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Residential (General/Single)Residential
Last sold for $1,125,000 on Sep 3, 2025

21 ERNEST LN

MAHOPAC, NY 10541
0
Baths
10.16 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,125,000 · Sep 3, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,432 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$55,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$50,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$55,000

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
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.
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.
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.Residential (General/Single)
CountyPUTNAM
Lot (acres)The size of the land the home sits on, from county records.10.16
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront

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
Austin Road Elementary SchoolB
Elementary · Grades KG–5 · 1.3 mi
M
Mahopac Middle SchoolA
Middle · Grades 6–10 · 3.0 mi
H
Mahopac High SchoolB+
High · Grades 7–12 · 3.2 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

21 Ernest Ln 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.

  • Among the largest lots 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.

Lot size10.16 ac
SmallerTypical 0.52 acBigger

Bigger than almost all homes nearby

How 21 Ernest Ln ranks against every home in each area.
MeasureThis homeMahopac 10541Putnam County
Lot sizebigger than10.16 acalmost all homes98% of homes

About 21 Ernest Ln

When did 21 Ernest Ln, Mahopac, NY last sell?

21 Ernest Ln, Mahopac, NY last sold on Sep 3, 2025 for $1,125,000, according to the county's recorded deed.

What schools serve 21 Ernest Ln, Mahopac, NY?

21 Ernest Ln, Mahopac, NY is assigned to Austin Road Elementary School (elementary), rated B; Mahopac Middle School (middle), rated A; 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.

What are the property taxes on 21 Ernest Ln, Mahopac, NY?

The 2024 property tax bill for 21 Ernest Ln, Mahopac, NY was $1,432. The county assessed it at $55,000.

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