How To Make A Payment

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Electronic payments can be made online on the website using your Visa or MasterCard at You will need your Social Security number, your Participant ID# and contact information.

No Fees


Call 1-866-901-3212 (option 1). Electronic payments can be made using your Visa or MasterCard. You will need your Social Security number and Participant ID number.

No Fees


Mail your check or money order to CA State Disbursement Unit PO Box 989067 West Sacramento CA 95798.

No Fees


All ACH (bank account) payments can be made through ExpertPay. You can register at and/or download the ExpertPay app.

One-time Registration Fee of $2.50 and no charge for ACH withdrawals thereafter. 


Find a location at or call 1-800-926-9400. You will need your child support Participant ID number and Receive Code 14630 for California child support payments.

$1.99 Fee per transaction.



Pay at 7-Eleven, Family Dollar and ACE Cash Express. You will need a reusable payment code, which you can obtain at or call 1-866-901-3212. Print it or keep it on your smartphone and show it each time you make a payment.

$1.99 Fee per transaction


Payments can be made online via by selecting the PayPal hyperlinks. You can make on-demand one-time, future-dated, and recurring payments using PayPal balance, PayPal branded debit and credit cards, bank account debit card, and credit card (Visa, MasterCard, American Express and Discover).

2.49% ($3.95 minimum) service fee on every transaction.  

In Person

Contra Costa County DCSS accepts payments via cash, check, money order, debit or credit card payments through our TouchPay kiosk. A drive-up payment window is available, 8:00-5:00pm at our office located at 50 Douglas Dr, Martinez CA 94553. Another payment kiosk is located at Pittsburg City Hall, 650 Railroad Avenue, Pittsburg CA 94565.

2.2% flat fee on all credit/debit card transactions

No fee for cash payments