Jefferson County, New York Property Taxes
Median Jefferson County effective property tax rate: 1.81%, significantly higher than the national median of 1.02%.
Median Jefferson County home value: $134,468
Median annual Jefferson County tax bill: $2,407, $7 higher than the national median property tax bill of $2,400.
How are property taxes in Jefferson County calculated?
Property taxes in Jefferson County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Watertown or another part of Jefferson County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Jefferson County, New York Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.81%
Estimate Property Tax Bill
$2,434
$2,259
Ownwell’s Jefferson County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Jefferson County with just two data points. By entering your property's estimated assessed value, our calculator applies Jefferson County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Jefferson County. For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Jefferson County, New York
Local government entities in New York set tax rates, which can vary widely within the state. Each year, Jefferson County estimates its required budget to provide essential services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process. Jefferson County has an effective property tax rate of 1.81%. This is significantly higher than the national median property tax rate of 1.02%, indicating a more substantial tax burden on property owners in the area. Within the county, Gouverneur has the highest median tax rate at 2.49%, while Watertown offers some relief with the lowest median tax rate of 0.69%. Property owners in Jefferson County can benefit from understanding these variations to make informed decisions about property investments and tax appeals.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Jefferson County Tax Rate
1.81%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective New York Tax Rate
2.39%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Jefferson County, New York
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Adams | 1.74% | 1.85% | 2.12% | 2.67% | 2.68% |
| Adams Center | 1.94% | 2.15% | 2.15% | 2.24% | 2.24% |
| Alexandria Bay | 1.64% | 1.93% | 1.93% | 2.77% | 2.77% |
| Antwerp | 1.55% | 1.60% | 1.60% | 2.13% | 2.13% |
| Belleville | 1.80% | 2.01% | 2.09% | 2.21% | 2.28% |
| Black River | 1.83% | 1.92% | 2.09% | 2.19% | 2.35% |
| Brownville | 2.33% | 2.44% | 2.44% | 2.44% | 2.44% |
| Calcium | 1.24% | 1.36% | 1.53% | 1.90% | 2.24% |
| Cape Vincent | 1.76% | 1.76% | 1.76% | 1.76% | 2.36% |
| Carthage | 1.86% | 1.93% | 2.03% | 2.65% | 2.78% |
| Chaumont | 1.74% | 1.77% | 1.77% | 1.81% | 2.15% |
| Clayton | 1.73% | 1.81% | 1.81% | 2.47% | 2.47% |
| Copenhagen | 1.65% | 1.89% | 1.89% | 1.92% | 1.92% |
| Deferiet | 2.33% | 2.45% | 2.45% | 2.45% | 2.45% |
| Depauville | 1.81% | 1.91% | 2.15% | 2.26% | 2.44% |
| Dexter | 1.83% | 1.86% | 1.86% | 2.12% | 2.54% |
| Ellisburg | 1.73% | 1.80% | 1.90% | 1.90% | 2.04% |
| Evans Mills | 0.99% | 1.15% | 1.23% | 1.23% | 1.76% |
| Felts Mills | 1.87% | 2.00% | 2.10% | 2.26% | 2.49% |
| Fineview | N/A | N/A | N/A | N/A | N/A |
| Fishers Landing | 1.71% | 1.73% | 1.73% | 1.73% | 1.73% |
| Frontenac | 1.81% | 1.81% | 1.81% | 1.81% | 1.81% |
| Gouverneur | 1.60% | 1.86% | 2.49% | 2.49% | 2.49% |
| Great Bend | 1.88% | 1.98% | 2.12% | 2.19% | 2.48% |
| Grenell | 1.73% | 1.73% | 1.73% | 1.73% | 1.73% |
| Hammond | 1.97% | 2.05% | 2.05% | 2.05% | 2.05% |
| Henderson | 1.74% | 1.74% | 1.74% | 1.80% | 1.80% |
| Henderson Harbor | 1.73% | 1.74% | 1.74% | 1.74% | 1.77% |
| Hounsfield | N/A | N/A | N/A | N/A | N/A |
| Lacona | 1.96% | 2.04% | 2.04% | 2.04% | 2.04% |
| La Fargeville | 1.58% | 1.64% | 1.64% | 1.71% | 1.87% |
| Lorraine | 2.30% | 2.30% | 2.30% | 2.39% | 2.41% |
| Mannsville | 1.80% | 1.80% | 2.04% | 2.24% | 2.26% |
| Murray Isle | 1.73% | 1.73% | 1.73% | 1.73% | 1.73% |
| Natural Bridge | 1.82% | 1.93% | 1.97% | 2.08% | 2.73% |
| Philadelphia | 1.23% | 1.60% | 1.66% | 2.32% | 2.32% |
| Pierrepont Manor | 2.20% | 2.29% | 2.33% | 2.36% | 2.41% |
| Plessis | 1.95% | 2.02% | 2.04% | 2.06% | 2.06% |
| Redwood | 1.24% | 1.24% | 2.05% | 2.07% | 2.47% |
| Rodman | 1.90% | 1.94% | 1.94% | 1.94% | 2.14% |
| Sackets Harbor | 1.96% | 1.96% | 2.13% | 2.15% | 2.15% |
| Theresa | 1.23% | 1.24% | 1.24% | 1.73% | 1.77% |
| Thousand Island Park | 1.64% | 1.64% | 1.64% | 1.64% | 1.64% |
| Three Mile Bay | 1.77% | 1.77% | 1.77% | 1.77% | 1.77% |
| Watertown | 0.69% | 0.69% | 0.69% | 1.87% | 1.99% |
| Wellesley Island | 1.64% | 1.64% | 1.65% | 1.93% | 1.93% |
Source: Ownwell
Property Tax Assessment Values Across Jefferson County, New York
When examining property taxes in Jefferson County, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Jefferson County appraisal district estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill. Assessment notices: In Jefferson County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Jefferson County. For example, the median tax bill in Jefferson County is $2,400, with tax bills ranging significantly across the county. Frontenac has the highest median home price at $429,643.
Property Tax Assessment Values Across Jefferson County, New York
Source: Ownwell
$31,915
$230,779
$429,643
Median Jefferson County Market Value
$134,468
Median New York Market Value
$255,644
Median United States Market Value
$235,294
Property Tax Assessment Values Across Jefferson County, New York
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Adams | $50,000 | $88,778 | $134,737 | $195,016 | $276,196 |
| Adams Center | $59,028 | $105,777 | $143,684 | $192,106 | $254,316 |
| Alexandria Bay | $52,192 | $89,699 | $143,373 | $296,448 | $529,301 |
| Antwerp | $49,200 | $84,059 | $118,706 | $161,176 | $214,729 |
| Belleville | $85,698 | $97,238 | $131,570 | $182,384 | $214,593 |
| Black River | $77,750 | $119,010 | $163,010 | $213,240 | $269,620 |
| Brownville | $93,889 | $121,111 | $150,000 | $196,667 | $257,778 |
| Calcium | $56,638 | $99,160 | $136,000 | $181,150 | $229,557 |
| Cape Vincent | $36,044 | $87,774 | $143,956 | $226,978 | $325,176 |
| Carthage | $52,000 | $84,900 | $120,000 | $163,725 | $228,160 |
| Chaumont | $48,792 | $96,462 | $146,489 | $215,452 | $310,638 |
| Clayton | $71,429 | $125,536 | $190,476 | $315,476 | $507,369 |
| Copenhagen | $49,090 | $87,016 | $145,503 | $201,250 | $275,730 |
| Deferiet | $81,700 | $94,500 | $104,800 | $119,425 | $145,250 |
| Depauville | $49,762 | $81,547 | $111,904 | $142,857 | $157,500 |
| Dexter | $48,889 | $95,000 | $141,111 | $206,111 | $292,333 |
| Ellisburg | $65,349 | $81,686 | $119,767 | $156,744 | $222,093 |
| Evans Mills | $58,240 | $110,600 | $164,600 | $225,800 | $280,235 |
| Felts Mills | $50,959 | $81,531 | $111,939 | $139,592 | $183,387 |
| Fineview | N/A | N/A | N/A | N/A | N/A |
| Fishers Landing | $52,489 | $97,872 | $190,476 | $273,404 | $402,279 |
| Frontenac | $280,833 | $365,834 | $429,643 | $538,393 | $776,881 |
| Gouverneur | $26,906 | $51,941 | $110,588 | $139,706 | $168,835 |
| Great Bend | $48,070 | $78,250 | $126,250 | $222,425 | $241,280 |
| Grenell | $138,690 | $206,696 | $276,429 | $331,696 | $390,893 |
| Hammond | $39,217 | $64,066 | $88,554 | $188,825 | $208,903 |
| Henderson | $47,465 | $85,719 | $163,182 | $255,504 | $369,907 |
| Henderson Harbor | $100,233 | $174,909 | $258,214 | $353,358 | $503,872 |
| Hounsfield | N/A | N/A | N/A | N/A | N/A |
| Lacona | $42,233 | $52,791 | $108,023 | $203,605 | $258,651 |
| La Fargeville | $46,596 | $80,160 | $117,349 | $165,630 | $224,468 |
| Lorraine | $28,929 | $46,638 | $82,738 | $129,137 | $182,190 |
| Mannsville | $49,814 | $88,430 | $131,512 | $190,756 | $270,907 |
| Murray Isle | $174,190 | $239,762 | $337,429 | $461,608 | $633,333 |
| Natural Bridge | $27,750 | $45,000 | $82,450 | $120,250 | $160,530 |
| Philadelphia | $43,111 | $80,648 | $127,353 | $177,890 | $239,391 |
| Pierrepont Manor | $86,826 | $93,198 | $99,826 | $108,982 | $115,977 |
| Plessis | $31,650 | $57,982 | $124,398 | $160,030 | $294,012 |
| Redwood | $44,458 | $76,476 | $119,592 | $183,192 | $265,102 |
| Rodman | $38,000 | $89,176 | $139,529 | $204,706 | $259,294 |
| Sackets Harbor | $65,309 | $128,959 | $192,202 | $272,084 | $362,572 |
| Theresa | $38,143 | $69,880 | $116,939 | $178,571 | $236,633 |
| Thousand Island Park | $12,192 | $21,064 | $31,915 | $48,830 | $90,958 |
| Three Mile Bay | $27,713 | $81,702 | $131,383 | $181,224 | $260,638 |
| Watertown | $58,900 | $85,700 | $119,400 | $171,683 | $252,765 |
| Wellesley Island | $93,436 | $169,122 | $278,072 | $421,476 | $602,687 |
Source: Ownwell
Property Tax Bills Across Jefferson County, New York
In Jefferson County, NY, property tax bills are calculated based on the assessed value of a home, which is determined by local tax assessors. This assessed value is then multiplied by the local property tax rate to determine the annual tax bill. The median home price in Jefferson County is $134,468, which is considerably lower than the national median. Homeowners in this county experience a range of tax bills, with the 25th percentile at $1,137 and the 75th percentile reaching $3,782. At the 90th percentile, tax bills can climb to $5,556, indicating a significant variance based on property value and location within the county. The highest median tax bill in the area is found in Frontenac at $7,755, while Thousand Island Park has the lowest at $522. Compared to the national median property tax bill of $2,400, Jefferson County presents a diverse landscape for homeowners, with some enjoying lower tax burdens and others facing higher costs depending on their property's assessed value.
Median Jefferson County Tax Bill
$2,407
Median New York Tax Bill
$5,938
Median United States Tax Bill
$2,400
Property Tax Bills Across Jefferson County, New York
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Adams | $1,017 | $1,949 | $3,027 | $4,281 | $5,965 |
| Adams Center | $1,264 | $2,278 | $3,110 | $4,102 | $5,336 |
| Alexandria Bay | $1,031 | $2,027 | $3,241 | $5,584 | $9,919 |
| Antwerp | $860 | $1,549 | $2,179 | $2,903 | $3,639 |
| Belleville | $1,374 | $2,089 | $2,768 | $3,577 | $4,284 |
| Black River | $1,623 | $2,472 | $3,385 | $4,314 | $5,297 |
| Brownville | $2,268 | $2,878 | $3,586 | $4,709 | $6,135 |
| Calcium | $1,002 | $1,544 | $2,051 | $2,786 | $3,561 |
| Cape Vincent | $650 | $1,666 | $2,752 | $4,066 | $5,948 |
| Carthage | $1,112 | $1,898 | $2,758 | $3,696 | $4,735 |
| Chaumont | $883 | $1,772 | $2,660 | $3,921 | $5,384 |
| Clayton | $1,340 | $2,458 | $3,911 | $6,046 | $9,897 |
| Copenhagen | $922 | $1,586 | $2,742 | $3,758 | $4,854 |
| Deferiet | $1,861 | $2,273 | $2,561 | $2,843 | $3,541 |
| Depauville | $1,133 | $1,866 | $2,315 | $2,875 | $3,283 |
| Dexter | $982 | $1,913 | $2,875 | $4,054 | $5,751 |
| Ellisburg | $1,266 | $1,547 | $2,288 | $3,078 | $4,257 |
| Evans Mills | $659 | $1,299 | $2,137 | $2,937 | $3,590 |
| Felts Mills | $1,226 | $1,803 | $2,276 | $2,825 | $3,628 |
| Fineview | N/A | N/A | N/A | N/A | N/A |
| Fishers Landing | $908 | $1,693 | $3,215 | $4,631 | $7,004 |
| Frontenac | $5,069 | $6,604 | $7,755 | $9,718 | $14,023 |
| Gouverneur | $642 | $822 | $2,480 | $3,116 | $3,679 |
| Great Bend | $1,421 | $1,765 | $2,546 | $4,251 | $4,620 |
| Grenell | $2,396 | $3,570 | $4,775 | $5,729 | $6,752 |
| Hammond | $803 | $1,262 | $1,814 | $3,798 | $4,226 |
| Henderson | $804 | $1,460 | $2,833 | $4,466 | $6,431 |
| Henderson Harbor | $1,756 | $3,001 | $4,472 | $6,217 | $8,766 |
| Hounsfield | N/A | N/A | N/A | N/A | N/A |
| Lacona | $860 | $1,075 | $2,200 | $4,147 | $5,268 |
| La Fargeville | $764 | $1,332 | $1,963 | $2,713 | $3,798 |
| Lorraine | $666 | $1,124 | $1,921 | $3,036 | $4,211 |
| Mannsville | $989 | $1,738 | $2,627 | $3,762 | $5,265 |
| Murray Isle | $2,995 | $4,127 | $5,777 | $7,976 | $11,022 |
| Natural Bridge | $603 | $1,097 | $1,819 | $2,364 | $3,007 |
| Philadelphia | $731 | $1,309 | $2,287 | $3,201 | $4,009 |
| Pierrepont Manor | $1,975 | $2,176 | $2,319 | $2,348 | $2,565 |
| Plessis | $673 | $1,269 | $2,477 | $3,306 | $6,075 |
| Redwood | $769 | $1,377 | $2,147 | $3,235 | $4,680 |
| Rodman | $747 | $1,743 | $2,759 | $3,857 | $5,012 |
| Sackets Harbor | $1,310 | $2,589 | $4,011 | $5,560 | $7,670 |
| Theresa | $510 | $950 | $1,680 | $2,451 | $3,268 |
| Thousand Island Park | $200 | $345 | $522 | $818 | $1,566 |
| Three Mile Bay | $448 | $1,401 | $2,289 | $3,158 | $4,526 |
| Watertown | $423 | $616 | $956 | $2,430 | $4,216 |
| Wellesley Island | $1,543 | $2,834 | $4,873 | $7,465 | $11,078 |
Source: Ownwell
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