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.Learn more about exemptions and deferrals for senior citizens, persons with disabilities, and disabled veterans. Find out how to qualify and apply. 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. The Tax Exemption Program for Senior Citizens and People with Disabilities reduces your property tax liability. You do not need to repay these taxes. The claimant must own and occupy the residence as his or her principal residence at the time of filing and for each year the exemption is claimed. The 2023 Legislature passed Substitute House Bill 1355, which makes changes to property tax exemptions and deferral programs for senior citizens.