NYC Property Intelligence

Air Rights (Development Rights)

The unused development potential above an existing building, based on the difference between maximum allowed FAR and built FAR.

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What is Air Rights (Development Rights)?

Air rights — more precisely called "unused development rights" — represent the difference between what is built and what is allowed by zoning. In NYC, these rights have significant value, especially in high-density districts.

Air rights can be transferred between adjacent lots through a zoning lot merger, allowing a neighboring building to be built taller than its own lot would allow. In special districts, Transferable Development Rights (TDR) can be moved between non-adjacent lots.

Example: A 2-story building on a lot with FAR 10.0 has significant unused development rights that can be worth millions of dollars in prime Manhattan locations.

Frequently Asked Questions

What are air rights in NYC?

Air rights are the unused development potential — the difference between what's currently built and the maximum allowed by zoning (FAR × lot area).

Can air rights be sold?

Yes. Through zoning lot mergers, development rights can be transferred between adjacent lots. In special districts, TDR can be transferred between non-adjacent lots.

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Air Rights (Development Rights) | RegWatch