It involves completing a form and submitting it to the county recorder's office. Application deadline date is September 1st of the current year.To qualify, you must live in the home as your primary residence. Application for Property Tax Exemption. To establish eligibility for property tax exemption, the claimant must sign and file an affidavit with the County. Step 1: Obtain a Transaction Privilege Tax license with the Arizona Department of Revenue. The County Assessor's office in your county may offer a Senior Property Valuation Protection. You can find information online for Maricopa County. Pursuant to article IX, section 2, subsection F, Constitution of Arizona, the exemptions from taxation under this section are allowed in the amount of: 1.