term relationships; as evidence by our list of repeat clients.


Specialty Contractor

Over the past decade, in-city living has become more popular than ever, and Onekey has played a key role in the success of many innovative mixed-use and residential projects. To meet the growing demand for urban living, designers, developers and contractors have discovered new ways to successfully complete large-scale residential/retail projects and apply unique adaptive reuse approaches to aging inner-city structures. In addition to creatively addressing zoning regulations and environmental challenges, bringing mixed-use projects to urban areas means attention to architectural design. Our success in building these unique mixed-use spaces have made us the developer’s choice and specialty contractor for these popular projects.



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241 Hudson Street, Hackensack, NJ 07601. Phone is 201-488-4455 and Fax is 201-488-8283.

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