30 days rent-increase notice.
Montana has no rent control (preempted). Month-to-month increases require 30 days' notice.
What this means for you: Rent can rise by any amount at renewal.
Your next step: Confirm 30 days' notice for a month-to-month change.
Source: Mont. Code § 70-24-201. Reviewed 2026-06-16 (needs local verification).
More Montana rights: Montana security deposit · Montana eviction · Montana repairs · Montana entry notice.
Rent increase in nearby states: Idaho (30 days rent-increase notice) · Wyoming (30 days rent-increase notice) · North Dakota (30 days rent-increase notice) · South Dakota (30 days rent-increase notice).
General legal information, not legal advice. Laws change and vary by locality; consult a licensed attorney or your local housing authority.
Updated July 2026