• Four seats vehicle

    Get the insurance coverage you need.

    For quality insurance coverage at the most affordable rates, look no further than the accommodating agents at Hartt Insurance, Agency Inc.



The Hartt Insurance Agency, Inc. building

Let our experience work for you.

Owner, William F. O’Shea III, and office manager, Joseph Grasso CPCU, each have over 30 years experience in the industry. We represent over a dozen of the top insurance carriers, including Hartford and Kemper.


Individualized coverage to fit your needs.

We value you as our customer and will work closely with you to tailor a policy to meet the needs specific to your home, business or automotive coverage. We look forward to developing a working relationship with you.

Contact us today

William F. O’Shea III


45 Main Street
Northport,  NY   11768






Business Hours

  • Monday - Friday 8:30AM to 4:30PM

Independent Insurance Agents & Brokers of NY

Year Established: 1936

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