Stephen Mannhaupt

Stephen J. Mannhaupt, CPA

Partner, Assurance and Attest Services Leader

  • Jericho
  • (516) 336-2479
Stephen J. Mannhaupt, CPA, is the Partner-in-Charge of Assurance and Attest Services at Grassi.  Steve specializes in public accounting, forensic accounting, auditing, and management consulting for clients in the architecture and engineering, professional service, not-for-profit, construction, and real estate industries. Since beginning his career in 1990, Steve has provided expert guidance to clients in specialized areas such as internal control assessment, fraud prevention and investigation, FAR auditing and corporate operational efficiency, in addition to traditional accounting, tax, and audit support.

Steve has been a part of the Grassi team for more than 15 years. An expert in his field, he 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. Additionally, Steve has worked on consulting engagements involving fraud detection, operational reviews, internal control analysis, and the quantification of lost profits.

Steve has had extensive Continuing Professional Education (CPE) in auditing, accounting and taxation.

Revenue Recognition Resources for the Construction Industry

Grassi has partnered with CICPAC to provide construction companies with the resources they need to experience a smooth and effective transition to the new Revenue Recognition standard.

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Revenue Recognition Refresher

Preparing Construction Companies for Imminent Implementation of ASU 606

The new Revenue Recognition standard begins to take effect for nonpublic entities in the calendar year ending December 31, 2019. This means that private construction companies now have mere weeks to prepare for compliance.


EVENT: Revenue Recognition is Going Private

Hosted by Grassi & Co.'s Construction and Manufacturing & Distribution Practices.



    BS, Queens College


    Society of Marketing Professional Services (SMPS)

    American Institute of Architects (AIA)

    Nonprofit Coordinating Committee of New York (NPCCNY)

    Subcontractors Trade Association (STA)

    Construction Financial Management Association (CFMA)

    New York State Society of CPAs (NYSSCPA), Construction Committee Past Chairman

    American Institute of Certified Public Accountants (AICPA)

    New York Building Congress (NYBC), Energy Committee
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