Cost to Own
United States › New Jersey › Warren County › Hackettstown Population 10,143 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,361 a month in taxes, insurance, utilities and upkeep. See the full Warren County picture

Total monthly cost of ownership

Cost to Own a Home in Hackettstown, New Jersey

A $337,000 home here costs

$3,199

per 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 $137,000 a year.

P&I 57%Tax 24%Insurance 3%Utilities 7%Upkeep 9%

A standard mortgage calculator would have told you $1,837. The real number is $1,361 higher every month, 74% more than the payment most buyers budget for.

Compare Warren County with anywhere in America · full county breakdown

Hackettstown median: $337,100
Under 20% adds PMI
Freddie Mac PMMS
NJ 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 $1,837
Property tax2.731% effective rate for Hackettstown itself $767
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $83
Electricity24.61ยข/kWh, New Jersey residential average, EIA $163
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $281
Total monthly $3,199

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 $163 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

Talk to someone who works this market

These are Hackettstown 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 Hackettstown every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Hackettstown I already own here and may sell

Common questions

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

A $337,000 home in Hackettstown, New Jersey costs approximately $3,199 per month with 20% down at 7.24%. That is $1,837 principal and interest, $767 property tax, $83 homeowners insurance, $231 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 $3,199 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 Hackettstown?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Hackettstown, New Jersey at today's rate takes a household income of roughly $137,000 a year. That covers the full $3,199 monthly cost, not just the mortgage payment.

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