Newmarket, Rockingham County, New Hampshire Property Taxes
Median Newmarket, NH effective property tax rate: 2.95%, significantly higher than the national median of 1.02%, but lower than the New Hampshire state median of 1.91%.
Median Newmarket, NH home value: $282,100
Median annual Newmarket, NH tax bill: $8,319, $5,919 higher than the national median property tax bill of $2,400.
How are property taxes in Rockingham calculated?
Property taxes in Newmarket, NH are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Newmarket’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Newmarket, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Newmarket, Rockingham County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.95%
Estimate Property Tax Bill
$8,322
$7,723
Property Tax Rates Across Newmarket, Rockingham County, New Hampshire
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Newmarket Tax Rate
2.95%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Rockingham County Tax Rate
1.90%
Median Effective New Hampshire Tax Rate
1.91%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Newmarket, Rockingham County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03857 | 2.95% | 2.95% | 2.95% | 2.95% | 2.95% |
Source: Ownwell
Property Tax Assessment Values Across Newmarket, Rockingham County, New Hampshire
Property Tax Assessment Values Across Newmarket, Rockingham County, New Hampshire
Source: Ownwell

$275,100
$1,110,250
$1,945,400
Median Newmarket Market Value
$282,100
Median Rockingham County Market Value
$373,900
Median New Hampshire Market Value
$299,765
Median United States Market Value
$235,294
Property Tax Assessment Values Across Newmarket, Rockingham County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03857 | $114,680 | $215,400 | $282,100 | $351,700 | $439,240 |
Source: Ownwell
Property Tax Bills Across Newmarket, Rockingham County, New Hampshire
Property Tax Bills Across Newmarket, Rockingham County, New Hampshire
Source: Ownwell

$4,706
$9,143
$13,579
Median Newmarket Tax Bill
$8,319
Median Rockingham County Tax Bill
$6,989
Median New Hampshire Tax Bill
$5,895
Median United States Tax Bill
$2,400
Property Tax Bills Across Newmarket, Rockingham County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03857 | $3,382 | $6,352 | $8,319 | $10,372 | $12,953 |
Source: Ownwell