Sullivan County, NH Property Tax Rate
Homeowners in Sullivan County pay an effective 2.38% of home value in property tax — about $5,624 a year on the median $236,300 home, above the New Hampshire county median of 1.98%.
Sullivan County, NH: 2.38% effective property tax — ~$5,624/yr on the median home.
- Effective rate2.38%
- Median home value$236,300
- Median annual bill$5,624
- NH county median1.98%
- U.S. county median0.84%
Source: U.S. Census ACS 2023 5-year (median taxes paid ÷ median value), compiled June 2026.
Sullivan County vs. New Hampshire and the U.S.
| Effective rate | On the county's $236,300 median home | |
|---|---|---|
| Sullivan County | 2.38% | $5,624 |
| New Hampshire county median | 1.98% | $4,679 |
| U.S. county median | 0.84% | $1,985 |
Median household income here is $75,929, putting the median tax bill at about 7.4% of income. Effective rates fold in homestead exemptions and assessment practice — they're what owners actually pay, which is why they beat statutory rates for comparison.
Highest & lowest rates in New Hampshire
| County | Effective rate | Median bill |
|---|---|---|
| Sullivan County | 2.38% | $5,624 |
| Cheshire County | 2.32% | $5,967 |
| Coos County | 2.07% | $3,511 |
| Merrimack County | 2.00% | $6,612 |
| Carroll County | 1.06% | $3,698 |
| Belknap County | 1.44% | $4,896 |
| Rockingham County | 1.63% | $7,521 |
| Hillsborough | 1.76% | $6,785 |
Full picture: New Hampshire property tax calculator · interactive county atlas · all county pages.
Frequently asked questions
What is the property tax rate in Sullivan County, NH?
The effective rate is about 2.38% of home value — the median homeowner pays roughly $5,624 a year on a $236,300 median home (ACS 2023 five-year data).
Is Sullivan County's property tax high?
It's above the New Hampshire county median (1.98%) and above the U.S. county median (0.84%).
How is the effective rate calculated?
Median real-estate taxes paid ÷ median home value, from the Census American Community Survey — what owners actually pay, after exemptions, rather than the statutory millage.
Sources & methodology
Sources: Census ACS 2023 5-year tables B25103/B25077.
Effective rate = median real-estate taxes ÷ median home value (owner-occupied). Individual bills vary with exemptions, assessment timing and local levies — verify with the county assessor.