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Single Family ResidenceResidential
$193,349$74 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $105,000 on Aug 5, 2004

643 SOUTH ST

HOOSICK FALLS, NY 12090
5
Beds
1
Baths
2,620 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1829
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$193K
$174K low$212K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$105,000 · Aug 5, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,980 (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.$226,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$226,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$234,197

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.34
1
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.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyRENSSELAER
Lot (acres)The size of the land the home sits on, from county records.0.35
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.Mixed
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.Porch · 684 ft²

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

H
Hoosick Falls High SchoolB-
High · Grades 9–12 · 1.8 mi
E
Hoosick Falls Elementary SchoolC-
Elementary · Grades PK–4 · 1.8 mi
M
Hoosick Falls Middle SchoolC
Middle · Grades 5–8 · 1.8 mi

District: Hoosick Falls Central School District

Neighborhood · ZIP 12090These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.56

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.6,449
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.113 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,101
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,013
Average tempThe average temperature here across a full year.45°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

643 South 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 less than 89% of homes in Rensselaer County
  • Among the lowest price per square foot in Rensselaer County
  • Bigger than 89% of homes in Hoosick Falls 12090
  • Older than 98% of homes in Rensselaer County

What homes are worth in Hoosick Falls 12090

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

This home
$76K$535K

This home is worth more than 39% of homes in Hoosick Falls 12090.

How it measures up in Hoosick Falls 12090

The dot is this home. The mark in the middle is the typical home in Hoosick Falls 12090.

Estimated value$193,349
CheaperTypical $216,594Pricier

Pricier than 39% of homes nearby

Price per ft²$74
CheaperTypical $134Pricier

Pricier than 8% of homes nearby

Living area2,620 ft²
SmallerTypical 1,688 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.35 ac
SmallerTypical 0.67 acBigger

Bigger than 36% of homes nearby

Year built1829
OlderTypical 1949Newer

Newer than 3% of homes nearby

How 643 South St ranks against every home in each area.
MeasureThis homeHoosick Falls 12090Rensselaer County
Estimated valuepricier than$193,34939% of homes11% of homes
Price per ft²pricier than$748% of homesalmost no homes
Living areabigger than2,620 ft²89% of homes88% of homes
Lot sizebigger than0.35 ac36% of homes44% of homes
Year builtnewer than18293% of homes2% of homes

About 643 South St

How much is 643 South St, Hoosick Falls, NY worth?

The TopHap Estimate for 643 South St, Hoosick Falls, NY is $193,349 as of Oct 21, 2026. The likely range is $174,246 to $212,452. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 South St, Hoosick Falls, NY last sell?

643 South St, Hoosick Falls, NY last sold on Aug 5, 2004 for $105,000, according to the county's recorded deed.

How big is 643 South St, Hoosick Falls, NY?

643 South St, Hoosick Falls, NY has 5 bedrooms, 1 bathrooms, 2,620 square feet of living space and a 0.35-acre lot.

When was 643 South St, Hoosick Falls, NY built?

643 South St, Hoosick Falls, NY was built in 1829, making it 197 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 643 South St, Hoosick Falls, NY?

643 South St, Hoosick Falls, NY is assigned to Hoosick Falls High School (high), rated B-; Hoosick Falls Elementary School (elementary), rated C-; Hoosick Falls Middle School (middle), rated C. All sit in Hoosick Falls Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 South St, Hoosick Falls, NY compare to other homes in Hoosick Falls 12090?

Among the 2,192 homes in Hoosick Falls 12090, it is worth more than 39% of them ($193,349 against a typical $216,594), its price per square foot is higher than 8% of them ($74 against a typical $134), it is bigger than 89% of them (2,620 ft² against a typical 1,688 ft²), its lot is bigger than 36% of them (0.35 ac against a typical 0.67 ac) and it is newer than 3% of them (1829 against a typical 1949). Measured against all of Rensselaer County, it is worth more than 11% 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 643 South St, Hoosick Falls, NY?

The 2025 property tax bill for 643 South St, Hoosick Falls, NY was $8,980. The county assessed it at $226,000.

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