Coos County, New Hampshire property tax

Median property tax, home value and effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Effective property tax rate
1.89%

Homeowners in Coos County, New Hampshire paid a median $3,579 a year in property tax on a median home worth $188,900, an effective rate of about 1.89% (Census 2020–2024).

Census ACS 2020–2024 5-year medians

#8 lowest of 10New Hampshire counties by effective rate

1.66%New Hampshire statewide · US 0.94%
Median tax paid
$3,579
per year, 2020–24
Median home value
$188,900
owner-occupied
Effective rate
1.89%
tax ÷ value
Tax vs. income
6.2%
of $57,677 median household income
Owner costs
$1,464/mo
median with a mortgage, incl. tax & insurance

How Coos County compares

Effective rate (median tax ÷ median value)

Coos County1.89%
New Hampshire1.66%
United States0.94%

Median tax paid per year

Coos County$3,579
New Hampshire$6,667
United States$3,119

Tax on a home here

At the local 1.89% effective rate

Home valueEstimated yearly taxPer month
$150,000$2,842$237
$250,000$4,737$395
$350,000$6,631$553
$500,000$9,473$789

Cities and towns in Coos County

PlaceMedian taxMedian valueRate
Berlin$3,437$131,0002.62%
Lancaster$4,225$200,5002.11%
Gorham$4,381$146,3002.99%
Groveton$2,543$104,7002.43%
West Stewartstown$909$27,6003.29%

Buying a home in Coos County? 2026 loan limits

Related

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Frequently asked questions

What is the property tax rate in Coos County, New Hampshire?

Homeowners in Coos County, New Hampshire paid a median $3,579 a year in property tax on a median home worth $188,900, an effective rate of about 1.89% (Census 2020–2024).

How much is property tax on a $300,000 home in Coos County?

About $5,684 a year ($474 a month) at the 1.89% median effective rate. Your bill depends on assessed value and exemptions.

Is Coos County property tax high?

It ranks #8 lowest of 10 New Hampshire counties. The state median effective rate is 1.66% and the US rate is 0.94%.

Where do I pay property tax in Coos County?

Bills are issued and collected by the Coos County treasurer or tax collector, based on values set by the county assessor.