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. You must own your home in. Find out if you qualify for tax exemption as a senior or a person with a disability. The 2023 Legislature passed Substitute House Bill 1355, which makes changes to property tax exemptions and deferral programs for senior citizens. To qualify for the senior citizen exemption, you must be at least 61 years old on December 31 of the previous year. Washington State Law allows for various exemptions from property taxes.