Cost to Own
United StatesMassachusettsMiddlesex County FIPS 25017 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Middlesex County, Massachusetts

A $687,000 home here costs

$5,378

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

A standard mortgage calculator would have told you $3,532. The real number is $1,847 higher every month — 52% more than the payment most buyers budget for.

County median: $687,200
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, $549,600 borrowed $3,532
Property tax1.054% effective rate — Middlesex County assessor via Census ACS $603
Homeowners insuranceEstimated at 0.60% of home value per year $344
Electricity28.82¢/kWh — Massachusetts residential average, EIA $259
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $573
Total monthly $5,378

How Middlesex County compares

Middlesex County ranks 1,070th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 2,063 counties and higher than in 1,069. Within Massachusetts it ranks 10th of 14.

Middlesex County 1.054% 26% higher than national
Massachusetts average 1.065%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureMiddlesex CountySource
Median home value$687,200ACS B25077
Median real estate taxes paid$7,240ACS B25103
Effective property tax rate1.054%Derived
Median gross rent$2,126ACS B25064
Occupied housing units630,939ACS B25003
Population1,622,896ACS B01003
Residential electricity price28.82¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Massachusetts

Compare the cost of the same home elsewhere in the state.

All 14 counties in Massachusetts

Questions about owning here

What is the property tax rate in Middlesex County?

The effective property tax rate in Middlesex County, Massachusetts is 1.054% of home value per year. On the county's median home value of $687,200, that works out to about $7,240 annually, or $603 per month.

How much does it cost to own a home in Middlesex County?

A $687,000 home in Middlesex County, Massachusetts costs approximately $5,378 per month with 20% down at 6.66%. That breaks down as $3,532 principal and interest, $603 property tax, $344 insurance, $327 utilities and $573 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $900 a month, which is why the real cost is 52% above the mortgage payment alone.

Is it cheaper to rent in Middlesex County?

Median gross rent in Middlesex County, Massachusetts is $2,126 per month, compared with $5,378 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Middlesex County?

Massachusetts residential electricity averages 28.82¢ per kWh. At the US average household usage of 899 kWh per month, that is about $259. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology