Total monthly cost of ownership
Cost to Own a Home in Williamsville, New York
A $243,000 home here costs
$2,310per 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 $99,000 a year.
A standard mortgage calculator would have told you $1,325. The real number is $985 higher every month, 74% more than the payment most buyers budget for.
Compare Erie County with anywhere in America · full county breakdown
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Williamsville against Erie County and New York
| Measure | Williamsville | Erie County |
|---|---|---|
| Median home value | $242,800 | $217,400 |
| Median property tax | $5,967 | $4,525 |
| Effective tax rate | 2.458% | 2.081% |
| Median gross rent | $1,277 | $1,037 |
| Population | 5,430 | 950,044 |
The weather behind that power bill
Williamsville sits in Erie County, which averages a high of 80.2°F in its hottest month and a low of 19.0°F in its coldest, with 40.68" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 608 cooling and 6,466 heating degree days, which is what sets the $164 electricity line above.
See the full climate breakdown for Erie County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Erie County
Talk to someone who works this market
These are Williamsville 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 Williamsville every week. Free, no obligation, and we never sell your details to a list.
I'm looking to buy in Williamsville I already own here and may sell
Common questions
How much does it cost to own a home in Williamsville?
A $243,000 home in Williamsville, New York costs approximately $2,310 per month with 20% down at 7.24%. That is $1,325 principal and interest, $498 property tax, $53 homeowners insurance, $232 utilities and $203 set aside for maintenance.
What is the property tax rate in Williamsville?
Williamsville has an effective property tax rate of 2.458%, based on a median home value of $242,800 and median real estate taxes of $5,967. That is higher than the Erie County average of 2.081%.
What is the average home price in Williamsville?
The median owner-occupied home value in Williamsville, New York is $242,800, against $217,400 across Erie County.
Is it cheaper to rent or buy in Williamsville?
Median gross rent in Williamsville is $1,277 a month, against $2,310 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 Williamsville?
Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Williamsville, New York at today's rate takes a household income of roughly $99,000 a year. That covers the full $2,310 monthly cost, not just the mortgage payment.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Williamsville, 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.