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Maine is legally clean but small.
The law and the data both work here. No legal obstacle, just a small market administered town by town.
So Maine decides these on market value, which means the evidence is recent sales of genuinely comparable homes. What really matters is whether that whole set of sales sits below your assessed value. If they bracket your assessment instead of falling under it, boards usually side with the assessor, because nothing's been clearly disproved.
Now a few things lose almost everywhere. Comparing your assessment to a neighbor's assessment usually doesn't count where the argument's market value. One sale on its own can pretty easily be dismissed as an outlier. And the size of your increase, or the size of your bill, isn't really evidence about what your home's worth.
Deadlines here are set locally rather than by one statewide date, so the one that binds you is printed on your own assessment notice.
And that notice is really the thing to go find today, honestly. It's what starts your clock, it's usually a much shorter window than people expect, and there's no getting it back once it's gone.
First, look up your own record. Your town's assessor sets your value, and your tax bill shows it. Many towns don't assess at full value, so your town's certified ratio matters too.
Next, know where to file. You send a written abatement request to your assessor within 185 days of the date your town committed its taxes, which is usually in the summer, so the deadline usually falls in late winter. The assessor's got 60 days to decide, and no answer counts as a no. After that you can appeal to your town's Board of Assessment Review within 60 days, and after that to Superior Court.
Then bring the evidence that wins here. Maine presumes the assessment's right, so it's on you to show it's clearly wrong compared with what your home's really worth, using sales of genuinely similar homes.
Also, check your exemptions. The homestead exemption takes up to $25,000 off your home's value, adjusted by your town's ratio, if you've owned a home in Maine for the past 12 months. You apply once with your town by April 1.
We only turn a state on once we've read its appeal rules and its actual board decisions, because that's how we make sure what we tell you is right and not generic. It takes a few days per state, and honestly it's the reason our answers are worth anything.
In the meantime our free check runs in parts of Illinois, Washington, Ohio, Georgia, Colorado, North Carolina and Oregon, and in every town in New Jersey. If you leave your email on the check page, we'll write to you the day Maine goes live, and we won't email you before that.
We've screened all fifty states and DC on the same two questions. Does winning a lower market value actually lower your bill, or is there a cap sitting in between? And can you even put the evidence together from public records?
This comes from our own fifty-state screen, where we checked each state's cap, whether sale prices are public, whether there's an argument based on assessed values, and how many appeals actually get filed. Where we've quoted an appeal count, it's from the state or county that published it. If you spot an error, please write to hello@propertytaxbuddy.com and we'll correct it and say what changed.