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Partner Engineering and Science, Inc.
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You are here: Home » About Partner ESI » Our People » Sarah Fonseca

Sarah Fonseca

National Client Manager


Located in

New York, New York
  • Bachelor of Arts, Environmental Studies with a minor in Economics, University of North Carolina at Wilmington, North Carolina
  • Master of Science, Sustainability Management, Columbia University, New York


Sarah Fonseca has over 10 years of experience in the environmental and engineering science service industry. She has authored, managed, and reviewed ALTA Surveys, Geotechnical Services, Zoning Reports, Retro-Commissioning, Feasibility Studies, Energy Audits, Asbestos surveys, Remedial Design/Implementation, Property Condition Assessments, Phase I Environmental Site Assessments, and Construction Monitoring Reports nationwide for a wide range of clientele including CMBS lenders, bridge lenders, regional banks, investors, and developers under ASTM, Freddie Mac, and Fannie Mae guidelines. Projects have included retail, office, industrial, hospitality, multifamily residential, dry cleaners, gasoline stations, mobile home parks, and student housing.

Ms. Fonseca also has extensive experience with discerning conditions of recognized environmental concern and finding best-practice approaches for avoiding or mitigating the financial burden of Phase II and remediation scenarios. She has provided senior-level review and oversight on Phase II work and has interfaced extensively with various regulatory agencies to expedite the process of receiving no further action letters on issues associated with leaking underground storage tanks, dry cleaners, and former industrial sites nationwide.

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