San Diego Tax Filing Deadline 2024. Individual income tax returns and payments normally due on april 15, 2024; Individual income tax returns and payments normally due on april 15, 2024.
People can obtain candidacy papers from the city clerk’s office by appointment from 7:30 a.m. San diego county residents and businesses now have until june 17 to file individual and business tax returns and pay federal taxes, the internal revenue service.