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Technology-powered zoning analysis, built in NYC for the most complex urban environments.

Accurate, comprehensive zoning analysis to unlock opportunity.

In NYC today. In your city tomorrow.

Contact us.

Accurate data

With our proprietary data infrastructure, the analysis is correct, every time.

  • Envelope’s own survey-grade lot map

Accurate data

With our proprietary data infrastructure, the analysis is correct, every time.

  • Envelope’s own survey-grade lot map
  • Up-to-date air rights transaction history

Accurate data

With our proprietary data infrastructure, the analysis is correct, every time.

  • Envelope’s own survey-grade lot map
  • Up-to-date air rights transaction history
  • Corrected zoning boundaries and proximity to corners and wide and narrow streets

Comprehensive coverage

We’ve mapped 100 years of zoning so you can focus on what develops next.

  • All 5 boroughs of NYC
  • Special purpose districts, overlays, and incentive areas
  • Complex zoning scenarios such as split lots and Sliver Law

Native to NYC,
and coming to your city

Envelope is first-of-its-kind, built for one of the most complex cities in the world.

Native to NYC,
and coming to your city

Envelope is first-of-its-kind, built for one of the most complex cities in the world.

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