How do I submit the application?

File it with the Nassau County Department of Assessment at 240 Old Country Road, 4th Floor, Mineola, New York 11501.

What documents should I include?

The application lists ownership and residency documents, a letter verifying the officer’s service and line-of-duty death, and a death certificate. Its instructions also describe other possible evidence.

Is there a fee or filing deadline?

The form says Nassau County does not charge a filing fee. Applications for the 2027–28 property tax year must be filed by January 4, 2027.

Nassau County, NY · Nassau County

No notary required

Application for Real Property Tax Exemption for Surviving Spouses of Police Officers Killed in the Line of Duty

Surviving spouses of police officers killed in the line of duty use this application to request a real property tax exemption from Nassau County.

At a glance

Issued by: City of Nassau County · Nassau County, Nassau County, New York
Notarization: Not required: file this form without a notary.
Official source: nassaucountyny.gov
Blank form: Download the PDF
Catalogued: Oct 5, 2026
Machine-readable: JSON record · about the forms index

What this form is

This application requests a real property tax exemption for an eligible surviving spouse whose primary residence is in Nassau County. It asks about property ownership, residency, the deceased officer’s service and death, and the applicant’s relationship, and lists supporting documents to submit. The form states that applications for the 2027–28 property tax year must be filed with the Nassau County Department of Assessment by January 4, 2027.

Who needs it

A surviving spouse seeking the exemption for a primary residence should complete the application and provide the supporting documents listed on the form.

How to submit it

File the application with the Nassau County Department of Assessment, 240 Old Country Road, 4th Floor, Mineola, New York 11501. The form says there is no filing fee and gives a January 4, 2027 filing deadline for the 2027–28 tax year.

About notarization

This application is signed and dated without a notary; the instructions list sworn statements or affidavits as optional evidence of eligibility.

How to submit this form

1
Download the Application
Download the surviving spouse real property tax exemption application.
2
Complete the Application
Provide the applicant and property details, answer the eligibility questions, and have all owners sign and date the application.
3
Gather Supporting Documents
Include the ownership, residency, and line-of-duty death documentation requested on the form.
4
Submit to the County
File the application with the Nassau County Department of Assessment at the address shown on the form.

Frequently asked questions

Do I need a notary for the surviving spouse tax exemption application?: No. Sign and date the application; the instructions list sworn statements or affidavits as optional evidence of eligibility.
How do I submit the application?: File it with the Nassau County Department of Assessment at 240 Old Country Road, 4th Floor, Mineola, New York 11501.
What documents should I include?: The application lists ownership and residency documents, a letter verifying the officer’s service and line-of-duty death, and a death certificate. Its instructions also describe other possible evidence.
Is there a fee or filing deadline?: The form says Nassau County does not charge a filing fee. Applications for the 2027–28 property tax year must be filed by January 4, 2027.

Need something notarized?

This Application for Real Property Tax Exemption for Surviving Spouses of Police Officers Killed in the Line of Duty doesn’t need a notary, but if you have another Nassau County form that does, a commissioned online notary can help.