Knox County property tax
Homeowners in Knox County, Maine typically pay about 1.17% of their home's value in property tax each year — a median bill of $3,786 on a median home value of $324,900.
Typical effective rate
1.17%
higher than 25% of U.S. counties
Median tax paid
$3,786
per year
Median home value
$324,900
In ME
#1
of 16 ranked counties
At a glance
- Effective rate 1.17% — 24% higher than the U.S. median of 0.94%, and 14% higher than the Maine median of 1.02%.
- With vs. without a mortgage — median tax $3,712 for mortgaged homes, $3,897 for homes owned outright.
- State ranking — 1st highest effective rate of 16 ranked Maine counties; nationally it sits around the 75th percentile.
Estimate a bill for Knox County
Apply this county's typical effective rate (1.17%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Knox County, ME?
The typical effective property-tax rate in Knox County is 1.17% of a home's value per year, based on median taxes paid ($3,786) divided by the median home value ($324,900) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Knox County?
The median owner-occupied home in Knox County is valued at $324,900, and the median real estate tax paid is $3,786 per year. Homes with a mortgage have a median tax of $3,712, versus $3,897 for homes without one.
How does Knox County compare to the rest of Maine?
Knox County's effective rate is 14% higher than the Maine median, ranking 1st of 16 ranked counties in the state.
Compare nearby Maine counties
Counties ranked closest to Knox County by in-state effective rate. Open the comparison tool or see all Maine counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 2 | Androscoggin County | 1.16% | $2,940 |
| 3 | Penobscot County | 1.16% | $2,481 |
| 4 | Aroostook County | 1.12% | $1,672 |
| 5 | Kennebec County | 1.09% | $2,605 |
| 6 | Somerset County | 1.08% | $1,798 |
| 7 | Cumberland County | 1.04% | $4,707 |
Official data & resources for Knox County
- Knox County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Knox County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Knox County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.