Grafton County Property Tax Calculator
Locality estimate page for Grafton 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
1.72%
State Effective Rate
1.50%
Sample Annual Tax Difference
$935
Median Home Value (ACS)
$344,500
Median Annual Tax Bill (ACS)
$5,925
Owner-Occupied Households
26,466
The typical owner-occupied home in Grafton County is valued at $344,500 with a median real estate tax bill of $5,925 per year — an effective rate of 1.72%. 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 Grafton County, New Hampshire, the current county-level estimate is 1.72%, or approximately $6,880 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.
Grafton County Property Tax Snapshot
Estimated effective rate: 1.72% · vs New Hampshire: 1.50% · vs national benchmark: 0.90%
| Home value | Estimated annual tax | Estimated monthly tax |
|---|---|---|
| $250,000 | $4,300 | $358 |
| $400,000 | $6,880 | $573 |
| $500,000 | $8,600 | $717 |
| $750,000 | $12,900 | $1,075 |
| $1,000,000 | $17,200 | $1,433 |
Compare Nearby Property Taxes
- Grafton County1.72%
- Hillsborough County1.66%
- Merrimack County1.85%
- Strafford County1.85%
- Rockingham County1.58%
- Sullivan County2.14%
- Cheshire County2.16%
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.