Mahon, Mahon, Kerins & O'brien, LLC

254 Nassau Blvd, Garden City, NY 11530-5535

Call (516) 538-1111Visit websiteDirections

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Practice areas

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Lawyers and license status

LawyerLicenseStatusAdmittedChecked
Heather Daly CallaghanNY #6002299Currently registered20232026-09-26
Richard T. KerinsNY #2160315Currently registered19872026-09-26
Robert Patrick O'BrienNY #2176246Due to reregister within 30 days of birthday19882026-09-26

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Source: Overture Maps (CDLA-Permissive-2.0). Last updated 2026-09-26.