Cost to Own
United StatesMassachusettsFranklin CountySouth Deerfield Population 1,822 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in South Deerfield, Massachusetts

A $419,000 home here costs

$3,451

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $2,154. The real number is $1,297 higher every month — 60% more than the payment most buyers budget for.

South Deerfield median: $419,100
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $335,200 borrowed $2,154
Property tax1.467% effective rate for South Deerfield itself $512
Homeowners insuranceMassachusetts averages $1,712/yr (NAIC), or 0.31% of home value $108
Electricity28.82¢/kWh — Massachusetts residential average, EIA $259
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $349
Total monthly $3,451

South Deerfield against Franklin County and Massachusetts

MeasureSouth DeerfieldFranklin County
Median home value$419,100$303,400
Median property tax$6,147$4,595
Effective tax rate1.467%1.515%
Median gross rent$1,333$1,169
Population1,82270,922

The weather behind that power bill

South Deerfield sits in Franklin County, which averages a high of 82.7°F in its hottest month and a low of 13.6°F in its coldest, with 49.39" of precipitation a year and 28% of it in a single three-month stretch. That climate drives 519 cooling and 6,683 heating degree days, which is what sets the $259 electricity line above.

See the full climate breakdown for Franklin County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Franklin County

Full Franklin County cost breakdown · Every county in Massachusetts

Common questions

How much does it cost to own a home in South Deerfield?

A $419,000 home in South Deerfield, Massachusetts costs approximately $3,451 per month with 20% down at 6.66%. That is $2,154 principal and interest, $512 property tax, $108 homeowners insurance, $327 utilities and $349 set aside for maintenance.

What is the property tax rate in South Deerfield?

South Deerfield has an effective property tax rate of 1.467%, based on a median home value of $419,100 and median real estate taxes of $6,147. That is lower than the Franklin County average of 1.515%.

What is the average home price in South Deerfield?

The median owner-occupied home value in South Deerfield, Massachusetts is $419,100, against $303,400 across Franklin County.

Is it cheaper to rent or buy in South Deerfield?

Median gross rent in South Deerfield is $1,333 a month, against $3,451 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 South Deerfield — 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.

Full methodology