Cost to Own
United StatesNew YorkSuffolk CountyBrookhaven Population 3,080 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Brookhaven, New York

A $577,000 home here costs

$4,744

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

A standard mortgage calculator would have told you $2,966. The real number is $1,778 higher every month — 60% more than the payment most buyers budget for.

Brookhaven median: $577,000
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, $461,600 borrowed $2,966
Property tax1.733% effective rate for Brookhaven itself $833
Homeowners insuranceNew York averages $1,455/yr (NAIC), or 0.264% of home value $127
Electricity29.93¢/kWh — New York residential average, EIA $269
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $481
Total monthly $4,744

Brookhaven against Suffolk County and New York

MeasureBrookhavenSuffolk County
Median home value$577,000$539,500
Median property tax$10,001$10,001
Effective tax rate1.733%1.854%
Median gross rent$1,908$2,190
Population3,0801,525,680

The weather behind that power bill

Brookhaven sits in Suffolk County, which averages a high of 83.9°F in its hottest month and a low of 26.0°F in its coldest, with 47.22" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 945 cooling and 4,906 heating degree days, which is what sets the $269 electricity line above.

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

Other cities in Suffolk County

Full Suffolk County cost breakdown · Every county in New York

Common questions

How much does it cost to own a home in Brookhaven?

A $577,000 home in Brookhaven, New York costs approximately $4,744 per month with 20% down at 6.66%. That is $2,966 principal and interest, $833 property tax, $127 homeowners insurance, $337 utilities and $481 set aside for maintenance.

What is the property tax rate in Brookhaven?

Brookhaven has an effective property tax rate of 1.733%, based on a median home value of $577,000 and median real estate taxes of $10,001. That is lower than the Suffolk County average of 1.854%.

What is the average home price in Brookhaven?

The median owner-occupied home value in Brookhaven, New York is $577,000, against $539,500 across Suffolk County.

Is it cheaper to rent or buy in Brookhaven?

Median gross rent in Brookhaven is $1,908 a month, against $4,744 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 Brookhaven — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for New York.
  • 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