Total monthly cost of ownership
Cost to Own a Home in Westborough, Massachusetts
A $541,000 home here costs
$4,415per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,781. The real number is $1,634 higher every month — 59% 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.
Westborough against Worcester County and Massachusetts
| Measure | Westborough | Worcester County |
|---|---|---|
| Median home value | $540,600 | $390,700 |
| Median property tax | $8,588 | $5,207 |
| Effective tax rate | 1.589% | 1.333% |
| Median gross rent | $1,503 | $1,347 |
| Population | 4,234 | 861,664 |
The weather behind that power bill
Westborough sits in Worcester County, which averages a high of 79.8°F in its hottest month and a low of 17.1°F in its coldest, with 48.26" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 503 cooling and 6,622 heating degree days, which is what sets the $259 electricity line above.
See the full climate breakdown for Worcester County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Worcester County
Full Worcester County cost breakdown · Every county in Massachusetts
Common questions
How much does it cost to own a home in Westborough?
A $541,000 home in Westborough, Massachusetts costs approximately $4,415 per month with 20% down at 6.66%. That is $2,781 principal and interest, $716 property tax, $140 homeowners insurance, $327 utilities and $451 set aside for maintenance.
What is the property tax rate in Westborough?
Westborough has an effective property tax rate of 1.589%, based on a median home value of $540,600 and median real estate taxes of $8,588. That is higher than the Worcester County average of 1.333%.
What is the average home price in Westborough?
The median owner-occupied home value in Westborough, Massachusetts is $540,600, against $390,700 across Worcester County.
Is it cheaper to rent or buy in Westborough?
Median gross rent in Westborough is $1,503 a month, against $4,415 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 Westborough — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Massachusetts.
- 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.