Cost to Own
United StatesNew YorkNassau CountyBayville Population 6,744 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Bayville, New York

A $671,000 home here costs

$5,328

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

A standard mortgage calculator would have told you $3,450. The real number is $1,878 higher every month — 54% more than the payment most buyers budget for.

Bayville median: $670,500
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, $536,800 borrowed $3,450
Property tax1.492% effective rate for Bayville itself $834
Homeowners insuranceNew York averages $1,455/yr (NAIC), or 0.264% of home value $148
Electricity29.93¢/kWh — New York residential average, EIA $269
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $559
Total monthly $5,328

Bayville against Nassau County and New York

MeasureBayvilleNassau County
Median home value$670,500$658,700
Median property tax$10,001$10,001
Effective tax rate1.492%1.518%
Median gross rent$1,974$2,195
Population6,7441,388,138

The weather behind that power bill

Bayville 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 Bayville?

A $671,000 home in Bayville, New York costs approximately $5,328 per month with 20% down at 6.66%. That is $3,450 principal and interest, $834 property tax, $148 homeowners insurance, $337 utilities and $559 set aside for maintenance.

What is the property tax rate in Bayville?

Bayville has an effective property tax rate of 1.492%, based on a median home value of $670,500 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 Bayville?

The median owner-occupied home value in Bayville, New York is $670,500, against $658,700 across Nassau County.

Is it cheaper to rent or buy in Bayville?

Median gross rent in Bayville is $1,974 a month, against $5,328 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 Bayville — 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