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Nassau County, NY
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Fines & Taxes

Property TaxesProperty Assessments
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Nassau County Tax Lien Sale
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How is My Property Tax Determined?
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Nassau County Traffic and Parking Violations Agency

Contact Us

  1. Acting County Assessor Adamo

    County Assessor

    Joseph A. Adamo

    Chief Deputy Assessor

    Michele Spara

    Contact Us

    County Assessor's Office

    240 Old Country Road 4th Floor
    Mineola, NY 11501
    Ph: 516-571-1500

    Hours

    Monday - Friday
    8 a.m. - 4:30 p.m.

FAQs

  1. Is my property assessment a tax?
  2. What role does the annual assessment of my property play in determining my property taxes?
  3. Won’t my property taxes go down if my assessment goes down?
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  7. County Legislature
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      1. District 1 - Scott Davis
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      2. District 2 - Siela A. Bynoe
        1. Map of District 2
      3. District 3 - Carrié Solages
        1. District 3 Map
      4. District 4 - Patrick Mullaney
        1. District 4 Map
      5. District 5 - Seth Koslow
      6. District 6 - Debra Mulé
        1. Map
      7. District 7 - Howard J. Kopel
        1. District 7 Map
      8. District 8 - John J. Giuffre
        1. District 8 Map
      9. District 9 - Scott Strauss
        1. District 9 Map
      10. District 10 - Mazi Melesa Pilip
        1. District 10 Map
      11. District 11 - Delia DeRiggi-Whitton
        1. District 11 Map
      12. District 12 - Michael Giangregorio
        1. District 12 Map
      13. District 13 - Thomas McKevitt
      14. District 14 - C. William Gaylor III
        1. District 14 Map
      15. District 15 - John R. Ferretti Jr.
        1. District 15 Map
      16. District 16 - Arnold W. Drucker
      17. District 17 - Rose Marie Walker
        1. District 17 Map
      18. District 18 - Samantha Goetz
        1. Committees
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        5. District 18 - Samantha Goetz
      19. District 19 - James Kennedy
        1. District 19 Map
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  8. County Clerk
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  9. County Comptroller
    1. County Comptroller's Office Home
      1. County Checkbook and County Contracts
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    8. Employee & Retiree Health Benefits
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        2. Forms for Retirees
        3. Rate Sheet for Retirees
      3. Active Employees
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        2. Forms for Active Employees
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      6. Forms
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      7. FAQ
        1. New Employees
        2. Covering Your Domestic Partner
        3. Health Insurance Buy-Back Program
        4. Continuing Health Benefits
        5. Continuation of Benefits as a Vestee
        6. Dental Insurance - HealthPlex
        7. Covering Your Spouse
        8. Coverage Dependents - Empire Plan - NYSHIP
        9. Smart Savings
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        11. Survivors of Deceased County Employess & Retirees
        12. Vision Care Benefits - Davis Vision
        13. Covering Your Children
        14. Coverage for Dependents - HMO's
        15. Temporarily Off Payroll
        16. Benefits Retirement for Employess Over 55
        17. Retirees
        18. Providing Supporting Documentation
        19. Flexible Spending Account
      8. Our Providers
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    9. Nassau County Senior Discounts Program
    10. County Finances
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      4. Archived County Contracts
    11. Community Outreach and Events
    12. Living Wage Law
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    13. Employment Opportunities
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    15. Contact Us
  10. County Services
    1. For Seniors
      1. Entitlements, Assistance & Discounts
      2. Recreation, Clubs & centers
    2. For Veterans
      1. Veterans Services & Facilities
        1. Veteran's Counseling
        2. Veterans Services
      2. County Clerk Veterans Services
      3. Important Phone Numbers
      4. Veterans' Real Property Tax Exemptions
      5. Federal Benefits for Veterans
      6. State Benefits for Veterans
      7. Telephone Service Discount
    3. For Disabled Residents
    4. For Minority Residents
      1. Human Rights Commission
      2. Job Development Center
    5. For Property Owners
      1. Property Assessment & Appeal
      2. Property Tax Exemptions
      3. Building & Improving a House
      4. Property Taxes
    6. For Children & Youth
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    7. For Consumers
      1. Consumer Checklist for Home Improvement Contract
  11. COVID-19 INFORMATION
    1. COVID-19 Home
    2. Boost Nassau Recovery Resources
      1. HAP App FAQ
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  12. District Attorney
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  14. Elected Officials
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  20. Health
  21. Housing Assistance
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  23. Laws, Regulations & Codes
  24. Moving to Nassau County
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  26. Temporary Districting Advisory Commission
  27. Transportation
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    3. Nassau Roads & Traffic
  28. Vendor Portal
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  29. Voting & Elections
  30. Vendor Accounts and Claims
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    4. FAQ
  31. Title VI, ADA, and Language Access
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