Contact ARC


Community Outreach:

If you are member of a civic association, community organization, or homeowners association and are interested in learning more about the features of AROW and filing an appeal on-line, complete the contact ARC form below and an ARC representative will contact you.

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Filing Applications for Correction:

When: January 4, 2021 to March 1, 2021. Online: Applications may be filed electronically with the same effect as filing on paper through AROW (Assessment Review on the Web) until 11:59 PM on March 1, 2021. Successful transmissions generate an Appeal Number immediately and an e-mail message after a short delay. If you do not receive an email confirming the filing of your appeal within 48 hours, please fill in the contact information below. Be sure to include the section, block, & lot in the comments section, so that ARC’s customer service can contact you.

Mail: Address mail to the Assessment Review Commission, 240 Old Country Road, Mineola, NY 11501. Mail must be post marked by the USPS, or a private carrier designated by the IRS, no later than 11:59 PM on March 1, 2021.

By Hand: 240 Old Country Road, Mineola, NY 11501, from 9:00 AM to 4:45 PM, Monday to Friday, except Martin Luther King’s, Abraham Lincoln’s and George Washington’s birthdays.

ARC customer service window is closed.  Customer service is available via telephone at 516-571-3214 or via email at arc@nassaucountyny.gov. Communication to ARC may be mailed to 240 Old Country Road, 5th Floor, Mineola NY. A drop box is also available outside ARC’s customer service window weekdays between the hours of 9:00 am and 4:45 pm. 

General Contact Information:

E-mail: Speed our response by including your property’s parcel number and the tax year of the assessment at issue in the comments section of your message.

Telephone: 516-571-3214
Email: arc@nassaucountyny.gov
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**Speed our response by including your property’s parcel number and the tax year of the assessment in your message.