Cost to Own
United StatesNew HampshireStrafford CountyDurham Population 10,577 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Durham, New Hampshire

A $451,000 home here costs

$3,942

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $2,319. The real number is $1,623 higher every month — 70% more than the payment most buyers budget for.

Durham median: $451,000
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $360,800 borrowed $2,319
Property tax2.186% effective rate for Durham itself $822
Homeowners insuranceNew Hampshire averages $1,090/yr (NAIC), or 0.298% of home value $112
Electricity27.33¢/kWh — New Hampshire residential average, EIA $246
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $376
Total monthly $3,942

Durham against Strafford County and New Hampshire

MeasureDurhamStrafford County
Median home value$451,000$332,400
Median property tax$9,860$6,582
Effective tax rate2.186%1.980%
Median gross rent$1,338$1,413
Population10,577131,743

The weather behind that power bill

Durham sits in Strafford County, which averages a high of 81.9°F in its hottest month and a low of 15.4°F in its coldest, with 41.22" of precipitation a year and 28% of it in a single three-month stretch. That climate drives 506 cooling and 6,790 heating degree days, which is what sets the $246 electricity line above.

See the full climate breakdown for Strafford County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Strafford County

Full Strafford County cost breakdown · Every county in New Hampshire

Common questions

How much does it cost to own a home in Durham?

A $451,000 home in Durham, New Hampshire costs approximately $3,942 per month with 20% down at 6.66%. That is $2,319 principal and interest, $822 property tax, $112 homeowners insurance, $314 utilities and $376 set aside for maintenance.

What is the property tax rate in Durham?

Durham has an effective property tax rate of 2.186%, based on a median home value of $451,000 and median real estate taxes of $9,860. That is higher than the Strafford County average of 1.980%.

What is the average home price in Durham?

The median owner-occupied home value in Durham, New Hampshire is $451,000, against $332,400 across Strafford County.

Is it cheaper to rent or buy in Durham?

Median gross rent in Durham is $1,338 a month, against $3,942 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Durham — 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.

Full methodology