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How property tax assessment appeals work in Minnesota

By Daniel C. Swenson, Minnesota attorney. Educational information, not legal advice about your situation.

The deadlines at a glance

  • Assessor call: any time, easiest before the boards meet
  • Local board: April 1 to May 31, exact date on your valuation notice
  • County board: June, starting the second Friday
  • Tax Court petition: April 30 of the year the tax is payable. The notice you received in spring 2026 sets your 2027 taxes, so that value can be challenged in Tax Court until April 30, 2027.

What you are actually appealing

Every January 2, your county assessor sets two things for your property: its estimated market value and its classification (how the property is used, which sets its tax rate). In March or April you get a valuation notice stating both. That notice is not a bill. The value it states controls the tax you will pay the following year.

An appeal argues one of two things: the market value is higher than what the property would actually sell for, or the classification is wrong (say, your homestead is not marked as one). An appeal is not the place to argue that taxes in general are too high; the levy is set by your city council, county board, and school board at budget time, and the assessment only divides it.

Route one: call the assessor

Most successful appeals never reach a board. When the notice arrives, call the assessor's office (the number is on the notice) and ask them to walk through your property record. If the record has factual errors (square footage, finished basement, bathroom count), assessors routinely correct them without any hearing. If you have better evidence of value, a recent appraisal or purchase, or sales of similar homes, show it. This costs nothing and does not waive any later rights, but it has to happen quickly: once the boards meet, informal changes get harder.

Route two: the boards of appeal and equalization

If the assessor will not move, your first formal stop is the Local Board of Appeal and Equalization, which meets between April 1 and May 31; your exact date is printed on the valuation notice. The board is usually your city council or town board sitting in a different hat. Bring evidence: comparable sales, photographs of condition problems, an appraisal if you have one. The board can lower the value, leave it, or raise it.

Some cities and townships have transferred their board powers to the county. If yours has, you attend an open book meeting with the assessor's office instead, and you can go straight to the county board afterward.

The County Board of Appeal and Equalization meets in June, for two weeks starting the second Friday. In most counties you must have appeared at your local board first (open-book jurisdictions excepted). The county board hears the same kind of evidence and has the same powers.

Route three: the Minnesota Tax Court

The Tax Court route runs on its own track: you do not need to have appeared at either board. A petition under Minnesota Statutes chapter 278 must be filed and served by April 30 of the year the tax is payable. In practice that means the value on this spring's notice can be challenged in Tax Court until April 30 of next year.

The court has a small claims division for homesteads and smaller disputes: simpler procedure, no appeal from its decision, and many owners handle it themselves. The regular division fits bigger or more complex cases, and that is where a lawyer earns their fee. One warning worth knowing: the taxes must generally still be paid on schedule while a petition is pending, and a successful petition ends in a refund.

Is there a hearing, and can the value go up?

It depends on the route. The assessor call is paper and phone only. The local board allows an appearance in person or by letter. A Tax Court petition that does not settle ends in a real hearing: you appear before a judge, testify about your property, and the county attorney can question you. Small claims hearings are informal, usually an hour or two, with no court reporter. Most petitions settle with the county before a hearing happens.

Two risks belong in the open. First, every formal route can raise the value as well as lower it; the statute directs the Tax Court to sustain, reduce, or increase the assessment (Minn. Stat. section 278.05), and the boards have the same power after notice. Raises are rare on owner-filed home appeals, but do not appeal a house that honest comparable sales suggest is under-assessed. Second, the taxes must stay paid on schedule while a petition is pending, or the case is automatically dismissed. A win comes back to you as a refund with interest.

What actually persuades

Every route runs on the same fuel: evidence of what the property would sell for. In rough order of weight: a recent arm's length purchase of the property itself, a professional appraisal, closed sales of genuinely similar homes nearby, and documented condition problems the mass-appraisal model cannot see. What does not persuade: your tax bill went up, your neighbor pays less, or the increase feels too big. Boards hear those every year and move on nothing.

The deadlines, one more time

  • Local board: April 1 to May 31, exact date on your valuation notice.
  • County board: two weeks starting the second Friday in June, local appearance usually required first.
  • Tax Court: petition filed and served by April 30 of the year the tax is payable (Minn. Stat. section 278.01).

The deadline page tracks all three with a countdown.

Want help with yours?

Request appeal help and a participating property tax professional will reach out, or use the attorney path on that page if your dispute belongs in front of a lawyer. Working it yourself? The printable appeal checklist walks the evidence and filing steps in order.