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Guide to the Office of the County Clerk (PDF)

Filing Business Names & Corporations in Nassau County (PDF)

Notary Public Guide (PDF)

Passport Services (PDF)

Nassau County Clerk Veteran Services

Guide to Obtaining Vital Documents (PDF)

Historical Guide to Nassau County (PDF)

Students Resource Guide to Nassau County (PDF)

Caring For Our American Flag (PDF)

  1. Maureen OConnell

    Maureen O'Connell


    County Clerk

    Alert: Child Victim Act Procedures (PDF)

    Sandy Refund Application (PDF)

    County Clerk Alerts
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News Flash

  1. Law Enforcement and Military Career Fair, Saturday, May 13, 2023

    County Clerk Maureen O'Connell would like to inform you about an upcoming career fair for law enforcement and military positions Read on...

  2. ATTENTION SENIORS: FREE FLU SHOTS

    Nassau County Clerk Maureen O’Connell and Northwell Health System Syosset Hospital are pleased to announce free flu shots for senior citizens in the community. This year it will be held on Wed, Oct 5, 2022 from 9am to 1pm at American Legion Post #144. Read on...

  3. Clerk O’Connell joins the fight against the elimination of single family homes in Nassau County

    Nassau County Clerk, Maureen O’Connell, participated in a rally with more then fifty elected officials urging Governor Hochul to reverse her position and pull back legislation built in her 2022 budget, that effectively eliminates single family home zoning Read on...
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