Portland Maine Rent Control Calculator

In November 2020, Portland, Maine passed a new ordinance to limit increases in rent. The purpose of the ordinance is to promote community stability and protect tenants, while ensuring landlords receive a fair return on investment. Full text of the ordinance can be found here.

This calculator is a resource to help tenants and landlords calculate the new allowed yearly rent increase for their unit(s).

I am a:

Do any of these apply to you?

Your building has more than four units
(If no to above) Your landlord lives in the building
You live in a dorm or other school housing, or in a building owned by the Portland Public School system
Your unit is owned or operated by a municipal housing authority (such as Portland Housing Authority)
Your unit is funded or controlled by a government agency, such as Section 8 housing (Note: this excludes Section 8 vouchers. If you are using a Section 8 voucher, this item does not apply to you)
You live in an accessory dwelling

Accessory dwelling units are smaller, independent living units on the same land as a single-family home. Common examples are an apartment above a garage, or an "in-law" unit. See a full definition at the American Planning Association
You live in a church, hospital convent, religious facility, or extended care facility

Do any of these apply to you?

Your rental property has more than four units
Your rental property has four units or fewer, AND one of the units is your primary residence
Your rental property is an accessory dwelling

Accessory dwelling units are smaller, independent living units on the same land as a single-family home. Common examples are an apartment above a garage, or an "in-law" unit. See a full definition at the American Planning Association

Based on your response, the rent control ordinance doesn't appear to apply to your apartment/unit (more help text)

See the FAQ, or Section 6-231 of the Ordinance for term definitions and exemptions in more detail.

Current Monthly Rent:

The basic increase allowed in a 12 month period is your current rent multiplied by the Allowable Increase Percentage (AIP).The basic increase allowed in a 12 month period is the current monthly rent multiplied by the Allowable Increase Percentage (AIP).

As of September, 2021, the current AIP is 4.0%

Based on the (rent amount) rent you entered above, the increase amount calculated from the AIP is .
Added to the current rent, the new amount with AIP increase would be .

Other Amounts May Affect Your Increase Total

Additional increase amounts may be allowed for factors such as:

Tax-Rate Adjustment
New Tenancy
Banked Rent
Board Approved Improvements

These additional factors may or may not apply to your situation. In the event of an increase, your landlord is required to notify you of the specific reasons for your rent increase. More information and a definition of terms can be found in the City of Portland Rent Control FAQ and the Ordinance

Add Additional Qualified Amounts:

Additional increase amounts may be allowed for factors such as:

Tax-Rate Adjustment
New Tenancy
Banked Rent
Board Approved Property Improvements

Tax-Rate Adjustment:

Banked Rent:

Improvements:

Adjusted Total:

These additional factors may or may not apply to your situation. As a landlord you are required to notify tenants (in writing) of the specific reasons for any rent increase. More information and a definition of terms can be found in the City of Portland Rent Control FAQ and the Ordinance

A unit's rent may only be increased once in a 12 month period. Combining all factors, the total rent increase in 12 months cannot be more than 10% of the current rent. Based on the inputed rent above, 10% would be .
At maximum possible increase, the new rent amount should not be more than

Landlords are required to give at least 75 days advance notice of an increase in rent by sending a signed document to the tenant. The letter must include the date tenancy began, date of rent increase, and justifications for increase. (See section 6.234-d of the Ordinance or the City of Portland's FAQ)

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