KOSL Building

KOSL Building and its affiliated subsidiaries have been recognized for their expertise in real estate development for nearly four decades and continue demonstrating their growth and passion as one of the most prestigious real estate companies in the industry.

KOSL Building is a premier custom home design and construction company dedicated to transforming clients’ visions into reality. With a comprehensive range of services from property acquisition to post-construction support, KOSL Building tailors each project to meet the unique needs and preferences of its clients. Their A-Z services encompass property selection, consulting, architectural and engineering design, entitlement processes, and meticulous construction management, ensuring a seamless and personalized experience.

Over the past 35 years, KOSL Building has completed over 250 high-end homes in Westchester, New York, and Greenwich, Connecticut, showcasing their ability to deliver luxury and custom-built residences. Annually, the company averages 6-8 homes, with the vast majority being custom-tailored to their client’s desires. Their portfolio reflects various styles and preferences, highlighting their versatility and commitment to excellence.

KOSL’s service offerings are extensive, covering consulting, real estate brokerage, general contracting and project management, commercial office space rentals, senior housing development, and multifamily apartment rentals. This diverse expertise allows them to manage and develop projects across various real estate sectors with high standards and integrity.

KOSL Building prides itself on its collaborative approach, working with numerous firms and individuals to achieve exceptional results. Their dedication to maintaining high standards and expertise has solidified their reputation as a leader in the industry.