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Single Family ResidenceResidential
$334,199$154 / 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 70How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

23 RIVER ST

CHATHAM, NY 12037
2
Beds
1
Baths
2,164 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
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

$334K
$233K low$436K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,703 (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.$287,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$258,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$275,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,000

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.44
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
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.20 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyColumbia
Lot (acres)The size of the land the home sits on, from county records.0.25
HeatingThe type of heating system in the home.Hot Water
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.Porch · 55 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.

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

M
Chatham Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
E
Mary E Dardess Elementary SchoolC+
Elementary · Grades PK–5 · 0.8 mi
H
Chatham High SchoolB+
High · Grades 9–12 · 0.9 mi

District: Chatham Central School District

Neighborhood · ZIP 12037These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.3,018
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.81 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,746
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,079
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Owner Tools

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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

23 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 78% of homes in Chatham 12037
  • Costs less per square foot than 96% of homes in Columbia County
  • Bigger than 72% of homes in Columbia County
  • Has a smaller lot than 86% of homes in Columbia County
  • Older than 93% of homes in Columbia County

What homes are worth in Chatham 12037

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

This home
$199K$1.8M

This home is worth more than 22% of homes in Chatham 12037.

How it measures up in Chatham 12037

The dot is this home. The mark in the middle is the typical home in Chatham 12037.

Estimated value$334,199
CheaperTypical $474,797Pricier

Pricier than 22% of homes nearby

Price per ft²$154
CheaperTypical $273Pricier

Pricier than 5% of homes nearby

Living area2,164 ft²
SmallerTypical 1,838 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.25 ac
SmallerTypical 1.4 acBigger

Bigger than 15% of homes nearby

Year built1850
OlderTypical 1949Newer

Newer than 11% of homes nearby

How 23 River St ranks against every home in each area.
MeasureThis homeChatham 12037Columbia County
Estimated valuepricier than$334,19922% of homes25% of homes
Price per ft²pricier than$1545% of homes4% of homes
Living areabigger than2,164 ft²65% of homes72% of homes
Lot sizebigger than0.25 ac15% of homes14% of homes
Year builtnewer than185011% of homes7% of homes

About 23 River St

How much is 23 River St, Chatham, NY worth?

The TopHap Estimate for 23 River St, Chatham, NY is $334,199 as of Aug 30, 2026. The likely range is $232,828 to $435,570. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 River St, Chatham, NY last sell?

23 River St, Chatham, NY last sold on Mar 29, 2022, according to the county's recorded deed.

How big is 23 River St, Chatham, NY?

23 River St, Chatham, NY has 2 bedrooms, 1 bathrooms, 2,164 square feet of living space and a 0.25-acre lot.

When was 23 River St, Chatham, NY built?

23 River St, Chatham, NY was built in 1850, making it 176 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 23 River St, Chatham, NY?

23 River St, Chatham, NY is assigned to Chatham Middle School (middle), rated C-; Mary E Dardess Elementary School (elementary), rated C+; Chatham High School (high), rated B+. All sit in Chatham Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 River St, Chatham, NY compare to other homes in Chatham 12037?

Among the 1,439 homes in Chatham 12037, it is worth more than 22% of them ($334,199 against a typical $474,797), its price per square foot is higher than 5% of them ($154 against a typical $273), it is bigger than 65% of them (2,164 ft² against a typical 1,838 ft²), its lot is bigger than 15% of them (0.25 ac against a typical 1.4 ac) and it is newer than 11% of them (1850 against a typical 1949). Measured against all of Columbia County, it is worth more than 25% 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 23 River St, Chatham, NY?

The 2025 property tax bill for 23 River St, Chatham, NY was $5,703. The county assessed it at $287,000.

More homes on River St

Closest homes

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Assigned schools

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