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Year 2021 Income Tax Changes and Withholding Information

Effective January 2021

 

Federal and State Income Tax Withholding

 

2021 Rates

Tax Summary
Year 2021
Year 2020
Social Security/OASDI Rate
6.2 percent
6.2 percent
Social Security Maximum Wage Base
$142,800
$137,700
Maximum Social Security /OASDI Contribution
$8,853.60
$8,537.40
Medicare Rate
1.45 percent
1.45 percent
Medicare Maximum Wage Base
No limit
No limit
Maximum Medicare Contribution (1.45%)
No limit
No limit
CA SDI – PT Faculty Only
1.20 percent
1.00 percent
CA SDI Maximum Wage Base
$128,298
$122,909
403/457
$19,500
$19,500
403/457 over 50
$26,000
$26,000

Federal Withholding — Form W-4 (exempt status)

Individuals will need to complete a new Form W-4 “Employee’s Withholding Certificate” if they filed exempt in 2020 no later than February 15, 2021 to claim exempt for 2021.
 

 

 

  • Payroll Department

    Saturday 27 November 2021
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  • Peralta Community College District

    The District comprises four colleges serving northern Alameda County.
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