Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$344,769$118 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $191,000 on Jul 26, 2005

3100 COUNTY ROUTE 21

CANTON, NY 13617
3
Beds
2
Baths
2,928 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
29.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$345K
$274K low$415K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$191,000 · Jul 26, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,272 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$202,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$180,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$311,538

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
2
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyST. LAWRENCE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1975
Lot (acres)The size of the land the home sits on, from county records.29.20
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Above-Ground Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 424 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
H C Williams Senior High SchoolB
High · Grades 9–12 · 4.4 mi
M
J M Mckenney Middle SchoolB-
Middle · Grades 5–8 · 4.4 mi
E
F S Banford Elementary SchoolC
Elementary · Grades PK–4 · 4.5 mi

District: Canton Central School District

Neighborhood · ZIP 13617These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.74
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.125

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.11,685
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.86 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,140
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,707
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3100 County Route 21 measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 95% of homes in St. Lawrence County
  • Costs more per square foot than 67% of homes in St. Lawrence County
  • Bigger than 97% of homes in St. Lawrence County
  • Has a bigger lot than 90% of homes in St. Lawrence County
  • Older than 85% of homes in St. Lawrence County

What homes are worth in Canton 13617

Each bar is how many homes fall in that price range. The marker is this home.

This home
$66K$436K

This home is worth more than 93% of homes in Canton 13617.

How it measures up in Canton 13617

The dot is this home. The mark in the middle is the typical home in Canton 13617.

Estimated value$344,769
CheaperTypical $190,296Pricier

Pricier than 93% of homes nearby

Price per ft²$118
CheaperTypical $116Pricier

Pricier than 51% of homes nearby

Living area2,928 ft²
SmallerTypical 1,570 ft²Bigger

Bigger than 95% of homes nearby

Lot size29.2 ac
SmallerTypical 1.1 acBigger

Bigger than 89% of homes nearby

Year built1890
OlderTypical 1959Newer

Newer than 22% of homes nearby

How 3100 County Route 21 ranks against every home in each area.
MeasureThis homeCanton 13617St. Lawrence County
Estimated valuepricier than$344,76993% of homes95% of homes
Price per ft²pricier than$11851% of homes67% of homes
Living areabigger than2,928 ft²95% of homes97% of homes
Lot sizebigger than29.2 ac89% of homes90% of homes
Year builtnewer than189022% of homes15% of homes

About 3100 County Route 21

How much is 3100 County Route 21, Canton, NY worth?

The TopHap Estimate for 3100 County Route 21, Canton, NY is $344,769 as of Sep 24, 2026. The likely range is $274,481 to $415,057. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3100 County Route 21, Canton, NY last sell?

3100 County Route 21, Canton, NY last sold on Jul 26, 2005 for $191,000, according to the county's recorded deed.

How big is 3100 County Route 21, Canton, NY?

3100 County Route 21, Canton, NY has 3 bedrooms, 2 bathrooms, 2,928 square feet of living space and a 29.20-acre lot.

When was 3100 County Route 21, Canton, NY built?

3100 County Route 21, Canton, NY was built in 1890, making it 136 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 3100 County Route 21, Canton, NY?

3100 County Route 21, Canton, NY is assigned to H C Williams Senior High School (high), rated B; J M Mckenney Middle School (middle), rated B-; F S Banford Elementary School (elementary), rated C. All sit in Canton Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3100 County Route 21, Canton, NY compare to other homes in Canton 13617?

Among the 2,988 homes in Canton 13617, it is worth more than 93% of them ($344,769 against a typical $190,296), its price per square foot is higher than 51% of them ($118 against a typical $116), it is bigger than 95% of them (2,928 ft² against a typical 1,570 ft²), its lot is bigger than 89% of them (29.2 ac against a typical 1.1 ac) and it is newer than 22% of them (1890 against a typical 1959). Measured against all of St. Lawrence County, it is worth more than 95% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3100 County Route 21, Canton, NY?

The 2025 property tax bill for 3100 County Route 21, Canton, NY was $8,272. The county assessed it at $202,500.

More homes on County Route 21

Closest homes

More homes in Canton 13617

Assigned schools

Explore the area

See this home in context

Open 3100 County Route 21 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map