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New Hampshire Family Laws

New Hampshire is an equitable distribution state — the court presumes an equal division of marital property is equitable, but may adjust based on statutory factors. The state allows both no-fault divorce (irreconcilable differences) and fault-based grounds. Custody is determined under the "best interests of the child" standard in the Parental Rights and Responsibilities Act (RSA 461-A). New Hampshire reformed its alimony laws in 2018, introducing a formula-based approach with a presumptive duration cap of 50% of the length of the marriage.

Last verified: 2026-02-25

Filing Requirements

Residency RequirementRSA 458:5

Either both parties must be domiciled in New Hampshire when the action is filed, or the plaintiff must have been domiciled in the state for at least one year prior to filing.

Key New Hampshire Statutes

No-Fault Divorce — Irreconcilable DifferencesRSA 458:7-a

A divorce may be granted on the ground of irreconcilable differences that have caused the irremediable breakdown of the marriage, regardless of the fault of either party. This is the most common ground for divorce in New Hampshire.

Equitable Division of Marital PropertyRSA 458:16-a

The court presumes equal division is equitable but may adjust based on factors including: each spouse's age, health, income, occupation, employability, liabilities, opportunity for future income, the contribution of each spouse, and tax consequences. All tangible and intangible property is subject to division, including vested and non-vested retirement benefits.

Best Interests of the Child (Custody)RSA 461-A:6

Courts consider factors including: the relationship of the child with each parent, each parent's ability to provide for the child's needs, the child's adjustment to home, school, and community, the child's developmental needs, and any history of abuse. Both parents submit a parenting plan as required by the court.

Alimony (Spousal Support)RSA 458:19

New Hampshire considers the length of the marriage, age, health, income, and employability of each party, and the standard of living during the marriage. Term alimony amount is presumptively the lesser of the payee's reasonable need or 23% of the difference in gross incomes. Duration is presumptively capped at 50% of the marriage length.

Child Support GuidelinesRSA 458-C

New Hampshire uses a percentage-of-income model based on combined net income and number of children. Child support continues until age 18, or until the child graduates high school or 2 months after turning 19, whichever comes first.

Domestic Violence Protective OrdersRSA 173-B

Victims of domestic violence can petition for protective orders requiring the abuser to vacate the home, stay away, and surrender firearms. Emergency temporary orders can be granted ex parte. Violations are criminal offenses.

Official Sources

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in New Hampshire.

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