We size up
any site.
Instantly.

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.