Purpose of this Article: This solution article provides instructions on how to update your federal income tax withholding information (Form W-4).
Audience: All City & County of San Francisco and Superior Court Employees
Author: Leilani Carandang
Version: 1.0
Last Update: 4/17/2025
Provides instructions on how to add initial, view or update federal income tax withholding information (Form W-4).
A link to the IRS, W-4 and instructions is provided on the W-4 Withholding Certificate page.
Follow the instructions below to update your federal income tax withholding information (Form W-4).
Step 1. From the My Pay tile, click on Tax Withholding and under the Step 1: Personal Information section:
A. Verify Social Security number is correct (Note: Employees must contact their Department Payroll unit regarding their Social Security number if incorrect)
B. Verify Home Address is correct (Note: It cannot be updated on this page, contact Department HR if incorrect)
C. Select the Filing Status i.e., Single, Married filing separately/jointly, Head of Household, etc. (Note: Employees must contact their Department Payroll unit regarding their Social Security number or Home Address is incorrect. They cannot be updated on the W-4 Withholding Certificate page.)
*Complete Steps 2 through Step 4 and Claim Exemption from Withholding sections on the W-4 Withholding Certificate ONLY if they apply to you.
Step 5. Click Submit
Step 6. Enter your City-Wide Active Directory (CWAD) password and click Continue for added security. If you experience password issues, please click the MyApps Portal tile from SF | My Portal to change your password and return to SF My Hub to access W-4 tax information. If the issue persists, please contact your department IT unit to seek their assistance with your City-Wide Active Directory (CWAD) password.
*If the Verify Identity window does not load, make sure your browser settings allow cross-site tracking, cookies, pop-ups and redirects as well as clear your cache. Your local department MIS/IT Support team can also assist you if you need additional assistance.
Step 8. Click Submit
Questions?
Refer to the other related solution articles below for more information. You can also contact us at [email protected].
For questions regarding Direct Deposit and W-4 tax information, please contact your Department Payroll unit.
If your password issue persists, please contact your department IT unit to seek their assistance with your City-Wide Active Directory (CWAD) password.
Related Solution Articles: