We size up
any site.
Instantly.

Our technology powers zoning analysis for the most complex urban environments.

Accurate, comprehensive zoning analysis to unlock opportunity.

Made in NYC. Trusted Everywhere.

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

Native to NYC

Envelope’s roots give us an exceptional advantage on any project in New York City.

  • Every property, every block, all 5 boroughs
  • Special purpose districts, overlays, and incentive areas
  • Complex zoning scenarios such as split lots and sliver law

Global Reach

Envelope’s technology is first-of-its-kind, built for the most complex cities in the world, and scalable anywhere.

Global Reach

Envelope’s technology is first-of-its-kind, built for the most complex cities in the world, and scalable anywhere.

Our Technology

Zoning Rules to 3D Massing in Minutes

Our software parses complex zoning rules into easy to understand 3D visualizations. From height and use mix to special districts and overlays, our technology accurately interprets even the most complex zoning scenarios

Assemblage and Air Rights Analysis

Our technology permits unlimited assemblages of adjacent lots, discovers available development rights for transfer, and generates unified 3D scenarios even across district lines.

Accurate and Scalable Data Infrastructure

From survey-grade parcel maps to up-to-date air rights transactions, our data is always accurate, comprehensive, and current. Battle tested in NYC, our data infrastructure is scalable to even the most complex urban environments.

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