Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Margaret Irene O'Brien

Currently registered

Margaret Irene O'Brien is an attorney admitted to the New York State Bar in 2002, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number4090478
Bar statusCurrently registered
Year admitted2002
Judicial departmentDepartment 3
Law schoolSanta Clara University School of Law
Practice cityNew York, NY
CountyNew York
Firm / organizationZimmet Law Group, P.C.
Office address477 Madison Ave, New York, NY, 10022
Phone(347) 428-9920
Next registration dueJun 2028

About Zimmet Law Group, P.C.

Zimmet Law Group, P.C. is a New York law firm that describes itself as a full-service practice serving clients in New York City and the surrounding suburbs. The firm says its lawyers are admitted to practice in New York and New Jersey, and that it serves both individual and corporate clients. It also states that it represents people with group legal plans as well as those without, and it has a partnership with MetLife Legal Plans for members in the New York City area.

Practice areas of Zimmet Law Group, P.C.:

Family & Divorce Trusts & Estates Real Estate Commercial Litigation Landlord-Tenant

These are the practice areas the organization describes on its website. They are not a statement about Margaret Irene O'Brien’s own practice or any specialty certification.

View the Zimmet Law Group, P.C. profile and its 6 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of Margaret Irene O'Brien, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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