Can child support be retroactively modified

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Kantrowitz, Goldhamer, Graifman, Perlmutter & Carballo, P.C.

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Written/Reviewed By:

Barry S. Kantrowitz, Esq.

Last Updated: Mar 19, 2026

Read Time: 1 mins

Child support can be modified, but it can only be modified as of the date you file a petition. If you are entitled to a modification and you wait six months to file the application to ask for the modification, you will not get retroactive relief. However, if you file a petition and ask for a modification and the modification does not happen for six months, it will be retroactive to the date you filed that petition.

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Can child support be retroactively modified

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