Cost to Own
United StatesNew JerseySalem CountyAuburn Population 1,209 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Auburn, New Jersey

A $440,000 home here costs

$3,846

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

A standard mortgage calculator would have told you $2,262. The real number is $1,584 higher every month — 70% more than the payment most buyers budget for.

Auburn median: $440,300
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, $352,000 borrowed $2,262
Property tax2.271% effective rate for Auburn itself $833
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $108
Electricity23.27¢/kWh — New Jersey residential average, EIA $209
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $367
Total monthly $3,846

Auburn against Salem County and New Jersey

MeasureAuburnSalem County
Median home value$440,300$223,000
Median property tax$10,001$6,757
Effective tax rate2.271%3.030%
Median gross rent$1,185
Population1,20964,973

The weather behind that power bill

Auburn sits in Salem County, which averages a high of 86.8°F in its hottest month and a low of 25.6°F in its coldest, with 45.33" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 1,229 cooling and 4,647 heating degree days, which is what sets the $209 electricity line above.

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

Other cities in Salem County

Full Salem County cost breakdown · Every county in New Jersey

Common questions

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

A $440,000 home in Auburn, New Jersey costs approximately $3,846 per month with 20% down at 6.66%. That is $2,262 principal and interest, $833 property tax, $108 homeowners insurance, $277 utilities and $367 set aside for maintenance.

What is the property tax rate in Auburn?

Auburn has an effective property tax rate of 2.271%, based on a median home value of $440,300 and median real estate taxes of $10,001. That is lower than the Salem County average of 3.030%.

What is the average home price in Auburn?

The median owner-occupied home value in Auburn, New Jersey is $440,300, against $223,000 across Salem County.

Is it cheaper to rent or buy in Auburn?

Rent data is not published for Auburn at this level of detail.

Sources & methodology

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