Cost to Own
United StatesNew YorkNassau CountyWilliston Park Population 7,508 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Williston Park, New York

A $732,000 home here costs

$5,705

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

A standard mortgage calculator would have told you $3,763. The real number is $1,942 higher every month — 52% more than the payment most buyers budget for.

Williston Park median: $731,700
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, $585,600 borrowed $3,763
Property tax1.367% effective rate for Williston Park itself $834
Homeowners insuranceNew York averages $1,455/yr (NAIC), or 0.264% of home value $161
Electricity29.93¢/kWh — New York residential average, EIA $269
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $610
Total monthly $5,705

Williston Park against Nassau County and New York

MeasureWilliston ParkNassau County
Median home value$731,700$658,700
Median property tax$10,001$10,001
Effective tax rate1.367%1.518%
Median gross rent$2,146$2,195
Population7,5081,388,138

The weather behind that power bill

Williston Park sits in Nassau County, which averages a high of 86.5°F in its hottest month and a low of 27.2°F in its coldest, with 45.33" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 1,124 cooling and 4,561 heating degree days, which is what sets the $269 electricity line above.

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

Other cities in Nassau County

Full Nassau County cost breakdown · Every county in New York

Common questions

How much does it cost to own a home in Williston Park?

A $732,000 home in Williston Park, New York costs approximately $5,705 per month with 20% down at 6.66%. That is $3,763 principal and interest, $834 property tax, $161 homeowners insurance, $337 utilities and $610 set aside for maintenance.

What is the property tax rate in Williston Park?

Williston Park has an effective property tax rate of 1.367%, based on a median home value of $731,700 and median real estate taxes of $10,001. That is lower than the Nassau County average of 1.518%.

What is the average home price in Williston Park?

The median owner-occupied home value in Williston Park, New York is $731,700, against $658,700 across Nassau County.

Is it cheaper to rent or buy in Williston Park?

Median gross rent in Williston Park is $2,146 a month, against $5,705 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 Williston Park — 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