Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.The application packets linked below include all relevant forms and instructions needed to apply for each type of exemption. Q: How can I get my current property tax bill? Follow this guide for a breakdown of tax rules and requirements in Suffolk County, and then contact us today for a complimentary assessment. Complete your application. Applications can be downloaded after we issue third-quarter tax bills in December.