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New Hampshire Security Deposit Return Deadline
The rule
| Deadline | 30 days |
|---|---|
| Maximum deposit | 1 month or $100, whichever is greater |
| Penalty for wrongful withholding | 2x deposit plus interest, less lawful charges |
| Statute | RSA 540-A:5 to 540-A:8 |
New Hampshire deadline calculator

Room-by-room condition report: 12 rooms, 99 items, move-in and move-out columns, signature lines, and tips that win deposit disputes. Works for New Hampshire rentals. PDF, 5 pages, no sign-up.
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What to send the tenant
Send the remaining deposit, or a written, itemized list of each deduction with its cost (free letter template), to the tenant's forwarding address before the deadline. Keep proof of the date you sent it. Normal wear and tear generally can't be deducted, and a deduction is strongest when your signed move-in report shows the item was in good condition.
DepositDay walks you through the move-in and move-out inspection with timestamped photos, counts down your New Hampshire deadline from move-out day, and writes the itemized deduction letter.
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Common questions
How long does a landlord have to return a security deposit in New Hampshire?
Under RSA 540-A:5 to 540-A:8, a New Hampshire landlord has 30 days to return the deposit or send an itemized statement of deductions.
What is the maximum security deposit in New Hampshire?
In New Hampshire, the security deposit limit is 1 month or $100, whichever is greater.
What happens if a New Hampshire landlord misses the deadline or withholds in bad faith?
The penalty in New Hampshire: 2x deposit plus interest, less lawful charges. Missing the deadline can also cost the landlord the right to keep any of the deposit.
Last reviewed November 2026. Summary of RSA 540-A:5 to 540-A:8, cross-checked against multiple published sources. General information, not legal advice. Laws change, and cities and counties can add requirements. Read the statute or ask a local attorney before you act.