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Single Family ResidenceResidential
$1,208,469$361 / 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 94How 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

3942 STATE ROUTE 66

OLD CHATHAM, NY 12136
4
Beds
4.5
Baths
3,346 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.
6 ac
Lot SizeThe size of the land the home sits on, from county records.
1800
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,874 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$775,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$705,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$775,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$945,122

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.48
62
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
87
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.27 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.6.00
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 · 368 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 SchoolB
Middle · Grades 6–8 · 4.8 mi
H
Chatham High SchoolB
High · Grades 9–12 · 4.8 mi
E
Mary E Dardess Elementary SchoolC-
Elementary · Grades PK–5 · 4.8 mi

District: Chatham Central School District

Neighborhood · ZIP 12136These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.1,012
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.51 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,163
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,959
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

3942 State Route 66 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 93% of homes in Columbia County
  • Costs more per square foot than 75% of homes in Columbia County
  • Bigger than 94% of homes in Columbia County
  • Has a bigger lot than 77% of homes in Columbia County
  • Among the oldest homes in Columbia County

What homes are worth in Old Chatham 12136

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

This home
$221K$2.6M

This home is worth more than 84% of homes in Old Chatham 12136.

How it measures up in Old Chatham 12136

The dot is this home. The mark in the middle is the typical home in Old Chatham 12136.

Estimated value$1,208,469
CheaperTypical $565,653Pricier

Pricier than 84% of homes nearby

Price per ft²$361
CheaperTypical $305Pricier

Pricier than 67% of homes nearby

Living area3,346 ft²
SmallerTypical 2,012 ft²Bigger

Bigger than 88% of homes nearby

Lot size6 ac
SmallerTypical 6.2 acBigger

Bigger than 49% of homes nearby

Year built1800
OlderTypical 1970Newer

Newer than 8% of homes nearby

How 3942 State Route 66 ranks against every home in each area.
MeasureThis homeOld Chatham 12136Columbia County
Estimated valuepricier than$1,208,46984% of homes93% of homes
Price per ft²pricier than$36167% of homes75% of homes
Living areabigger than3,346 ft²88% of homes94% of homes
Lot sizebigger than6 ac49% of homes77% of homes
Year builtnewer than18008% of homesalmost no homes

About 3942 State Route 66

How much is 3942 State Route 66, Old Chatham, NY worth?

The TopHap Estimate for 3942 State Route 66, Old Chatham, NY is $1,208,469 as of Oct 21, 2026. The likely range is $1,139,390 to $1,277,548. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3942 State Route 66, Old Chatham, NY last sell?

3942 State Route 66, Old Chatham, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3942 State Route 66, Old Chatham, NY?

3942 State Route 66, Old Chatham, NY has 4 bedrooms, 4.5 bathrooms, 3,346 square feet of living space and a 6.00-acre lot.

When was 3942 State Route 66, Old Chatham, NY built?

3942 State Route 66, Old Chatham, NY was built in 1800, making it 226 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 3942 State Route 66, Old Chatham, NY?

3942 State Route 66, Old Chatham, NY is assigned to Chatham Middle School (middle), rated B; Chatham High School (high), rated B; Mary E Dardess Elementary School (elementary), rated C-. All sit in Chatham Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3942 State Route 66, Old Chatham, NY compare to other homes in Old Chatham 12136?

Among the 507 homes in Old Chatham 12136, it is worth more than 84% of them ($1,208,469 against a typical $565,653), its price per square foot is higher than 67% of them ($361 against a typical $305), it is bigger than 88% of them (3,346 ft² against a typical 2,012 ft²), its lot is bigger than 49% of them (6 ac against a typical 6.2 ac) and it is newer than 8% of them (1800 against a typical 1970). Measured against all of Columbia County, it is worth more than 93% 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 3942 State Route 66, Old Chatham, NY?

The 2026 property tax bill for 3942 State Route 66, Old Chatham, NY was $13,874. The county assessed it at $775,000.

More homes on State Route 66

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