Federal, FTB, CDTFA and EDD deadlines for individuals and closely-held businesses — sorted from today's date, refreshed automatically every day you visit.
Federal Form 1040-ES and California Form 540-ES fourth-quarter estimated payments for the prior tax year.
W-2s and 1099-NECs to recipients and IRS/SSA; Form 941 Q4; EDD DE 9/DE 9C Q4; CDTFA Q4 sales & use tax return.
Federal 1120-S and 1065 (or extensions); California 100S and 565/568 for calendar-year entities; remaining CA PTET balance for electing entities is due with the return.
Form 1040 + CA 540 (or extension — pay with it); Q1 estimates (CA = 30%); calendar-year Form 1120 + CA 100; CA LLC $800 annual tax; prior-year IRA/HSA contribution deadline; FBAR due (auto-extends to Oct 15).
Form 941 Q1; EDD DE 9/DE 9C Q1; CDTFA Q1 sales & use tax return.
Federal Q2 estimate; California Q2 estimate (40%); California pass-through entity elective tax (PTET) prepayment for electing entities.
Form 941 Q2; EDD DE 9/DE 9C Q2; CDTFA Q2 return; Form 5500 for calendar-year retirement plans (or extension).
Federal Q3 estimate (note: California's Q3 installment is 0% — no CA payment due); extended 1120-S and 1065 final deadline.
Extended Form 1040 + CA 540 final deadline; extended calendar-year Form 1120; FBAR final (automatically extended) deadline.
Form 941 Q3; EDD DE 9/DE 9C Q3; CDTFA Q3 sales & use tax return.
Fourth-quarter estimated tax for calendar-year C corporations (federal and California).
Roth conversions, charitable gifts, annual exclusion gifts, new employer retirement plan adoption, and S corp reasonable compensation must all be completed by year-end.
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