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New Hampshire security deposit law: deadline, deductions and penalties

Quick answer

In New Hampshire, a landlord has 30 days to return the security deposit or send an itemized list of deductions (N.H. Rev. Stat. §§ 540-A:7, 540-A:8). Under New Hampshire law, a landlord who wrongfully keeps a deposit can owe up to twice the amount of the deposit.

Checked against the statute on October 29, 2026.

30

days for a New Hampshire landlord to return the deposit or itemize deductions

The deadline

Within 30 days after the tenant moves out, the landlord must return the entire deposit plus interest or send a written statement of deductions with the balance.

What the landlord must send you

A written, itemized statement of the cost of each repair, supported by copies of receipts, estimates or contracts.

Penalty for wrongful withholding

A landlord who fails to comply is liable for twice the amount of the deposit plus any interest due, less amounts lawfully owed (N.H. Rev. Stat. § 540-A:8).

Read the law

Summary checked against the statute on October 29, 2026. Not legal advice; laws change, so confirm with the source before relying on it.

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Did the landlord send you a written, itemized list of deductions?

New Hampshire security deposit FAQ

How long does a landlord have to return a security deposit in New Hampshire?

Within 30 days after the tenant moves out, the landlord must return the entire deposit plus interest or send a written statement of deductions with the balance.

What must a New Hampshire landlord send when keeping part of the deposit?

A written, itemized statement of the cost of each repair, supported by copies of receipts, estimates or contracts.

What is the penalty for wrongfully keeping a security deposit in New Hampshire?

A landlord who fails to comply is liable for twice the amount of the deposit plus any interest due, less amounts lawfully owed (N.H. Rev. Stat. § 540-A:8).

How do I get my security deposit back in New Hampshire?

Give your landlord a forwarding address in writing, wait for the 30 days deadline, then send a demand letter by certified mail that cites N.H. Rev. Stat. §§ 540-A:7, 540-A:8 and sets a payment date. If the landlord still doesn't pay, you can file in small claims court in the county where the rental is located.

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