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Single Family ResidenceResidential
$497,423$323 / 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 98How 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
Last sold for $375,000 on Aug 9, 2022

91 CHESTNUT RIDGE RD

MAHOPAC, NY 10541
6
Beds
3 / 1
Baths
1,542 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.
1.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$497K
$486K low$509K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Aug 9, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,449 (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.$482,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$342,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$482,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$482,900

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
16
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Cape Cod
CountyPutnam
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1975
Lot (acres)The size of the land the home sits on, from county records.1.47
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.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 144 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.

E
Fulmar Road Elementary SchoolB-
Elementary · Grades KG–5 · 3.0 mi
M
Mahopac Middle SchoolC+
Middle · Grades 6–10 · 3.9 mi
H
Mahopac High SchoolB+
High · Grades 7–12 · 4.1 mi

District: Mahopac Central School District

Neighborhood · ZIP 10541These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.25,746
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.975 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,815
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,268
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

91 Chestnut Ridge 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.

  • Worth less than 81% of homes in Mahopac 10541
  • Smaller than 70% of homes in Mahopac 10541
  • Has a bigger lot than 86% of homes in Mahopac 10541

What homes are worth in Mahopac 10541

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

This home
$341K$1.3M

This home is worth more than 19% of homes in Mahopac 10541.

How it measures up in Mahopac 10541

The dot is this home. The mark in the middle is the typical home in Mahopac 10541.

Estimated value$497,423
CheaperTypical $635,964Pricier

Pricier than 19% of homes nearby

Price per ft²$323
CheaperTypical $333Pricier

Pricier than 43% of homes nearby

Living area1,542 ft²
SmallerTypical 1,934 ft²Bigger

Bigger than 30% of homes nearby

Lot size1.47 ac
SmallerTypical 0.52 acBigger

Bigger than 86% of homes nearby

Year built1965
OlderTypical 1966Newer

Newer than 49% of homes nearby

How 91 Chestnut Ridge Rd ranks against every home in each area.
MeasureThis homeMahopac 10541Putnam County
Estimated valuepricier than$497,42319% of homes34% of homes
Price per ft²pricier than$32343% of homes48% of homes
Living areabigger than1,542 ft²30% of homes39% of homes
Lot sizebigger than1.47 ac86% of homes79% of homes
Year builtnewer than196549% of homes48% of homes

About 91 Chestnut Ridge Rd

How much is 91 Chestnut Ridge Rd, Mahopac, NY worth?

The TopHap Estimate for 91 Chestnut Ridge Rd, Mahopac, NY is $497,423 as of Aug 30, 2026. The likely range is $486,152 to $508,694. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 91 Chestnut Ridge Rd, Mahopac, NY last sell?

91 Chestnut Ridge Rd, Mahopac, NY last sold on Aug 9, 2022 for $375,000, according to the county's recorded deed.

How big is 91 Chestnut Ridge Rd, Mahopac, NY?

91 Chestnut Ridge Rd, Mahopac, NY has 6 bedrooms, 3 bathrooms, 1,542 square feet of living space and a 1.47-acre lot.

When was 91 Chestnut Ridge Rd, Mahopac, NY built?

91 Chestnut Ridge Rd, Mahopac, NY was built in 1965, making it 61 years old. It is a cape cod home. The building has 2 stories.

What schools serve 91 Chestnut Ridge Rd, Mahopac, NY?

91 Chestnut Ridge Rd, Mahopac, NY is assigned to Fulmar Road Elementary School (elementary), rated B-; Mahopac Middle School (middle), rated C+; Mahopac High School (high), rated B+. All sit in Mahopac Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 91 Chestnut Ridge Rd, Mahopac, NY compare to other homes in Mahopac 10541?

Among the 8,706 homes in Mahopac 10541, it is worth more than 19% of them ($497,423 against a typical $635,964), its price per square foot is higher than 43% of them ($323 against a typical $333), it is bigger than 30% of them (1,542 ft² against a typical 1,934 ft²), its lot is bigger than 86% of them (1.47 ac against a typical 0.52 ac) and it is newer than 49% of them (1965 against a typical 1966). Measured against all of Putnam County, it is worth more than 34% 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 91 Chestnut Ridge Rd, Mahopac, NY?

The 2025 property tax bill for 91 Chestnut Ridge Rd, Mahopac, NY was $12,449. The county assessed it at $482,900.

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