Total monthly cost of ownership
Cost to Own a Home in Washington, New Jersey
A $260,000 home here costs
$2,579per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,337. The real number is $1,242 higher every month — 93% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Washington against Warren County and New Jersey
| Measure | Washington | Warren County |
|---|---|---|
| Median home value | $260,200 | $323,100 |
| Median property tax | $8,226 | $8,156 |
| Effective tax rate | 3.161% | 2.524% |
| Median gross rent | $1,374 | $1,368 |
| Population | 7,287 | 110,238 |
The weather behind that power bill
Washington 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 Washington?
A $260,000 home in Washington, New Jersey costs approximately $2,579 per month with 20% down at 6.66%. That is $1,337 principal and interest, $685 property tax, $64 homeowners insurance, $277 utilities and $217 set aside for maintenance.
What is the property tax rate in Washington?
Washington has an effective property tax rate of 3.161%, based on a median home value of $260,200 and median real estate taxes of $8,226. That is higher than the Warren County average of 2.524%.
What is the average home price in Washington?
The median owner-occupied home value in Washington, New Jersey is $260,200, against $323,100 across Warren County.
Is it cheaper to rent or buy in Washington?
Median gross rent in Washington is $1,374 a month, against $2,579 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 Washington — 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.