Total monthly cost of ownership
Cost to Own a Home in Northwest Harwinton, Connecticut
A $324,000 home here costs
$2,798per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,666. The real number is $1,133 higher every month — 68% 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.
Northwest Harwinton against Northwest Hills Planning Region and Connecticut
| Measure | Northwest Harwinton | Northwest Hills Planning Region |
|---|---|---|
| Median home value | $323,600 | $311,700 |
| Median property tax | $5,133 | $5,609 |
| Effective tax rate | 1.586% | 1.799% |
| Median gross rent | $1,474 | $1,169 |
| Population | 3,126 | 112,848 |
The weather behind that power bill
Northwest Harwinton sits in Northwest Hills Planning Region, which averages a high of 78.4°F in its hottest month and a low of 14.1°F in its coldest, with 52.94" of precipitation a year and 28% of it in a single three-month stretch. That climate drives 370 cooling and 7,311 heating degree days, which is what sets the $246 electricity line above.
See the full climate breakdown for Northwest Hills Planning Region — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Northwest Hills Planning Region
Full Northwest Hills Planning Region cost breakdown · Every county in Connecticut
Common questions
How much does it cost to own a home in Northwest Harwinton?
A $324,000 home in Northwest Harwinton, Connecticut costs approximately $2,798 per month with 20% down at 6.66%. That is $1,666 principal and interest, $428 property tax, $120 homeowners insurance, $314 utilities and $270 set aside for maintenance.
What is the property tax rate in Northwest Harwinton?
Northwest Harwinton has an effective property tax rate of 1.586%, based on a median home value of $323,600 and median real estate taxes of $5,133. That is lower than the Northwest Hills Planning Region average of 1.799%.
What is the average home price in Northwest Harwinton?
The median owner-occupied home value in Northwest Harwinton, Connecticut is $323,600, against $311,700 across Northwest Hills Planning Region.
Is it cheaper to rent or buy in Northwest Harwinton?
Median gross rent in Northwest Harwinton is $1,474 a month, against $2,798 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 Northwest Harwinton — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Connecticut.
- 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.