Westside Income Tax

Income Tax & Business services

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Date Type Task / Form Action & Instructions
UPCOMINGJan 15, 2025 FedState Q4 2024 Estimated Tax
Form 1040-ES / 540-ES		 IRS Direct Pay CA Web Pay
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IRS Direct Pay:
Reason: Estimated Tax > Apply: 1040-ES > Period: 2024
UPCOMINGJan 31, 2025 Payroll Q4 Payroll Filing & W2s
File 941/DE9. Mail W2s.		 IRS EFTPS CA EDD
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EFTPS: Login > Form 941 > Q4 2024
EDD: File DE 9 and DE 9C
UPCOMINGMar 17, 2025 FedState S-Corp & Partnership Returns
Form 1120-S / 1065		 CA Web Pay Biz
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CA FTB: Entity: Corp/LLC > Payment: Extension (3539) or Pass-Through Entity Tax
UPCOMINGApr 15, 2025 FedState Income Tax Returns
Indiv (1040) & C-Corp (1120)		 File via CPA or Tax Software
UPCOMINGApr 15, 2025 State CA LLC Annual Tax ($800)
Form 3522		 CA Web Pay Biz
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CA FTB: Entity: LLC > Form: 3522 (Annual Tax) > Year: 2025
UPCOMINGApr 15, 2025 Fed Q1 2025 Estimated Tax IRS Direct Pay
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Reason: Estimated Tax > Apply: 1040-ES
UPCOMINGApr 15, 2025 Fed Q1 2025 Estimated Tax IRS EFTPS
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EFTPS: Login > Make Payment > Select 1120 > Estimated Tax
UPCOMINGJun 16, 2025 Fed Q2 2025 Estimated Tax IRS Direct Pay
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Reason: Estimated Tax > Apply: 1040-ES
UPCOMINGJun 16, 2025 Fed Q2 2025 Estimated Tax IRS EFTPS
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EFTPS: Select 1120 > Estimated Tax
UPCOMINGSep 15, 2025 Fed Q3 2025 Estimated Tax IRS Direct Pay
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Reason: Estimated Tax > Apply: 1040-ES
UPCOMINGSep 15, 2025 Fed Q3 2025 Estimated Tax IRS EFTPS
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EFTPS: Select 1120 > Estimated Tax
UPCOMINGDec 15, 2025 Fed Q4 2025 Estimated Tax
C-Corps Only		 IRS EFTPS
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MANDATORY EFTPS:
1. Login to EFTPS.gov
2. Click "Make a Payment"
3. Select Tax Form: 1120 (US Corp Income Tax)
4. Select Payment Type: Estimated Tax
5. Select Tax Period: 2025 (Q4)
2026 CALENDAR YEAR
UPCOMINGJan 15, 2026 Fed Q4 2025 Estimated Tax IRS Direct Pay
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Reason: Estimated Tax > Apply: 1040-ES
UPCOMINGFeb 2, 2026 Payroll Q4 2025 Payroll Filing File via EFTPS / EDD
UPCOMINGMar 16, 2026 Fed S-Corp & Partnership Returns CA Web Pay Biz
UPCOMINGApr 15, 2026 Fed Income Tax Returns IRS Form 1040 / 1120