How do I enter California Tax Computation for Certain Children with Unearned Income on my CA return?

You can complete the CA tax computation Form 3800 by following the steps below:

  1. State Return
  2. Edit (Three Dots)
  3. Additional Tax
  4. Tax Computation for Certain Children with Investment Income (CA Form 3800)

Complete form FTB 3800 if all of the following apply:

  • The child is age 18 or under or a full time student under the age of 24 at the end of 2025.
  • The child had unearned income taxable by California of more than $2,700.
  • At least one of the child's parents was alive at the end of 2025.
  • The child was age 18 at the end of 2025 and did not have earned income that was more than half of the child's support.
  • The child does not file a joint return for 2025

For additional information, click here.

 

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