The sales tax rate in Portland, Maine is 5.5%. That is made up of the 5.5% Maine state sales tax. On a $100 purchase you pay $5.50 in sales tax, for a total of $105.50.
When you buy something in Portland, the price at the register includes a combined sales tax of 5.5%. That is simply the Maine state rate of 5.5%, with no extra local sales tax in Portland. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.
To work out the tax on any purchase, multiply the price by 5.5%. A few quick examples for Portland:
| Purchase price | Sales tax (5.5%) | Total |
|---|---|---|
| $20 | $1.10 | $21.10 |
| $50 | $2.75 | $52.75 |
| $100 | $5.50 | $105.50 |
| $500 | $27.50 | $527.50 |
| $1,000 | $55.00 | $1,055.00 |
Compare Portland with the rest of the state on the Maine sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.
The combined sales tax rate in Portland, ME is 5.5%, which includes the 5.5% Maine state rate.
Multiply the price by 5.5% (i.e. by 0.0550). For example, a $50 item has $2.75 of sales tax, for a total of $52.75.
Divide the tax-inclusive total by 1.0550. The result is the pre-tax price and the remainder is the 5.5% tax.
Yes. Portland applies the Maine state rate of 5.5% with no extra local sales tax.