State rules
No cap on the amount; 30 days' written notice for a rent increase.
| Amount cap | No cap on the amount. |
|---|---|
| Notice for an increase | 30 days' written notice for a change in a month-to-month tenancy. |
| Frequency | No statewide frequency limit beyond the notice and lease rules. |
| Retaliation window | Retaliation is barred, as everywhere; the presumption window varies — document your dates. |
| Local rent caps | Not barred statewide; check your city. |
| Sources | N.H. Rev. Stat. § 540:11 |
RSA ch. 205-A governs manufactured housing parks, including sale notice; no lot-rent cap.
Rules checked October 2026
Sources: N.H. Rev. Stat. § 540:11. Information, not legal advice.