Property tax in Hillsborough County, New Hampshire
The median property tax bill in Hillsborough County, New Hampshire is $6,999 a year, which is about 1.66% of the county's median home value of $421,100. That effective rate is lower than the typical New Hampshire county (1.79%) and higher than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Estimate the property tax on a home in Hillsborough County
Enter a home's market value for a ballpark at Hillsborough County's average effective rate of 1.66% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $6,990 / year
Property tax in Hillsborough County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $6,999 |
| Median home value | $421,100 |
| Effective tax rate | 1.66% |
| Typical New Hampshire county rate | 1.79% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Hillsborough County compare in New Hampshire?
Among New Hampshire's 10 counties, Hillsborough County has the 7th highest effective property-tax rate: 6 rank higher and 3 rank lower. That is on the lower side for New Hampshire. Nationally, it ranks 217th of 3135 US counties by effective rate. See every New Hampshire county ranked.
How much do homeowners in Hillsborough County actually pay?
The median is only the middle bill. Across Hillsborough County's 113,710 owner-occupied homes, 90.9% pay $3,000 or more a year in property tax, 93.8% pay at least $2,000, and 1.7% pay under $800. Another 1.3% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 1,987 | 1.7% |
| $800 to $1,499 | 2,271 | 2% |
| $1,500 to $1,999 | 1,275 | 1.1% |
| $2,000 to $2,999 | 3,289 | 2.9% |
| $3,000 or more | 103,396 | 90.9% |
| No property tax paid | 1,492 | 1.3% |
Owners with a mortgage pay a median of $7,059 and owners without one pay $6,873. That is within 10% either way, so in Hillsborough County paying off the house does not go with a noticeably different bill. Census table B25103.
How does the Hillsborough County property tax bill compare with local incomes?
The median property tax bill of $6,999 is about 5.4% of the median income of Hillsborough County homeowner households, $129,491 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 67.4% of Hillsborough County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Hillsborough County?
Yes. The median bill went from $6,057 in 2015-2019 to $6,999 in 2020-2024, a 15.6% rise. Over the same span the median home value moved 53.2%, from $274,800 to $421,100. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Hillsborough County
Hillsborough County borders 7 counties, 3 of them across the state line.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Cheshire County, NH | 2.16% | $6,048 | $280,100 |
| Sullivan County, NH | 2.14% | $5,756 | $268,700 |
| Merrimack County, NH | 1.85% | $6,783 | $367,600 |
| Hillsborough County, NH (this county) | 1.66% | $6,999 | $421,100 |
| Rockingham County, NH | 1.58% | $7,839 | $497,500 |
| Worcester County, MA | 1.28% | $5,438 | $423,700 |
| Essex County, MA | 1.04% | $6,430 | $619,100 |
| Middlesex County, MA | 1.03% | $7,501 | $727,800 |
How is a home assessed in Hillsborough County?
New Hampshire sets the assessment rules and Hillsborough County applies them. How New Hampshire assesses and reappraises homes.
Is there a homestead exemption in Hillsborough County?
No. New Hampshire has no across-the-board homestead exemption; its exemptions target specific groups, and most are local options your town must vote to offer. That is the New Hampshire rule, and it applies in Hillsborough County. New Hampshire's exemptions and relief programs in full.
When are property taxes due in Hillsborough County?
There is no single statewide due date, because the billing schedule is a local choice. Under the default in state law a town sends one annual bill and interest starts December 1. Most municipalities have instead voted to bill twice a year, with a July 1 payment computed from half the prior year's rate and the balance due December 1. A smaller group running a July to June fiscal year bills quarterly, due July 1, October 1, January 2 and March 31, so check your own tax collector.
That is the New Hampshire rule. Hillsborough County issues and collects the bill, so the dates printed on your statement are the ones that bind you.
How to appeal your Hillsborough County property assessment
You contest the assessed value with the your local selectmen or assessors, then either the Board of Tax and Land Appeals or the county superior court. The filing deadline is typically March 1 following the notice of tax to apply to the town, then September 1 to appeal further. That is the New Hampshire rule; Hillsborough County sets the exact dates and forms. The New Hampshire appeal process step by step.
New Hampshire rules from primary state sources, reviewed September 7, 2026; sources on the New Hampshire page.
Work out your own numbers
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How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Hillsborough County's tax rate to hand.
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Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
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New Hampshire income tax
Brackets, standard deduction and what New Hampshire actually taxes.
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Sales tax in Hillsborough County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Hillsborough County, New Hampshire: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.