Property tax in Sullivan County, New York

Updated

The median property tax bill in Sullivan County, New York is $4,969 a year, which is about 2% of the county's median home value of $249,000. That effective rate is lower than the typical New York county (2.04%) and higher than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.

Estimate the property tax on a home in Sullivan County

Enter a home's market value for a ballpark at Sullivan County's average effective rate of 2% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.


Estimated property tax: $4,980 / year

Property tax in Sullivan County at a glance

Sullivan County, New York property tax (Census ACS, reviewed September 23, 2026)
MeasureValue
Median annual property tax$4,969
Median home value$249,000
Effective tax rate2%
Typical New York county rate2.04%
National median county rate0.81%

Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.

How does Sullivan County compare in New York?

Among New York's 62 counties, Sullivan County has the 36th highest effective property-tax rate: 35 rank higher and 26 rank lower. That is near the middle for New York. Nationally, it ranks 87th of 3135 US counties by effective rate. See every New York county ranked.

How much do homeowners in Sullivan County actually pay?

The median is only the middle bill. Across Sullivan County's 21,178 owner-occupied homes, 70.8% pay $3,000 or more a year in property tax, 80.8% pay at least $2,000, and 1.5% pay under $800. Another 6.8% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Sullivan County homeowners (Census ACS 2020-2024)
Annual billHomesShare
Under $8003131.5%
$800 to $1,4991,1975.7%
$1,500 to $1,9991,1025.2%
$2,000 to $2,9992,12510%
$3,000 or more15,00070.8%
No property tax paid1,4416.8%

Owners with a mortgage pay a median of $5,351 and owners without one pay $4,585. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.

How does the Sullivan County property tax bill compare with local incomes?

The median property tax bill of $4,969 is about 5.4% of the median income of Sullivan County homeowner households, $92,398 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 67.4% of Sullivan County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.

Have property taxes gone up in Sullivan County?

Yes. The median bill went from $4,542 in 2015-2019 to $4,969 in 2020-2024, a 9.4% rise. Over the same span the median home value moved 44.1%, from $172,800 to $249,000. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.

Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.

Property tax in counties next to Sullivan County

Sullivan County borders 5 counties, 2 of them across the state line.

Sullivan County and its neighbors, highest effective rate first (Census ACS 2020-2024)
CountyEffective rateMedian billMedian home value
Orange County, NY2.19%$8,494$387,900
Sullivan County, NY (this county)2%$4,969$249,000
Ulster County, NY1.77%$6,238$352,500
Delaware County, NY1.72%$3,145$183,100
Pike County, PA1.3%$3,542$272,600
Wayne County, PA1.26%$3,039$242,100

How is a home assessed in Sullivan County?

New York sets the assessment rules and Sullivan County applies them. How New York assesses and reappraises homes.

Is there a homestead exemption in Sullivan County?

Not as a flat dollar amount. New York's main owner-occupancy benefit is STAR, which reduces school taxes for owners with income up to $500,000 (STAR credit) or $250,000 (STAR exemption). That is the New York rule, and it applies in Sullivan County. New York's exemptions and relief programs in full.

When are property taxes due in Sullivan County?

There is no single statewide due date. County, city, town, village and school taxes are billed separately, often on different calendars, so check with your local tax collector. March 1 is commonly the taxable status date for exemptions.

That is the New York rule. Sullivan County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Sullivan County property assessment

You contest the assessed value with the Board of Assessment Review, then Small Claims Assessment Review or an Article 7 proceeding. That is the New York rule; Sullivan County sets the exact dates and forms. The New York appeal process step by step.

New York rules from primary state sources, reviewed September 7, 2026; sources on the New York page.

Work out your own numbers

Sources