Cost to Own
United States › Massachusetts › Barnstable County › Dennis Port Population 3,439 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $900 a month in taxes, insurance, utilities and upkeep. See the full Barnstable County picture

Total monthly cost of ownership

Cost to Own a Home in Dennis Port, Massachusetts

A $451,000 home here costs

$3,359

per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $144,000 a year.

P&I 73%Tax 5%Insurance 3%Utilities 7%Upkeep 11%

A standard mortgage calculator would have told you $2,459. The real number is $900 higher every month, 37% more than the payment most buyers budget for.

Compare Barnstable County with anywhere in America · full county breakdown

Small-place caveat: the Census publishes these figures for Dennis Port from a five-year rolling sample, and with about 3,439 residents that sample is small. The median home value here carries a much wider margin of error than a big-city figure does, so treat it as indicative rather than exact. The Barnstable County figures are drawn from a far larger sample if you want a steadier number.

Dennis Port median: $450,500
Under 20% adds PMI
Freddie Mac PMMS
MA 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, $360,800 borrowed $2,459
Property tax0.441% effective rate for Dennis Port itself $166
Homeowners insuranceMassachusetts averages $1,712/yr (NAIC), or 0.31% of home value $117
Electricity30.48ยข/kWh, Massachusetts residential average, EIA $174
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $376
Total monthly $3,359

Dennis Port against Barnstable County and Massachusetts

MeasureDennis PortBarnstable County
Median home value$450,500$575,900
Median property tax$1,988$4,090
Effective tax rate0.441%0.710%
Median gross rent$1,524$1,596
Population3,439230,073

The weather behind that power bill

Dennis Port sits in Barnstable County, which averages a high of 80.8°F in its hottest month and a low of 24.1°F in its coldest, with 44.7" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 632 cooling and 5,518 heating degree days, which is what sets the $174 electricity line above.

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

Other cities in Barnstable County

Full Barnstable County cost breakdown · Every county in Massachusetts

Talk to someone who works this market

These are Dennis Port averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Dennis Port every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Dennis Port I already own here and may sell

Common questions

How much does it cost to own a home in Dennis Port?

A $451,000 home in Dennis Port, Massachusetts costs approximately $3,359 per month with 20% down at 7.24%. That is $2,459 principal and interest, $166 property tax, $117 homeowners insurance, $242 utilities and $376 set aside for maintenance.

What is the property tax rate in Dennis Port?

Dennis Port has an effective property tax rate of 0.441%, based on a median home value of $450,500 and median real estate taxes of $1,988. That is lower than the Barnstable County average of 0.710%.

What is the average home price in Dennis Port?

The median owner-occupied home value in Dennis Port, Massachusetts is $450,500, against $575,900 across Barnstable County.

Is it cheaper to rent or buy in Dennis Port?

Median gross rent in Dennis Port is $1,524 a month, against $3,359 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Dennis Port?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Dennis Port, Massachusetts at today's rate takes a household income of roughly $144,000 a year. That covers the full $3,359 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Dennis Port, 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