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Multi-Family Dwellings (Generic, Any Combination)Residential
Last sold for $820,000 on Apr 8, 2004

451 RIDERS MILLS RD

OLD CHATHAM, NY 12136
3
Beds
3 / 2
Baths
4,271 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.
98.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1790
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$820,000 · Apr 8, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,957 (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.$1,525,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$716,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$808,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,525,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,859,756

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.41
21
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.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
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.3 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.Multi-Family Dwellings (Generic, Any Combination)
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.98.29
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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.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.Tennis courtPorch · 579 ft²

Transaction History(2)

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
Walter B Howard Elementary SchoolC
Elementary · Grades PK–6 · 3.7 mi
M
New Lebanon Junior-Senior High SchoolB-
Middle · Grades 7–12 · 7.8 mi

District: New Lebanon 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

451 Riders Mills Rd 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.

  • Bigger than 98% of homes in Columbia County
  • Has a bigger lot than 98% of homes in Columbia County
  • Among the oldest homes in Columbia County

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.

Living area4,271 ft²
SmallerTypical 2,024 ft²Bigger

Bigger than 95% of homes nearby

Lot size98.29 ac
SmallerTypical 6.21 acBigger

Bigger than 97% of homes nearby

Year built1790
OlderTypical 1970Newer

Newer than 5% of homes nearby

How 451 Riders Mills Rd ranks against every home in each area.
MeasureThis homeOld Chatham 12136Columbia County
Living areabigger than4,271 ft²95% of homes98% of homes
Lot sizebigger than98.29 ac97% of homes98% of homes
Year builtnewer than17905% of homesalmost no homes

About 451 Riders Mills Rd

When did 451 Riders Mills Rd, Old Chatham, NY last sell?

451 Riders Mills Rd, Old Chatham, NY last sold on Apr 8, 2004 for $820,000, according to the county's recorded deed.

How big is 451 Riders Mills Rd, Old Chatham, NY?

451 Riders Mills Rd, Old Chatham, NY has 3 bedrooms, 3 bathrooms, 4,271 square feet of living space and a 98.29-acre lot.

When was 451 Riders Mills Rd, Old Chatham, NY built?

451 Riders Mills Rd, Old Chatham, NY was built in 1790, making it 236 years old. It is a traditional/old home. The building has 1 story.

What schools serve 451 Riders Mills Rd, Old Chatham, NY?

451 Riders Mills Rd, Old Chatham, NY is assigned to Walter B Howard Elementary School (elementary), rated C; New Lebanon Junior-Senior High School (middle), rated B-. All sit in New Lebanon Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 451 Riders Mills Rd, Old Chatham, NY compare to other homes in Old Chatham 12136?

Among the 509 homes in Old Chatham 12136, it is bigger than 95% of them (4,271 ft² against a typical 2,024 ft²), its lot is bigger than 97% of them (98.29 ac against a typical 6.21 ac) and it is newer than 5% of them (1790 against a typical 1970). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 451 Riders Mills Rd, Old Chatham, NY?

The 2026 property tax bill for 451 Riders Mills Rd, Old Chatham, NY was $27,957. The county assessed it at $1,525,000.

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