The Science of Real Estate:

Assessing risk. Engineering returns.

Jay Grenfell
Senior Project Manager

Thought Leader Bio

Mr. Grenfell, REA, LEED AP, has over 12 years experience in the environmental consulting industry and has worked in various disciplines, including regulatory compliance, EH&S, asbestos abatement, air monitoring, Tier II reporting, Phase II ESAs, and environmental due diligence practices, including Phase I ESAs and PCAs. Mr. Grenfell’s primary area of expertise is in the environmental due diligence field, where he has performed hundreds of Phase I ESAs and has managed thousands of due diligence projects. Mr. Grenfell specializes in the unique aspects of due diligence performed in San Francisco and northern California.

About Partner Engineering and Science, Inc.

Partner Engineering and Science, Inc. (Partner) is a full-service environmental and engineering consulting firm completing projects nationwide. We specialize in evaluating properties in connection with real estate transactions, development or management. Learn more at