Apply for child support

You can open a case online, by mail, or in person at our Child Support office.

What to do

Apply online

You'll be asked for basic information about yourself, your children, and the other parent.

It can take 5 to 15 minutes to apply.

In-Person

In-Person

Apply in person

You can apply for child support in person at the Department of Child Support Services. 

You can either:

Get ready for your visit 

We look forward to working with you! Prepare for your first visit

Child Support Services

Main Office
617 Mission Street
San Francisco, CA 94105-3503

Mon to Fri, 8:00 am to 5:00 pm

View location on google maps

Made an appointment but need to cancel it? Let us know you need to change your appointment.

Mail

Mail

Apply by mail

1. Fill out an application 

Download the PDF packet and fill in your details.

2. Mail your application 

Child Support Services

Main Office
617 Mission Street
San Francisco, CA 94105-3503

What happens next?

Expect to hear back about the status of your application.

Contact our office if you have any questions. 

Special cases

If someone isn't legally recognized as a parent

If someone isn't legally recognized as a parent

Sometimes a parent or guardian is not recognized by law as their child's legal caregiver.

This can affect whether you can get child support and other benefits, as well as custody and visitation rights.

There's a free way to get legally recognized. See how to get recognized as a legal parent.

Get help

Child Support Services

Main Office
617 Mission Street
San Francisco, CA 94105-3503

Mon to Fri, 8:00 am to 5:00 pm

View location on google maps

Phone

You must answer automated questions before you talk to someone.

Last updated November 8, 2024