Published · Sep 1, 2026

Portland, Maine sets a 2.6% allowable rent increase for 2027

Portland's Allowable Increase Percentage for calendar year 2027 is 2.6%: 70% of the 3.7% rise in Greater Boston CPI from July 2025 to July 2026. The city sets the figure on September 1 each year. For increases in 2026 it is 2.2%.

From the official source

1. City of Portland, MaineRent Control & Rental Housing Rights ↗

   “Therefore, the Allowable Increase Percentage for calendar year 2027 is 2.6%.”

   Checked against our saved copy of the page

Also on the official pages

• “the CPI-U for the greater Boston metro area advanced 3.7%”

• “the allowable increase percentage shall be determined on September 1 of each year, and shall be equal to 70 percent of the change in the Consumer Price Index (CPI-U) for Greater Boston Metro Area”

• “2026 2.2%”

Current caps

• Portland, ME: current cap 2.2% · calculator

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