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Change a child support amount

Ask the agency handling an open case for a review and adjustment.

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Choose your county on the map. Some counties share a regional agency; its guide lists the counties and branches it serves.
Online enrollment, Customer Connect and the State Disbursement Unit are shared California services.
Use the agency handling your case for changes or debt-reduction applications. Check the hours for the branch and channel you need before visiting.

1 guide with reviewed service links · Trinity

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California58 counties

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

Regional child support agency · Humboldt · Trinity

Humboldt-Trinity Child Support Agency

Humboldt, Trinity counties

Ask to change a child support amountOfficial instructions

Ask the agency handling your open case for a review and adjustment after a qualifying change in circumstances.

Shared California programme guidance

There is no charge to ask the agency for a review and adjustment.

Official information checked October 15, 2026 · Details & sources

Source checked October 15, 2026

California Department of Child Support Services · California Child Support Services — modify (opens in a new tab)

Named California Child Support Services programme section

ifies. This is called a “modification.” Overview: Either parent (or a guardian) can request a “review and adjustment” from the agency handling their case To request a review and adjustment, you must have an open case (a case can be opened at any time) Your support order ca

Saved evidence: 6ddb39d413a5386e · Agent source review

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