Cost to Own
United StatesNew JerseyWarren CountyGreenwich CDP (Warren County) Population 2,615 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Greenwich CDP (Warren County), New Jersey

A $458,000 home here costs

$3,960

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

A standard mortgage calculator would have told you $2,355. The real number is $1,605 higher every month — 68% more than the payment most buyers budget for.

Greenwich CDP (Warren County) median: $457,500
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, $366,400 borrowed $2,355
Property tax2.186% effective rate for Greenwich CDP (Warren County) itself $834
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $112
Electricity23.27¢/kWh — New Jersey residential average, EIA $209
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $382
Total monthly $3,960

Greenwich CDP (Warren County) against Warren County and New Jersey

MeasureGreenwich CDP (Warren County)Warren County
Median home value$457,500$323,100
Median property tax$10,001$8,156
Effective tax rate2.186%2.524%
Median gross rent$1,368
Population2,615110,238

The weather behind that power bill

Greenwich CDP (Warren County) 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 Greenwich CDP (Warren County)?

A $458,000 home in Greenwich CDP (Warren County), New Jersey costs approximately $3,960 per month with 20% down at 6.66%. That is $2,355 principal and interest, $834 property tax, $112 homeowners insurance, $277 utilities and $382 set aside for maintenance.

What is the property tax rate in Greenwich CDP (Warren County)?

Greenwich CDP (Warren County) has an effective property tax rate of 2.186%, based on a median home value of $457,500 and median real estate taxes of $10,001. That is lower than the Warren County average of 2.524%.

What is the average home price in Greenwich CDP (Warren County)?

The median owner-occupied home value in Greenwich CDP (Warren County), New Jersey is $457,500, against $323,100 across Warren County.

Is it cheaper to rent or buy in Greenwich CDP (Warren County)?

Rent data is not published for Greenwich CDP (Warren County) at this level of detail.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Greenwich CDP (Warren County) — 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