File a Homeowners Exemption Tax Year 2020 - 2021 Identification File Exemption Verify Exemption Identification Please verify the homeownership: The Parcel ID is a 12-digit tax map key that can be found on the assessment notice. If you do not know the TMK of the property, you can find it by conducting a property search. Enter the Parcel ID (TMK) in the field below (no spaces).Example: Parcel ID# 1-9-4-044-078-0000 is entered 94044078000. For Co-op Properties, enter the Co-op master, which has a parcel number (TMK) ending with 0000. If you have any issues filing your home exemption online, please contact The Real Property Assessment Division via email or phone: (808) 768-3799 or file a hard copy. Newly created parcel numbers (within the past 12 months) may not be in the website database yet. Call the office or use a hard copy to file an exemption. Parcel ID (TMK) * Continue