Stephen J. Mannhaupt

Partner, Grassi & Co., CPA's, P.C.

Stephen J. Mannhaupt, CPA Partner-in-Charge of Assurance and Attest Services E-mail address: Stephen J. Mannhaupt, CPA, is the Partner-in-Charge of Accounting and Attest Services at Grassi & Co. Steve specializes in public accounting, forensic accounting, auditing, and management consulting for clients in the, architecture and engineering, construction, professional service, real estate and not-for-profit industries.

Since beginning his career in 1990, Steve has provided expert guidance to clients in specialized areas such as sustainability, internal control assessment, fraud prevention and investigation, and corporate operational efficiency, in addition to traditional accounting, tax, and audit support. Steve has been a part of the Grassi & Co. team for more than 25 years, and is a member of the firm’s Executive Committee. Steve also serves as the Chair of the Firm’s Internal Accounting and Auditing Committee. In this role, Steve is responsible for ensuring the Firm is in compliance with professional standards and that the staff is current with the ever changing accounting and auditing guidance.

Additionally, Steve frequently provides formal continuing education (CPE) training programs for all levels of Grassi & Co.’s staff. To keep abreast of the issues facing our clients, Steve stays active in industry trade associations. Steve is an active presenter at the New York State Society of CPAs (NYSSCPA) – Foundation of Accounting Education (FAE) and the American Institute of Certified Public Accountants (AICPA). Steve is a past president of the NYSSCPA Construction Committee.

An expert in his field, Steve has written articles on a variety of accounting topics and has conducted educational seminars for clients, accounting societies, and other professionals in banking, surety and law. As part of Steve’s charitable endeavors, he serves on the board of directors of the ACE Mentor Foundation, where he holds the officer role of Treasurer. Steve is a graduate of Queens College and is a member of the NYSSCPA and the AICPA.