Assessing the Third Dimension: New York City’s Journey to 3D Cadastre

Speaker Website

Carmela Quintos

Presentation Category

PLENARY

General Session Description

By leveraging GIS, New York City developed a state-of-the-art three-dimensional tax map and a one-stop shop portal for property owners. Property owners can verify their building and land data for accuracy, view and challenge their assessments and exemptions, view their sales, mortgages and recordings, and trace the history of lot changes to their parcel. The three-dimensional perspective lets assessors walk around buildings and see interior floor plans. The 3D feature enables the potential development of 3D variables, such as views, for valuation. The 3D visualization is particularly important for air lots as it shows the potential for development. We will discuss the challenges in building a 3D cadastre, such as data collection, public and city leadership support, and integration with other city agencies, along with advances in technology that made it all possible.

Location

Mile High Ballroom 1 - 3

Start Date

8-28-2024 11:00 AM

End Date

8-28-2024 12:00 PM

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Aug 28th, 11:00 AM Aug 28th, 12:00 PM

Assessing the Third Dimension: New York City’s Journey to 3D Cadastre

Mile High Ballroom 1 - 3

By leveraging GIS, New York City developed a state-of-the-art three-dimensional tax map and a one-stop shop portal for property owners. Property owners can verify their building and land data for accuracy, view and challenge their assessments and exemptions, view their sales, mortgages and recordings, and trace the history of lot changes to their parcel. The three-dimensional perspective lets assessors walk around buildings and see interior floor plans. The 3D feature enables the potential development of 3D variables, such as views, for valuation. The 3D visualization is particularly important for air lots as it shows the potential for development. We will discuss the challenges in building a 3D cadastre, such as data collection, public and city leadership support, and integration with other city agencies, along with advances in technology that made it all possible.