Cost to Own
United StatesNew JerseyWarren CountyHackettstown Population 10,143 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Hackettstown, New Jersey

A $337,000 home here costs

$3,140

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

A standard mortgage calculator would have told you $1,733. The real number is $1,408 higher every month — 81% more than the payment most buyers budget for.

Hackettstown median: $337,100
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, $269,600 borrowed $1,733
Property tax2.731% effective rate for Hackettstown itself $767
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $83
Electricity23.27¢/kWh — New Jersey residential average, EIA $209
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $281
Total monthly $3,140

Hackettstown against Warren County and New Jersey

MeasureHackettstownWarren County
Median home value$337,100$323,100
Median property tax$9,205$8,156
Effective tax rate2.731%2.524%
Median gross rent$1,419$1,368
Population10,143110,238

The weather behind that power bill

Hackettstown sits in Warren County, which averages a high of 84.1°F in its hottest month and a low of 18.0°F in its coldest, with 48.21" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 650 cooling and 6,050 heating degree days, which is what sets the $209 electricity line above.

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

Other cities in Warren County

Full Warren County cost breakdown · Every county in New Jersey

Common questions

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

A $337,000 home in Hackettstown, New Jersey costs approximately $3,140 per month with 20% down at 6.66%. That is $1,733 principal and interest, $767 property tax, $83 homeowners insurance, $277 utilities and $281 set aside for maintenance.

What is the property tax rate in Hackettstown?

Hackettstown has an effective property tax rate of 2.731%, based on a median home value of $337,100 and median real estate taxes of $9,205. That is higher than the Warren County average of 2.524%.

What is the average home price in Hackettstown?

The median owner-occupied home value in Hackettstown, New Jersey is $337,100, against $323,100 across Warren County.

Is it cheaper to rent or buy in Hackettstown?

Median gross rent in Hackettstown is $1,419 a month, against $3,140 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 Hackettstown — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for New Jersey.
  • 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