Property Tax in Ontario County, New York

What the Ontario County numbers mean

A median is the middle household: half of owner-occupied households in Ontario County pay more than $4,460, and half pay less. Your own bill is set by your home's assessed value, the exemptions you qualify for, and the local taxing districts your property sits in — so individual bills vary widely around the median.

Dividing the median tax by the median home value gives a derived effective rate of 2.20% for Ontario County. It is an estimate built from two survey medians, not the county's official rate, but it is a fair way to compare the local tax burden with other counties where home values are very different.

Ontario County by the numbers

*Estimate derived from Census medians (tax ÷ value), not an official rate.

Ontario County at a glance

• Median tax rank in New York: #24 of 62 counties
• Median home value rank in New York: #25 of 62
• Population rank in New York: #26 of 62 (112,405 residents)
• Population density rank: #25 of 62 (175 people per square mile)
• Land area rank in New York: #34 of 62 (644 sq mi, 1.4% of the combined county land area)
• Median tax as a monthly figure: $372; per $1,000 of home value: $2.20

How Ontario County compares

The median tax bill in Ontario County is about 31% lower than the state median ($6,450 for New York) and about 50% higher than the US median ($2,969 nationally). By median taxes paid, the county ranks #24 out of 62 New York counties with published Census data — 23 counties in the state have a higher median bill.

Comparisons cut both ways: a county can have a modest rate but high bills because homes are expensive, or a high rate but modest bills because homes are cheaper. Ontario County's derived rate of 2.20% sits above the derived US figure of 0.98%.

Some extra context for Ontario County: the median bill works out to about $372 a month, and the derived rate equals roughly $2,198 of tax per $100,000 of home value. The county is home to 112,405 people — the #26 most populous county in New York, spread over 644 square miles, a density of about 175 people per square mile. Its median home value, $202,900, ranks #25 among the state's 62 counties with data.

Nationally, Ontario County's median bill of $4,460 ranks #171 of 3133 counties with published data — inside the top 5% of counties by tax paid. The county accounts for about 0.6% of New York's population, its median home value is about 50% below the state median, and at the derived rate the median home would hand over roughly 21.98% of its value in tax across a decade. Within the state, the distance from Ontario County to the most expensive county, Nassau County ($10,001), is $5,541 a year.

Counties nearest Ontario County in the New York ranking

Ontario County and its population peers

Population is a useful lens on these figures, so the table below sets Ontario County beside the counties closest to it in population anywhere in the country — communities of a similar scale operating under different state and local tax systems. Ranked by median tax paid within this peer group of 9, Ontario County's $4,460 bill is #2 of 9.

The closest population match is Androscoggin County, Maine (112,323 residents), where the median real estate tax paid is $2,913 on a median home value of $232,000 — $1,547 more than Ontario County pays.

Staying within New York, the counties nearest Ontario County by population are Oswego County (117,945 residents, median tax $3,595 on a median value of $139,600); Jefferson County (116,130 residents, median tax $2,851 on a median value of $181,000); St. Lawrence County (107,796 residents, median tax $2,735 on a median value of $119,800); Tompkins County (102,879 residents, median tax $6,374 on a median value of $271,500). The spread in their median bills — all under the same state framework — shows how much of the property tax burden is decided county by county and district by district.

How the tax is worked out

As an illustration of the arithmetic: at Ontario County's derived rate of 2.20%, a home valued at $400,000 would carry a tax bill of roughly $8,792 a year. That is only an illustration using the derived rate — a real bill is computed from the property's assessed value, its exemptions, and the combined rates of its specific taxing districts, so it can be higher or lower.

The usual sequence is: the local assessor values the property; exemptions are applied; the taxable value is multiplied by the combined local rates; and the county bills and collects the tax, distributing it to the schools, municipalities and districts that levied it.

Illustrative bills in Ontario County at the derived rate

The derived rate of 2.20% is only an estimate built from medians, but applying it to different home values gives a sense of scale for Ontario County — and a quick way to compare with the state derived rate of 1.60% and the US figure of 0.98%:

Illustration only: real bills are computed from the assessed value, exemptions, and the combined rates of the property's actual taxing districts.

Checking your assessment in Ontario County

Most successful appeals are won on facts, not arguments. Start with the property record card held by the Ontario County assessor: wrong square footage, an extra room, or a missing homestead exemption are common and fixable. Next, line your assessed value up against recent sales of genuinely similar homes nearby. Many disputes end at an informal conversation with the assessor's office; if yours does not, file the formal appeal with the review board named on your notice before its deadline, evidence attached, and keep paying the bill in the meantime so penalties do not build up.

More New York counties

• Jefferson County, NY — $2,851
• St. Lawrence County, NY — $2,735
• Oswego County, NY — $3,595
• Tompkins County, NY — $6,374
• Chautauqua County, NY — $2,846
• Putnam County, NY — $10,001

Frequently asked questions