Total monthly cost of ownership
Cost to Own a Home in Thornwood, New York
A $655,000 home here costs
$5,228per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $3,367. The real number is $1,861 higher every month — 55% 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.
Thornwood against Westchester County and New York
| Measure | Thornwood | Westchester County |
|---|---|---|
| Median home value | $654,600 | $638,400 |
| Median property tax | $10,001 | $10,001 |
| Effective tax rate | 1.528% | 1.567% |
| Median gross rent | $2,245 | $1,876 |
| Population | 4,405 | 996,888 |
The weather behind that power bill
Thornwood sits in Westchester County, which averages a high of 83.2°F in its hottest month and a low of 22.4°F in its coldest, with 47.75" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 787 cooling and 5,492 heating degree days, which is what sets the $269 electricity line above.
See the full climate breakdown for Westchester County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Westchester County
Full Westchester County cost breakdown · Every county in New York
Common questions
How much does it cost to own a home in Thornwood?
A $655,000 home in Thornwood, New York costs approximately $5,228 per month with 20% down at 6.66%. That is $3,367 principal and interest, $834 property tax, $144 homeowners insurance, $337 utilities and $546 set aside for maintenance.
What is the property tax rate in Thornwood?
Thornwood has an effective property tax rate of 1.528%, based on a median home value of $654,600 and median real estate taxes of $10,001. That is lower than the Westchester County average of 1.567%.
What is the average home price in Thornwood?
The median owner-occupied home value in Thornwood, New York is $654,600, against $638,400 across Westchester County.
Is it cheaper to rent or buy in Thornwood?
Median gross rent in Thornwood is $2,245 a month, against $5,228 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 Thornwood — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for New York.
- 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.