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Single Family ResidenceResidential
$405,341$298 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

645 ROUTE 6N

MAHOPAC, NY 10541
3
Beds
2 / 1
Baths
1,358 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$405K
$375K low$435K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,573 (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.$362,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$318,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$362,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$362,300

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
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
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.43 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Traditional/Old
CountyPutnam
Lot (acres)The size of the land the home sits on, from county records.0.14
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, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 619 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
Mahopac Middle SchoolA
Middle · Grades 6–10 · 0.3 mi
H
Mahopac High SchoolB+
High · Grades 7–12 · 0.6 mi
E
Lakeview Elementary SchoolB-
Elementary · Grades KG–5 · 1.7 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

645 Route 6n 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 93% of homes in Mahopac 10541
  • Costs less per square foot than 73% of homes in Mahopac 10541
  • Smaller than 78% of homes in Mahopac 10541
  • Has a smaller lot than 88% of homes in Mahopac 10541
  • Older than 96% 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
$329K$1.3M

This home is worth more than 7% 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$405,341
CheaperTypical $630,345Pricier

Pricier than 7% of homes nearby

Price per ft²$298
CheaperTypical $330Pricier

Pricier than 27% of homes nearby

Living area1,358 ft²
SmallerTypical 1,938 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.14 ac
SmallerTypical 0.52 acBigger

Bigger than 12% of homes nearby

Year built1920
OlderTypical 1966Newer

Newer than 4% of homes nearby

How 645 Route 6n ranks against every home in each area.
MeasureThis homeMahopac 10541Putnam County
Estimated valuepricier than$405,3417% of homes18% of homes
Price per ft²pricier than$29827% of homes36% of homes
Living areabigger than1,358 ft²22% of homes28% of homes
Lot sizebigger than0.14 ac12% of homes18% of homes
Year builtnewer than19204% of homes7% of homes

About 645 Route 6n

How much is 645 Route 6n, Mahopac, NY worth?

The TopHap Estimate for 645 Route 6n, Mahopac, NY is $405,341 as of Sep 24, 2026. The likely range is $375,223 to $435,459. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 645 Route 6n, Mahopac, NY?

645 Route 6n, Mahopac, NY has 3 bedrooms, 2 bathrooms, 1,358 square feet of living space and a 0.14-acre lot.

When was 645 Route 6n, Mahopac, NY built?

645 Route 6n, Mahopac, NY was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 645 Route 6n, Mahopac, NY?

645 Route 6n, Mahopac, NY is assigned to Mahopac Middle School (middle), rated A; Mahopac High School (high), rated B+; Lakeview Elementary School (elementary), rated B-. All sit in Mahopac Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Route 6n, Mahopac, NY compare to other homes in Mahopac 10541?

Among the 8,708 homes in Mahopac 10541, it is worth more than 7% of them ($405,341 against a typical $630,345), its price per square foot is higher than 27% of them ($298 against a typical $330), it is bigger than 22% of them (1,358 ft² against a typical 1,938 ft²), its lot is bigger than 12% of them (0.14 ac against a typical 0.52 ac) and it is newer than 4% of them (1920 against a typical 1966). Measured against all of Putnam County, it is worth more than 18% 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 645 Route 6n, Mahopac, NY?

The 2025 property tax bill for 645 Route 6n, Mahopac, NY was $8,573. The county assessed it at $362,300.

More homes on Route 6n

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