Rosemary Harnisher
Counsel
Rosemary Harnisher
Counsel
Rosemary treats clients the way she’d want to be treated. She gives them peace of mind, knowing they have an estate plan in place that will ensure their wishes are honored and will smooth the estate administration process. Her personal experience with a relative who had no estate plan inspired her to help other families.
Contact
Email: [email protected]
Phone: (516) 357-3054
Fax: (516) 357-3333
926 RXR Plaza
Uniondale, NY, 11556
Practice Groups
Bar Admission
New York
New Jersey
Rosemary Harnisher advises clients in all aspects of trust and estate planning and administration.
Rosemary assists clients with creating and implementing sophisticated estate plans designed to fulfill clients’ personal goals and transfer wealth in a tax-efficient manner. She works on analyzing existing estate plans and provides guidance on additional estate planning opportunities including determining whether irrevocable trusts should be decanted.
Rosemary prepares and reviews gift tax returns and frequently works with multigenerational families and their advisors in connection with designing business succession plans. She customizes estate plans for clients through the preparation of wills, trust agreements, advance directives, beneficiary designations, and corporate entity documents.
Additionally, Rosemary guides fiduciaries and beneficiaries through all phases of trust and estate administration, including probate, valuation and collection of assets, preparation of federal and state estate tax returns and fiduciary accounting proceedings. She counsels clients with respect to post-mortem tax planning techniques and has represented clients in connection with estate tax audits.
Bar Affiliations
New York State Bar Association
Nassau County Bar Association
New York Bar Foundation
Education
Saint John’s University School of Law, J.D.
Drew University, B.A.
News & Publications
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Over 25 Percent of Rivkin Radler Attorneys Recognized by Best Lawyers in America®
August 21 | 2025 -
Rivkin Radler Welcomes 3 Attorneys
March 19 | 2024
Rosemary is a Fellow of the New York Bar Foundation.
Best Lawyers in America ® recognized Rosemary for Trusts & Estates for the year 2026.
