Cost to Own
United StatesNew JerseySomerset CountyRaritan Population 8,192 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Raritan, New Jersey

A $449,000 home here costs

$3,818

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

A standard mortgage calculator would have told you $2,308. The real number is $1,510 higher every month — 65% more than the payment most buyers budget for.

Raritan median: $449,200
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, $359,200 borrowed $2,308
Property tax2.000% effective rate for Raritan itself $748
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $110
Electricity23.27¢/kWh — New Jersey residential average, EIA $209
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $374
Total monthly $3,818

Raritan against Somerset County and New Jersey

MeasureRaritanSomerset County
Median home value$449,200$523,900
Median property tax$8,983$10,001
Effective tax rate2.000%1.909%
Median gross rent$1,927$1,921
Population8,192346,203

The weather behind that power bill

Raritan sits in Somerset County, which averages a high of 86.2°F in its hottest month and a low of 20.6°F in its coldest, with 45.49" of precipitation a year and 32% of it in a single three-month stretch. That climate drives 859 cooling and 5,385 heating degree days, which is what sets the $209 electricity line above.

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

Other cities in Somerset County

Full Somerset County cost breakdown · Every county in New Jersey

Common questions

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

A $449,000 home in Raritan, New Jersey costs approximately $3,818 per month with 20% down at 6.66%. That is $2,308 principal and interest, $748 property tax, $110 homeowners insurance, $277 utilities and $374 set aside for maintenance.

What is the property tax rate in Raritan?

Raritan has an effective property tax rate of 2.000%, based on a median home value of $449,200 and median real estate taxes of $8,983. That is higher than the Somerset County average of 1.909%.

What is the average home price in Raritan?

The median owner-occupied home value in Raritan, New Jersey is $449,200, against $523,900 across Somerset County.

Is it cheaper to rent or buy in Raritan?

Median gross rent in Raritan is $1,927 a month, against $3,818 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 Raritan — 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