Same-sex marriages in Arizona became lawful following a federal district court ruling that struck down Arizona’s ban on same-sex marriage (Majors v. Horne,14 F. Supp. 3d 1313 (D. Arizona 2014)). The state's attorney general declined to defend the state's ban on same-sex marriage.
Reciprocity. Same-sex and opposite-sex marriages legally performed in other jurisdictions are recognized as legal marriages in Arizona.
The U.S. Supreme Court issued a decision in 2015 legalizing same-sex marriage in all states and requiring all states to recognize same-sex marriages legally performed in other jurisdictions (Obergefell v. Hodges, No. 14-556 (6/26/15)).