Merrimack County Property Taxes
Merrimack County, New Hampshire
Effective Tax Rate
0.00%
16.5% above state avgMedian Annual Tax
$0
$551/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
2.00%
At a Glance
Median Home Value
$330,600
State avg ▲ $316,040
Tax w/ Mortgage/yr
$6,951
$579/mo escrow
Tax w/o Mortgage/yr
$5,953
$496/mo
State Tax Rate Rank
#7
of 10 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Merrimack County, New Hampshire
Merrimack taxes well above national average
Merrimack County's effective tax rate of 2.002% ranks in the 76th percentile nationally, nearly 2.5 times the nation's median of 0.81%. The median tax bill of $6,617 exceeds the national median by 146%, reflecting both elevated rates and property values.
Third-highest rate among state counties
Merrimack County ranks third in effective tax rate at 2.002%, above the state average of 1.852% and second only to Cheshire and Coos counties. Its median tax of $6,617 is the second-highest in New Hampshire, trailing only Rockingham County.
Capital region carries steepest burden
Merrimack's 2.002% rate exceeds Grafton County's 1.884% to the north and Hillsborough County's 1.762% to the south. As the home of New Hampshire's capital and largest population centers, the county maintains the region's most aggressive tax rate.
On a $331,000 home: over $6,600
The typical Merrimack County home valued at $330,600 carries an estimated annual tax of $6,617. With a mortgage, that reaches $6,951; without one, $5,953.
Appeals offer significant relief potential
Merrimack County's elevated tax rate means that successful assessment appeals can yield thousands in annual savings. Homeowners should investigate whether their assessed values align with recent comparable sales in their communities.
How Merrimack County Compares
Median Annual Property Tax
Merrimack County
2.00%
Effective rate
New Hampshire Avg
1.80%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Merrimack County, New Hampshire?
How much are property taxes in Merrimack County?
How does Merrimack County compare to the New Hampshire average?
What is the median home value in Merrimack County, New Hampshire?
Why is Merrimack County property tax rate higher than the New Hampshire average?
How does Merrimack County rank for property taxes in New Hampshire?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in New Hampshire
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.