Total monthly cost of ownership
Cost to Own a Home in Dedham, Massachusetts
A $630,000 home here costs
$4,858per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $3,239. The real number is $1,620 higher every month — 50% 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.
Dedham against Norfolk County and Massachusetts
| Measure | Dedham | Norfolk County |
|---|---|---|
| Median home value | $630,400 | $649,400 |
| Median property tax | $7,262 | $7,081 |
| Effective tax rate | 1.152% | 1.090% |
| Median gross rent | $2,058 | $2,072 |
| Population | 25,109 | 724,540 |
The weather behind that power bill
Dedham sits in Norfolk County, which averages a high of 85.7°F in its hottest month and a low of 20.6°F in its coldest, with 43.91" of precipitation a year and 28% of it in a single three-month stretch. That climate drives 828 cooling and 5,540 heating degree days, which is what sets the $259 electricity line above.
See the full climate breakdown for Norfolk County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Norfolk County
Full Norfolk County cost breakdown · Every county in Massachusetts
Common questions
How much does it cost to own a home in Dedham?
A $630,000 home in Dedham, Massachusetts costs approximately $4,858 per month with 20% down at 6.66%. That is $3,239 principal and interest, $605 property tax, $163 homeowners insurance, $327 utilities and $525 set aside for maintenance.
What is the property tax rate in Dedham?
Dedham has an effective property tax rate of 1.152%, based on a median home value of $630,400 and median real estate taxes of $7,262. That is higher than the Norfolk County average of 1.090%.
What is the average home price in Dedham?
The median owner-occupied home value in Dedham, Massachusetts is $630,400, against $649,400 across Norfolk County.
Is it cheaper to rent or buy in Dedham?
Median gross rent in Dedham is $2,058 a month, against $4,858 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 Dedham — 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.