Home and mortgage

St. Lawrence County, NY Property Tax Calculator

St. Lawrence County homeowners pay a median $2,844 a year in property tax, 2.33% of a median $121,900 home: above New York's 1.55% and the national 0.94%.

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Property tax in St. Lawrence County by home value, at 2.33%

Home value	A year	A month
$60,000	$1,400	$117
$90,000	$2,100	$175
$120,000	$2,800	$233
$180,000	$4,199	$350
$240,000	$5,599	$467

St. Lawrence County against New York and the US

	Effective rate	Median tax	Median home value	Median household income
St. Lawrence County	2.33%	$2,844	$121,900	$62,850
New York	1.55%	$6,582	$423,800	$85,974
United States	0.94%	$3,119	$332,700	$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in St. Lawrence County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

Questions people ask

What is the property tax rate in St. Lawrence County?

The effective rate is 2.33%: a median $2,844 a year on a median $121,900 home. That's the 12th highest of the 39 New York counties we cover.

How much is property tax on a $400,000 house in St. Lawrence County?

About $9,332 a year, $778 a month, at the county's effective rate, before any exemption.

How does St. Lawrence County compare with the rest of New York?

Its rate is above the state's 1.55%. Across New York, covered counties range from 0.70% to 2.65%.

How do I lower my St. Lawrence County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Related calculators

Sources

US Census Bureau: American Community Survey 2020–2024 5-year estimates (tables B25077, B25103, B19013, B25064)

Updated Sep 30, 2026 by the RateHerald team. The maths is tested against worked examples; report a problem.