Exercising innovation and quality
with unparalleled integrity, Walden excels
at meeting the demands of protecting the environment while sustaining business progress.

What makes us different

Walden’s founder and Principal sought to provide superior technical expertise, personalized attention to clients’ needs, and outstanding results in a cost-conscious manner. These guiding principles drive us to continually expand our capabilities
and provide extraordinary service to satisfy our clients.

Innovative Engineering


Exceptional Service


Creative Solutions


Impressive Results


More About Us


Case Studies

Structural Inspection of MOSF Tanks

Posted by J. Heaney

Walden was retained to evaluate existing tanks and provide recommendations for their removal, abandonment, and replacement to suit our client’s needs at a Major Oil Storage Facility (MOSF).

  • Environmental Consulting
  • Environmental Engineering
  • Civil Engineering
More Case Studies


  • As the Town of Hempstead’s primary environmental consultant since 1995, Walden always tries to improve Town operations, manage costs, gain regulatory compliance, foster good working relationship with regulators, and ensure projects’ budgets and schedules are met. Walden’s staff are qualified and committed to providing excellent service.

    John Gibilaro
    Supervisor of Building Operations
    Town of Hempstead, NY
  • Walden has served us for more than a decade on our compliance and tank needs. They always complete their work in a professional manner and in the highest quality. From regulatory agency interaction, to spill response and tank permitting, their engineering staff is always responsive, thoughtful, and confident – I look forward to continue working with them in the future.

    Municipal Water Supplier
    Long Island, NY
  • I have worked with Walden on a number of successful projects. The professionalism of their staff and their attention to detail is exemplary. The end product is always a win-win. I wouldn’t hesitate to use them for future projects.

    Massapequa Park
    Incorporated Village of Massapequa Park, NY

Latest Articles

18 Jun Walden Day 2019
Posted by Ashley Mantrana

Walden Environmental Engineering volunteered at The Book Fairies on June 7th for Walden Day 2019. What…

13 Jun Did you receive a Local Law 84/133 Benchmarking Violation?
Posted by Sydney Schandel

Did you receive a Local Law 84/133 Benchmarking Violation? According to New York City’s Covered…

11 Jun NYCDEP Deadlines on Fuel Conversion for Boilers
Posted by Massimiliano Lelli, CSP

NYCDEP DEADLINES ON FUEL CONVERSION FOR BOILERS  The New York City Department of Environmental Protection…

4 Jun Meet Walden’s 2019 Scholarship Winner!
Posted by Ashley Mantrana

Commitment to Our Community: High School Scholarship Walden Environmental Engineering offers a scholarship to high…

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