Total monthly cost of ownership
Cost to Own a Home in Derry, New Hampshire
A $357,000 home here costs
$3,146per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $135,000 a year.
A standard mortgage calculator would have told you $1,946. The real number is $1,200 higher every month, 62% more than the payment most buyers budget for.
Compare Rockingham County with anywhere in America · full county breakdown
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Derry against Rockingham County and New Hampshire
| Measure | Derry | Rockingham County |
|---|---|---|
| Median home value | $356,700 | $461,400 |
| Median property tax | $6,890 | $7,512 |
| Effective tax rate | 1.932% | 1.628% |
| Median gross rent | $1,473 | $1,619 |
| Population | 21,668 | 317,163 |
The weather behind that power bill
Derry sits in Rockingham County, which averages a high of 82.0°F in its hottest month and a low of 14.3°F in its coldest, with 46.3" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 499 cooling and 6,865 heating degree days, which is what sets the $171 electricity line above.
See the full climate breakdown for Rockingham County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Rockingham County
Full Rockingham County cost breakdown · Every county in New Hampshire
Talk to someone who works this market
These are Derry averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Derry every week. Free, no obligation, and we never sell your details to a list.
Common questions
How much does it cost to own a home in Derry?
A $357,000 home in Derry, New Hampshire costs approximately $3,146 per month with 20% down at 7.24%. That is $1,946 principal and interest, $575 property tax, $89 homeowners insurance, $239 utilities and $298 set aside for maintenance.
What is the property tax rate in Derry?
Derry has an effective property tax rate of 1.932%, based on a median home value of $356,700 and median real estate taxes of $6,890. That is higher than the Rockingham County average of 1.628%.
What is the average home price in Derry?
The median owner-occupied home value in Derry, New Hampshire is $356,700, against $461,400 across Rockingham County.
Is it cheaper to rent or buy in Derry?
Median gross rent in Derry is $1,473 a month, against $3,146 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
What salary do you need to buy a home in Derry?
Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Derry, New Hampshire at today's rate takes a household income of roughly $135,000 a year. That covers the full $3,146 monthly cost, not just the mortgage payment.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Derry, US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance, NAIC average premium for New Hampshire.
- Electricity price, EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate, Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.