Sullivan County Property Tax Calculator
Locality estimate page for Sullivan County, New Hampshire. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.
County/Locality Effective Rate
2.14%
State Effective Rate
1.50%
Sample Annual Tax Difference
$2,720
Median Home Value (ACS)
$268,700
Median Annual Tax Bill (ACS)
$5,756
Owner-Occupied Households
12,531
The typical owner-occupied home in Sullivan County is valued at $268,700 with a median real estate tax bill of $5,756 per year — an effective rate of 2.14%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.
State Mortgage Context: New Hampshire
Some counties follow standard FHA limits while higher-cost counties may qualify for elevated FHA limits.
State Effective Tax Rate
1.50%
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
In Sullivan County, New Hampshire, the current county-level estimate is 2.14%, or approximately $8,560 annually on a $400,000 home.
How to Use This County Estimate
Step 1
Enter your property value and assessment assumptions.
Step 2
Apply exemptions that may reduce taxable value.
Step 3
Compare county/locality estimate against statewide fallback.
Sullivan County Property Tax Snapshot
Estimated effective rate: 2.14% · vs New Hampshire: 1.50% · vs national benchmark: 0.90%
| Home value | Estimated annual tax | Estimated monthly tax |
|---|---|---|
| $250,000 | $5,350 | $446 |
| $400,000 | $8,560 | $713 |
| $500,000 | $10,700 | $892 |
| $750,000 | $16,050 | $1,338 |
| $1,000,000 | $21,400 | $1,783 |
Compare Nearby Property Taxes
- Sullivan County2.14%
- Cheshire County2.16%
- Merrimack County1.85%
- Strafford County1.85%
- Grafton County1.72%
- Hillsborough County1.66%
- Rockingham County1.58%
Source Transparency
Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)
View sourceLast updated: August 2026
Estimates only. Confirm parcel-specific amounts with the official local taxing authority.
Need Statewide Context?
Visit New Hampshire mortgage snapshot or return to the national calculator hub.