Welcome to

Located on Long Island, Castleton Environmental remains at the forefront of the ever-evolving field of environmental risk management. Committed to delivering the highest level of commercial grade environmental consulting, remediation and risk management services to a range of industries, including real estate development, brokerages, law firms, lending institutions, and property owners, we partner with our clients to determine their objectives, define environmental challenges, and develop cost-efficient and effective solutions.

What we do

  • Environmental Consulting

  • Remediation

  • Risk Management

Who We Work With

Our Team

Frank P. Castellano, President

Donald J. Middleton, Jr., Vice President