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Single Family ResidenceResidential
$149,177$131 / 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 79How 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 $2,300 on Sep 30, 2019

31 S RIVER ST

TROY, NY 12180
3
Beds
1
Baths
1,140 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.
0.18 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.

Valuation

$149K
$118K low$180K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,300 · Sep 30, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,316 (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.$71,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$121,600

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.53
97
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
3
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.
82
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
21
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.153 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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.0.18
HeatingThe type of heating system in the home.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

Transaction History(3)

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.

E
Carroll Hill SchoolD
Elementary · Grades PK–5 · 0.9 mi
H
Troy High SchoolC-
High · Grades 9–12 · 1.8 mi
M
Troy Middle SchoolC-
Middle · Grades 6–8 · 1.9 mi

District: Troy City School District

Neighborhood · ZIP 12180These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.55,638
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.985 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,443
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,896
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

31 S River 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 96% of homes in Troy 12180
  • Costs less per square foot than 90% of homes in Troy 12180
  • Smaller than 87% of homes in Troy 12180
  • Has a bigger lot than 75% of homes in South Troy
  • Older than 75% of homes in Rensselaer County

What homes are worth in Troy 12180

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

This home
$123K$700K

This home is worth more than 4% of homes in Troy 12180.

How it measures up in Troy 12180

The dot is this home. The mark in the middle is the typical home in Troy 12180.

Estimated value$149,177
CheaperTypical $312,898Pricier

Pricier than 4% of homes nearby

Price per ft²$131
CheaperTypical $209Pricier

Pricier than 10% of homes nearby

Living area1,140 ft²
SmallerTypical 1,800 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.18 ac
SmallerTypical 0.18 acBigger

Bigger than 51% of homes nearby

Year built1910
OlderTypical 1939Newer

Newer than 37% of homes nearby

How 31 S River St ranks against every home in each area.
MeasureThis homeSouth TroyTroy 12180Rensselaer County
Estimated valuepricier than$149,1778% of homes4% of homes5% of homes
Price per ft²pricier than$13117% of homes10% of homes11% of homes
Living areabigger than1,140 ft²18% of homes13% of homes17% of homes
Lot sizebigger than0.18 ac75% of homes51% of homes28% of homes
Year builtnewer than191046% of homes37% of homes25% of homes

About 31 S River St

How much is 31 S River St, Troy, NY worth?

The TopHap Estimate for 31 S River St, Troy, NY is $149,177 as of Oct 21, 2026. The likely range is $118,065 to $180,289. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 S River St, Troy, NY last sell?

31 S River St, Troy, NY last sold on Sep 30, 2019 for $2,300, according to the county's recorded deed.

How big is 31 S River St, Troy, NY?

31 S River St, Troy, NY has 3 bedrooms, 1 bathrooms, 1,140 square feet of living space and a 0.18-acre lot.

When was 31 S River St, Troy, NY built?

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

What schools serve 31 S River St, Troy, NY?

31 S River St, Troy, NY is assigned to Carroll Hill School (elementary), rated D; Troy High School (high), rated C-; Troy Middle School (middle), rated C-. All sit in Troy City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 S River St, Troy, NY compare to other homes in Troy 12180?

Among the 13,341 homes in Troy 12180, it is worth more than 4% of them ($149,177 against a typical $312,898), its price per square foot is higher than 10% of them ($131 against a typical $209), it is bigger than 13% of them (1,140 ft² against a typical 1,800 ft²), its lot is bigger than 51% of them (0.18 ac against a typical 0.18 ac) and it is newer than 37% of them (1910 against a typical 1939). Measured against all of Rensselaer County, it is worth more than 5% 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 31 S River St, Troy, NY?

The 2025 property tax bill for 31 S River St, Troy, NY was $3,316. The county assessed it at $71,000.

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