Cost to Own
United StatesNew YorkSuffolk CountySouthampton Population 4,557 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Southampton, New York

A $2,000,000 home here costs

$13,507

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

A standard mortgage calculator would have told you $10,282. The real number is $3,225 higher every month — 31% more than the payment most buyers budget for.

Southampton median: $2,000,001
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, $1,600,000 borrowed $10,282
Property tax0.469% effective rate for Southampton itself $782
Homeowners insuranceNew York averages $1,455/yr (NAIC), or 0.264% of home value $440
Electricity29.93¢/kWh — New York residential average, EIA $269
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $1,667
Total monthly $13,507

Southampton against Suffolk County and New York

MeasureSouthamptonSuffolk County
Median home value$2,000,001$539,500
Median property tax$9,385$10,001
Effective tax rate0.469%1.854%
Median gross rent$2,180$2,190
Population4,5571,525,680

The weather behind that power bill

Southampton 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 Southampton?

A $2,000,000 home in Southampton, New York costs approximately $13,507 per month with 20% down at 6.66%. That is $10,282 principal and interest, $782 property tax, $440 homeowners insurance, $337 utilities and $1,667 set aside for maintenance.

What is the property tax rate in Southampton?

Southampton has an effective property tax rate of 0.469%, based on a median home value of $2,000,001 and median real estate taxes of $9,385. That is lower than the Suffolk County average of 1.854%.

What is the average home price in Southampton?

The median owner-occupied home value in Southampton, New York is $2,000,001, against $539,500 across Suffolk County.

Is it cheaper to rent or buy in Southampton?

Median gross rent in Southampton is $2,180 a month, against $13,507 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 Southampton — 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