Washington state has two property tax relief programs for senior citizens and people with disabilities. You may be eligible if you have limited income and you're at least 61 years old in the year you apply for the exemption.State law provides 2 tax benefit programs for senior citizens and persons with disabilities. They include property tax exemptions and property tax deferrals. If you are a senior citizen or a person with disabilities with your residence in Washington State you may qualify for a property tax reduction. Click "View More Options" under the "Real Property" tile, then select "Submit a Homestead Deduction Application" under "Real Property Quick Links. Find out if you qualify for tax exemption as a senior or a person with a disability.