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Penobscot County, ME

Penobscot County property tax appeal 2027: deadline, forms and how to file

Scan from recent salesFacts not yet verified by a person — confirm on your notice

To appeal a Penobscot County assessment, file with the Municipal Assessors; in Maine the deadline is 185 days after the tax commitment date. Confirm the exact date on your notice or with the assessor; we add each county's 2027 date here when it is published.

Data as of 20 Oct 2026 · the Penobscot County assessor
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Free. We compare the value on your notice with recent sales of similar homes nearby and tell you whether an appeal is worth filing. Have your assessment notice and tax bill handy.

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How to file

How to file in Penobscot County

  1. Step 1

    File the appeal

    Use the method your notice lists, by the deadline on the notice.

  2. Step 2 · before the hearing

    Prepare and submit your evidence

    Comparable assessed values, photographs of condition issues and recent sales where they are public. Ask the appraisal office for the evidence it will use.

  3. Step 3

    Meet, then hear

    An informal review usually comes before a formal hearing; most reductions happen at the informal stage.

Before you file: how to read your notice · evidence that works · informal vs formal hearing · when not to appeal

Questions

Penobscot County questions

Data as of 20 Oct 2026 · Maine statutes
When is the property tax appeal deadline in Penobscot County?

Maine law sets it: Written abatement application within 185 days of the tax commitment date (36 M.R.S. §841(1)); no decision in 60 days counts as a denial; appeal to the Board of Assessment Review within 60 days of the decision or deemed denial (§843). Confirm the exact date on your notice or with the assessor.

Who hears a appeal in Penobscot County?

The Municipal Assessors hears the first appeal. Filing rules: 36 M.R.S. §§841, 843.

What value should I compare on my Maine notice?

Maine notices often do not show a market value; compare the assessed value with what similar homes sold for, as of April 1 of the tax year (36 M.R.S. §502).

Your home

Check whether yours is over-assessed

Nearby

Nearby counties

Piscataquis County · Washington County · Hancock County · Somerset County · Waldo County · Kennebec County · Aroostook County

Sources
  1. 36 M.R.S. §841 (abatement)
  2. 36 M.R.S. §843 (appeals to board of assessment review)
  3. 36 M.R.S. §848-A (assessment ratio evidence, 10% tolerance)
  4. 36 M.R.S. §383 (municipal valuation return, declared ratio)
  5. U.S. Census Bureau, county population estimates (2024) and county gazetteer (2024).