National Due Diligence Services, A Division of American Surveying & Mapping, Inc.

National Due Diligence Services is a leading commercial real estate due diligence firm based in Orlando, Florida. We provide comprehensive surveying, mapping, and environmental assessment services to support seamless and informed real estate transactions.

Our mission is to deliver accurate, responsive, and dependable service to our clients, streamlining the due diligence process and mitigating risk. We specialize in a wide range of services, including ALTA/NSPS land surveys, Phase I and Phase II environmental assessments, property condition assessments, and zoning reports – all designed to meet the complex needs of commercial real estate investors and developers.

As a division of American Surveying & Mapping, Inc., a trusted industry leader since 1992, we leverage decades of experience and innovative technologies, such as UAV photogrammetry and LIDAR, to provide unparalleled value. We’re committed to building lasting partnerships and supporting the success of our clients across the United States and internationally.