New Hampshire landlord guide
Deposit limits, entry notice, termination notice and rent increase rules for New Hampshire, with the sources they come from.
New Hampshire landlord-tenant rules at a glance
- Security deposit limit
- 1 month's rent or $100, whichever is greater (RSA 540-A:6)
- Deposit return / claim rule
- 30 days
- Deposit interest
- Required if held 1 year or more, at savings-account rate (540-A:6)
- Notice before entry
- Entry requires tenant consent except emergencies (RSA 540-A:3)
- Ending a month-to-month
- 30 days notice to quit; good cause required (RSA 540:2, 540:3)
- Notice before a rent increase
- 30 days written notice; 60 days for manufactured housing parks
- Late fees
- No state statute setting a cap or grace period
- Rent control
- No rent control and no state cap on rent increases
General information from the NH RSA 540 (Actions Against Tenants) and RSA 540-A (Prohibited Practices), last reviewed 2026-08-21. Not legal advice; municipal bylaws can add requirements.
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