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Single Family ResidenceResidential
$269,775$133 / 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 92How 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 $254,000 on Aug 14, 2025

21 LEROY ST

POTSDAM, NY 13676
4
Beds
2
Baths
2,022 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$270K
$249K low$291K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$254,000 · Aug 14, 2025

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$253,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$199,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$253,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family 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.1998
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Hot Water
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 639 ft²Porch · 539 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
Potsdam Senior High SchoolC+
High · Grades 9–12 · 0.1 mi
E
Lawrence Avenue Elementary SchoolB-
Elementary · Grades PK–4 · 0.3 mi
M
A a Kingston Middle SchoolB
Middle · Grades 2–8 · 0.4 mi

District: Potsdam Central School District

Neighborhood · ZIP 13676These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.159

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.15,183
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.95 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,985
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,436
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

21 Leroy St 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 87% of homes in St. Lawrence County
  • Costs more per square foot than 76% of homes in St. Lawrence County
  • Bigger than 83% of homes in St. Lawrence County
  • Has a smaller lot than 95% of homes in Potsdam 13676
  • Older than 69% of homes in Potsdam 13676

What homes are worth in Potsdam 13676

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

This home
$57K$439K

This home is worth more than 77% of homes in Potsdam 13676.

How it measures up in Potsdam 13676

The dot is this home. The mark in the middle is the typical home in Potsdam 13676.

Estimated value$269,775
CheaperTypical $193,388Pricier

Pricier than 77% of homes nearby

Price per ft²$133
CheaperTypical $120Pricier

Pricier than 61% of homes nearby

Living area2,022 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.16 ac
SmallerTypical 1.1 acBigger

Bigger than 5% of homes nearby

Year built1920
OlderTypical 1960Newer

Newer than 31% of homes nearby

How 21 Leroy St ranks against every home in each area.
MeasureThis homePotsdam 13676St. Lawrence County
Estimated valuepricier than$269,77577% of homes87% of homes
Price per ft²pricier than$13361% of homes76% of homes
Living areabigger than2,022 ft²74% of homes83% of homes
Lot sizebigger than0.16 ac5% of homes10% of homes
Year builtnewer than192031% of homes32% of homes

About 21 Leroy St

How much is 21 Leroy St, Potsdam, NY worth?

The TopHap Estimate for 21 Leroy St, Potsdam, NY is $269,775 as of Sep 24, 2026. The likely range is $248,961 to $290,589. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Leroy St, Potsdam, NY last sell?

21 Leroy St, Potsdam, NY last sold on Aug 14, 2025 for $254,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Leroy St, Potsdam, NY?

21 Leroy St, Potsdam, NY has 4 bedrooms, 2 bathrooms, 2,022 square feet of living space and a 0.16-acre lot.

When was 21 Leroy St, Potsdam, NY built?

21 Leroy St, Potsdam, NY was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 Leroy St, Potsdam, NY?

21 Leroy St, Potsdam, NY is assigned to Potsdam Senior High School (high), rated C+; Lawrence Avenue Elementary School (elementary), rated B-; A a Kingston Middle School (middle), rated B. All sit in Potsdam Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Leroy St, Potsdam, NY compare to other homes in Potsdam 13676?

Among the 4,312 homes in Potsdam 13676, it is worth more than 77% of them ($269,775 against a typical $193,388), its price per square foot is higher than 61% of them ($133 against a typical $120), it is bigger than 74% of them (2,022 ft² against a typical 1,560 ft²), its lot is bigger than 5% of them (0.16 ac against a typical 1.1 ac) and it is newer than 31% of them (1920 against a typical 1960). Measured against all of St. Lawrence County, it is worth more than 87% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Leroy St

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