Maine property tax rates by county

Apply each county's benchmark rate to a $296,600 home, the Maine median: about $3,456 a year in Knox County (1.17%) versus $2,447 in Hancock County (0.83%) — $1,009 a year apart for the same house. Counties with at least 20,000 people.

Where most Maine residents live

Of income = median annual property tax ÷ median household income (all households, owners and renters), ACS 2020–2024 5-year. A real bill depends on the assessed value and exemptions, not only the rate.

Find a county in this state

• Knox CountyMedian home value $324,9001.17%$3,786 / year
• Androscoggin CountyMedian home value $252,8001.16%$2,940 / year
• Penobscot CountyMedian home value $214,1001.16%$2,481 / year
• Aroostook CountyMedian home value $149,7001.12%$1,672 / year
• Kennebec CountyMedian home value $238,2001.09%$2,605 / year
• Somerset CountyMedian home value $166,9001.08%$1,798 / year
• Cumberland CountyMedian home value $451,2001.04%$4,707 / year
• Waldo CountyMedian home value $257,7001.04%$2,684 / year
• Sagadahoc CountyMedian home value $333,3001.04%$3,470 / year
• Franklin CountyMedian home value $194,7001.04%$2,027 / year
• Washington CountyMedian home value $161,8001.04%$1,683 / year
• Oxford CountyMedian home value $217,3000.99%$2,162 / year
• York CountyMedian home value $395,7000.96%$3,787 / year
• Piscataquis CountyMedian home value $170,2000.90%$1,537 / year
• Lincoln CountyMedian home value $332,7000.85%$2,828 / year
• Hancock CountyMedian home value $310,4000.83%$2,561 / year

Payment dates vary by local tax authority.

Check your city, town or county tax collector for this year's deadline. The statewide notes below are a general guide.

Late penalty	interest rate fixed by municipality at annual town meeting, not to exceed state treasurer cap (typically 8-9% per year under 36 M.R.S. § 505(4))
Early-payment discount	municipalities may vote discount up to 10% for prompt payment (36 M.R.S. § 505(3))
Appeal window	within 185 days after date of commitment of taxes to local assessors (36 M.R.S. § 841)

county/municipal-set; municipalities determine due dates and installments (commonly 1 payment in Sept/Oct or semi-annual in Sept/Oct and March/April). Regular annual schedule; tax year: property tax year April 1 - March 31, bills mailed summer. Source: 36 M.R.S. § 505, rules checked 2026-09-19. Confirm the amount and deadline on your official tax bill.