See page 6 for complete instructions and general information. Property tax exemptions and deferrals.Note: These programs are only available to individuals whose primary residence is located in the State of Washington. A list of documents that must be submitted with an application for the Tax Exemption Program for Senior Citizens and People with Disabilities. Call your county assessor. All counties in Washington must offer property tax exemptions. A homestead exemption protects homeowners and the equity in their homes from judgment creditors seeking to collect on unsecured debts. Property Tax Deferrals. This fact sheet provides general information about Washington's property tax. Click "View More Options" under the "Real Property" tile, then select "Submit a Homestead Deduction Application" under "Real Property Quick Links.