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Single Family ResidenceResidential
$210,498$114 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $175,000 on Sep 19, 2019

121 UNION ST

BLACK RIVER, NY 13612
4
Beds
1
Baths
1,844 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$210K
$180K low$241K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Sep 19, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,166 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$205,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$205,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$221,622

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
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.1.00
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 176 ft²Porch · 273 ft²

Transaction History(1)

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

Foreclosure Filings(1)

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

E
Black River SchoolC+
Elementary · Grades PK–4 · 0.5 mi
M
Carthage Middle SchoolB-
Middle · Grades 5–8 · 7.3 mi
H
Carthage Senior High SchoolC
High · Grades 9–12 · 7.4 mi

District: Carthage Central School District

Neighborhood · ZIP 13612These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.2,394
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.135 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,398
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,589
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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

121 Union 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.

  • Costs less per square foot than 78% of homes in Black River 13612
  • Bigger than 71% of homes in Jefferson County
  • Has a bigger lot than 65% of homes in Black River 13612
  • Older than 71% of homes in Black River 13612

What homes are worth in Black River 13612

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

This home
$107K$407K

This home is worth more than 40% of homes in Black River 13612.

How it measures up in Black River 13612

The dot is this home. The mark in the middle is the typical home in Black River 13612.

Estimated value$210,498
CheaperTypical $229,106Pricier

Pricier than 40% of homes nearby

Price per ft²$114
CheaperTypical $143Pricier

Pricier than 22% of homes nearby

Living area1,844 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 69% of homes nearby

Lot size1 ac
SmallerTypical 0.62 acBigger

Bigger than 65% of homes nearby

Year built1910
OlderTypical 1969Newer

Newer than 29% of homes nearby

How 121 Union St ranks against every home in each area.
MeasureThis homeBlack River 13612Jefferson County
Estimated valuepricier than$210,49840% of homes52% of homes
Price per ft²pricier than$11422% of homes36% of homes
Living areabigger than1,844 ft²69% of homes71% of homes
Lot sizebigger than1 ac65% of homes62% of homes
Year builtnewer than191029% of homes33% of homes

About 121 Union St

How much is 121 Union St, Black River, NY worth?

The TopHap Estimate for 121 Union St, Black River, NY is $210,498 as of Jul 14, 2026. The likely range is $179,926 to $241,070. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Union St, Black River, NY last sell?

121 Union St, Black River, NY last sold on Sep 19, 2019 for $175,000, according to the county's recorded deed.

How big is 121 Union St, Black River, NY?

121 Union St, Black River, NY has 4 bedrooms, 1 bathrooms, 1,844 square feet of living space and a 1.00-acre lot.

When was 121 Union St, Black River, NY built?

121 Union St, Black River, NY was built in 1910, making it 116 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 121 Union St, Black River, NY?

121 Union St, Black River, NY is assigned to Black River School (elementary), rated C+; Carthage Middle School (middle), rated B-; Carthage Senior High School (high), rated C. All sit in Carthage Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Union St, Black River, NY compare to other homes in Black River 13612?

Among the 913 homes in Black River 13612, it is worth more than 40% of them ($210,498 against a typical $229,106), its price per square foot is higher than 22% of them ($114 against a typical $143), it is bigger than 69% of them (1,844 ft² against a typical 1,548 ft²), its lot is bigger than 65% of them (1 ac against a typical 0.62 ac) and it is newer than 29% of them (1910 against a typical 1969). Measured against all of Jefferson County, it is worth more than 52% 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 121 Union St, Black River, NY?

The 2024 property tax bill for 121 Union St, Black River, NY was $4,166. The county assessed it at $205,000.

More homes on Union St

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Assigned schools

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