Home Improvement

The Home Improvement exemption is an eight-year decreasing exemption on permitted alterations, reconstruction or improvements which increase the assessed value of a one or two family home. The value of the home improvement must be at least $3,000, and is limited to $80,000 in increased market value. The project must be completed before an exemption is granted. Exemptions apply to county, town and special district taxes. School districts may opt out of this exemption. In the first year, 100 percent of the assessed value of the improvement is exempt. In the second year, 87.5 percent, in the third year, 75 percent and so on.

Home Improvement Tax Exemption applications may be obtained from the Nassau County Department of Assessment by calling (516) 571-1500 or visiting their office located at 240 Old Country Road in Mineola.

Home Improvement Tax Reduction Program for the Physically Disabled

NYS Real Property Tax Law allows for a property tax reduction for improvements that serve to facilitate the use and accessibility of a one, two or three-family residence occupied by a disabled resident. The tax exemption granted is equal to the amount of any increase in value of property attributable to improvements made for the purpose of facilitating and accommodating the use and accessibility of the property by: a resident owner of the property who is physically disabled, or a member of the resident owner's household who is physically disabled, if the member of the household resides on the property. The exemption applies only to taxes levied by or on behalf of the county, town or school district granting the exemption. The exemption does not apply to special district levies.

Filing Deadline

Applications must be filed with the Nassau County Department of Assessment, 240 Old Country Road, 4th Floor, Mineola, NY 11501 by January 3, 2022.

Download a NYS Office of Real Property Tax Services Partial Exemption for Real Property of People Who Are Physically Disabled Application.
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Page Modified: 07/28/2021 11:48:50