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Single Family ResidenceResidential
$150,248$200 / 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 89How 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
Last sold for $79,500 on Apr 21, 2005

11 MASON AVE

AMSTERDAM, NY 12010
2
Beds
1
Baths
750 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$150K
$134K low$167K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$79,500 · Apr 21, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,208 (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.$51,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$51,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$150,000

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.Ranch
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.11
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 45 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
Marie Curie Institute of Engineering and CommunicationsC+
Elementary · Grades PK–5 · 0.7 mi
M
Wilbur H Lynch Literacy AcademyC-
Middle · Grades 6–8 · 1.5 mi
H
Amsterdam High SchoolD
High · Grades 9–12 · 2.2 mi

District: Amsterdam City School District

Neighborhood · ZIP 12010These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.30,758
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.230 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,310
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,860
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

11 Mason Ave 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 89% of homes in Amsterdam 12010
  • Costs more per square foot than 84% of homes in Montgomery County
  • Among the smallest homes in Amsterdam 12010
  • Has a smaller lot than 88% of homes in Montgomery County
  • Newer than 70% of homes in Amsterdam 12010

What homes are worth in Amsterdam 12010

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

This home
$81K$640K

This home is worth more than 11% of homes in Amsterdam 12010.

How it measures up in Amsterdam 12010

The dot is this home. The mark in the middle is the typical home in Amsterdam 12010.

Estimated value$150,248
CheaperTypical $247,026Pricier

Pricier than 11% of homes nearby

Price per ft²$200
CheaperTypical $172Pricier

Pricier than 71% of homes nearby

Living area750 ft²
SmallerTypical 1,736 ft²Bigger

Smaller than almost all homes nearby

Lot size0.11 ac
SmallerTypical 0.29 acBigger

Bigger than 18% of homes nearby

Year built1966
OlderTypical 1940Newer

Newer than 70% of homes nearby

How 11 Mason Ave ranks against every home in each area.
MeasureThis homeAmsterdam 12010Montgomery County
Estimated valuepricier than$150,24811% of homes27% of homes
Price per ft²pricier than$20071% of homes84% of homes
Living areabigger than750 ft²almost no homes3% of homes
Lot sizebigger than0.11 ac18% of homes12% of homes
Year builtnewer than196670% of homes68% of homes

About 11 Mason Ave

How much is 11 Mason Ave, Amsterdam, NY worth?

The TopHap Estimate for 11 Mason Ave, Amsterdam, NY is $150,248 as of Sep 24, 2026. The likely range is $133,794 to $166,702. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Mason Ave, Amsterdam, NY last sell?

11 Mason Ave, Amsterdam, NY last sold on Apr 21, 2005 for $79,500, according to the county's recorded deed.

How big is 11 Mason Ave, Amsterdam, NY?

11 Mason Ave, Amsterdam, NY has 2 bedrooms, 1 bathrooms, 750 square feet of living space and a 0.11-acre lot.

When was 11 Mason Ave, Amsterdam, NY built?

11 Mason Ave, Amsterdam, NY was built in 1966, making it 60 years old. It is a ranch home. The building has 1 story.

What schools serve 11 Mason Ave, Amsterdam, NY?

11 Mason Ave, Amsterdam, NY is assigned to Marie Curie Institute of Engineering and Communications (elementary), rated C+; Wilbur H Lynch Literacy Academy (middle), rated C-; Amsterdam High School (high), rated D. All sit in Amsterdam City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Mason Ave, Amsterdam, NY compare to other homes in Amsterdam 12010?

Among the 9,294 homes in Amsterdam 12010, it is worth more than 11% of them ($150,248 against a typical $247,026), its price per square foot is higher than 71% of them ($200 against a typical $172), it is bigger than almost none of them (750 ft² against a typical 1,736 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.29 ac) and it is newer than 70% of them (1966 against a typical 1940). Measured against all of Montgomery County, it is worth more than 27% 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 11 Mason Ave, Amsterdam, NY?

The 2026 property tax bill for 11 Mason Ave, Amsterdam, NY was $2,208. The county assessed it at $51,000.

More homes on Mason Ave

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Assigned schools

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