About Extell

Extell Development Company. Extell is a full-service development company driven by an internal team of talented real estate professionals whose combined breadth of experience includes all areas of real estate development. Clear communication and proficient execution enable us to successfully acquire, finance, develop, market, and manage the most sophisticated development projects.


The Extell success story includes developing some of the world’s most elevated residences and redefining luxury development throughout New York City. Our portfolio continues to expand throughout New York and other premier markets across the nation.

Extell currently has 13 active development projects in New York and New Jersey and is the owner of Four Seasons Resort and Residences in Vail, CO and Four Seasons Las Colinas, Dallas, TX.

The information contained in this website is strictly for informational purposes and shall not be construed as an offering for sale. All renderings and illustrative maps are conceptual only and subject to change. Amenities shown in renderings and illustrative maps are proposed, may have not received approval and may not occur.

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