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Karen J. Tenenbaum

Attorney Profile

Top Rated Tax Attorney in Melville, NY

Tenenbaum Law, P.C.
534 Broadhollow Road, Suite 301
Melville, NY 11747
Phone: 631-465-5000
Fax: 631-465-5003
Selected to Super Lawyers: 2014 - 2022
Licensed in New York Since: 1984
Education: Brooklyn Law School
Practice Areas: Tax: Business, Tax: Consumer
Attorney Profile

An attorney for over 35 years, Karen founded Tenenbaum Law, P.C. in 1996, providing legal counsel to individuals and businesses facing IRS and New York State tax problems. She and her team have successfully represented clients in matters concerning NYS residency status, unpaid personal and business tax liabilities, voluntary disclosures, sales tax, innocent spouse, and offers in compromise.

Karen is a frequent speaker on tax issues for numerous professional groups, on topics such as New York residency, and IRS and NYS tax collections, NYS sales tax, and more. She is the current chair of the Tax Law Committee of the Suffolk County Bar Association and previously served as chair of the Tax Law Committee of the Nassau County Bar Association and the IRS Long Island Practitioner Liaison Group.

She is a Certified Public Accountant and holds an LL.M. in Taxation from New York University School of Law. Karen’s guidance and leadership have established her as a leading tax attorney in the NY area. She was selected for inclusion as a New York Super Lawyer as a practitioner in Tax Law.

About Karen J. Tenenbaum

First Admitted: 1984, New York

Professional Webpage:

Scholarly Lectures/Writings

  • Lecturer:    Frequent speaker on various tax topics for numerous professional groups, including: • NYU Tax Controversy Forum • Long Island Tax Professionals Symposium • Nassau County Bar Association - Tax Law Committee; Dean’s Hour • Suffolk County Bar Association - Tax Law Committee • New York State Bar Association - Tax Section; Senior Lawyer's Section • American Bar Association - Section on Taxation • NYSSCPA - Taxation Committee (Nassau and Suffolk Chapters); Estate Planning Committee (Nassau Chapter); CFO Committee (Nassau Chapter) • American Association of Attorney-Certified Public Accountants • Florida Institute of Certified Public Accountants - Gold Coast and Atlantic Chapters • Foundation for Accounting Education • Estate Planning Council of Suffolk County • Estate Planning Council of Nassau County • National Conference of CPA Practitioners (Nassau/Suffolk Chapter) • The Tax and Accounting Institute, School of Professional Accountancy, College of Management, LIU Post Campus, Long Island University • Tampa Bay Estate Planning Council • UJA Federation of New York Author: • Co-Author, More than Just Day Counts: Changing Your Domicile Means Changing Your Life, Not Just Your Physical Location, Journal of Multistate Taxation and Incentives (September 2014) • Co-Author, "Updated Audit Guidelines for New York Residency Disputes," NYYSCPA, Nassau Chapter Newsletter (September 2010) • Co-Author, "Responsible Person Assessments in New York State", 50 Nassau Lawyer 8 (April, 2001) • "Planning Prior to Departure of S Corp. Shareholders May Provide Tax Savings", 18 Taxation for Lawyers 4 (July/August, 1989) and 42 Taxation for Accountants 338 (June, 1989)
  • Publication of the NYS Society of CPAs, Author, How Do You Think The New Administration Will Change The Tax Landscape For Your Clients?, The Trusted Professional – NYSSCPA, April 2021, Legal And Accounting, 2021
  • Publication of the Suffolk County Bar Association, Author, Act Fast to Take Advantage of an IRS Offer-in-Compromise, Suffolk Lawyer, May 2021, Legal, 2021
  • Publication of the NYS Society of CPAs, Author, Minimizing the Risks of a New York State Residency Audit After COVID , Tax Stringer, August 2021, Legal And Accounting, 2021
  • Publication of the Financial Planning Association, Author, COVID-19 Sheltering in Place May Lead to Tax Liability for Clients, Journal of Financial Planning, September 2020, Financial Services, 2020
  • Publication of the NY Restaurant Association, Author, Steps You Can Take When You Can’t Pay Your Taxes, Restaurant Association, September 2020, Restaurant, 2020
  • Publication of the Nassau County Bar Association, Author, Will COVID-19 Affect Your Clients’ New York State Tax Residency?, Nassau Lawyer, December 2020, Legal, 2020

Special Licenses/Certifications

  • Certified Public Accountant

Educational Background

  • NYU School of Law LL.M. (Tax), 1987

Other Outstanding Achievements

Bar/Professional Activity

  • Current Chair of the Tax Law Committee of the Suffolk Bar Association , 2020
  • Chair: •  Past Chair, Financial Literacy Committee, New York State Society of Certified Public Accountants (NYSSCPA), Nassau Chapter • Past Chair, Tax Law Committee, Nassau County Bar Association • Past Executive Board Member, NYSSCPA, Nassau Chapter • Past Chair, Tax Liaison Committee, National Conference of CPA Practitioners (NCCPAP), Nassau/Suffolk Chapter • Past Chair, State and Local Taxation Committee, NYSSCPA, Nassau Chapter • Past Chair, Professional Skills Development Conference, NYSSCPA, Nassau Chapter • Past Chair, IRS Garden City Practitioner Liaison Group • Past Co-Chair, Joint Committee of Attorneys and Accountants, NYSSCPA, Nassau Chapter • Past Co-Editor, Nassau Newsletter, NYSSCPA, Nassau Chapter Member: • NYSSCPA, Nassau Chapter (Taxation Committee) • American Association of Attorney-Certified Public Accountants • NCCPAP, Nassau/Suffolk Chapter (Federal and New York State Tax Liaison Committees) • Nassau County (Tax Law Committee), Suffolk County (Tax Law Committee), New York State (Tax Section) and American Bar Associations (Section of Taxation) • IRS Long Island Practitioner Liaison Group • Long Island Tax Practitioner Planning Symposium Committee • Staff Member, Brooklyn Journal of International Law


  • , Power 25 Lawyers List, LIBN, 2021
  • , Award of Recognition for Tax Law Committee, Suffolk County Bar Association, 2021
  • , Power Lawyers Event Honoree, Schneps Media, 2021
  • , Who’s Who in Women in Professional Services, LIBN, 2021
  • , Named Chair of the Tax Law Committee of the Suffolk Bar Association, Suffolk Bar Association, 2020
  • , LIBN Business Hall of Fame Honoree , Long Island Business News , 2020
  • Tenenbaum Law has been selected as The Best Tax Law Firm on Long Island by the Long Island Business News readers., Readers Ranking Top Tax Law Firm , Long Island Business News , 2019
  • Karen was honored as an ATHENA finalist. , ATHENA Finalist , ATHENA Leadership Award, 2019
  • Karen has been recognized as a Top Lawyer in Long Island awarded to her by the Richner Communications/Herald Community Newspapers. , Top Lawyer Award , Richner Communications/Herald Community Newspapers , 2019
  • Top Women in Law Award, Hofstra University School of Law, Center for Children, Families, and the Law, 2016
  • Future 50 Award Recipient, SmartCEO, 2016
  • CPA & ESQ. Awards Finalist, SmartCEO, 2015
  • Leadership in Law Award, Long Island Business News, 2015
  • Top 50 Most Influential Women in Business 2014, Long Island Business News, 2014
  • Most Impressive Case Victory, Top Ten Legal Eagle, Long Island Pulse Magazine, 2013
  • Goldman Sachs 10,000 Small Businesses, LaGuardia Community College, 2013
  • Count Me In/American Express OPEN Business Competition, Top 10 Pitch Winner, GS10KSB, 2012
  • Sam Traum Achievement Award (pg. 4), Awarded for grateful appreciation of dedication, leadership, and mentoring within the accounting profession, New York State Society of CPAs, Nassau Chapter, 2007
  • Commerce Plaza, Inc., Commerce Plaza Honoree
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Office Location for Karen J. Tenenbaum

534 Broadhollow Road, Suite 301
Melville, NY 11747

Last Updated: 8/31/2022

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