Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$221,667$123 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

21 ROMEYN AVE

AMSTERDAM, NY 12010
4
Beds
1.5
Baths
1,800 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1906
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$222K
$195K low$248K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,740 (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.$73,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$73,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$214,706

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
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Porch · 668 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.

M
Wilbur H Lynch Literacy AcademyD-
Middle · Grades 6–8 · 0.4 mi
E
Raphael J Mcnulty Academy for Intern Studies and LiteracyF
Elementary · Grades PK–5 · 0.5 mi
H
Amsterdam High SchoolD
High · Grades 9–12 · 1.2 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%

Owner Tools

Do you own this home?
Claim this home

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 Romeyn 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.

  • Costs less per square foot than 79% of homes in Amsterdam 12010
  • Has a smaller lot than 66% of homes in Montgomery County
  • Older than 73% 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
$84K$635K

This home is worth more than 41% 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$221,667
CheaperTypical $242,617Pricier

Pricier than 41% of homes nearby

Price per ft²$123
CheaperTypical $169Pricier

Pricier than 21% of homes nearby

Living area1,800 ft²
SmallerTypical 1,728 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.23 ac
SmallerTypical 0.29 acBigger

Bigger than 43% of homes nearby

Year built1906
OlderTypical 1940Newer

Newer than 27% of homes nearby

How 21 Romeyn Ave ranks against every home in each area.
MeasureThis homeAmsterdam 12010Montgomery County
Estimated valuepricier than$221,66741% of homes59% of homes
Price per ft²pricier than$12321% of homes43% of homes
Living areabigger than1,800 ft²53% of homes59% of homes
Lot sizebigger than0.23 ac43% of homes34% of homes
Year builtnewer than190627% of homes32% of homes

About 21 Romeyn Ave

How much is 21 Romeyn Ave, Amsterdam, NY worth?

The TopHap Estimate for 21 Romeyn Ave, Amsterdam, NY is $221,667 as of Oct 21, 2026. The likely range is $194,880 to $248,454. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Romeyn Ave, Amsterdam, NY last sell?

21 Romeyn Ave, Amsterdam, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Romeyn Ave, Amsterdam, NY?

21 Romeyn Ave, Amsterdam, NY has 4 bedrooms, 1.5 bathrooms, 1,800 square feet of living space and a 0.23-acre lot.

When was 21 Romeyn Ave, Amsterdam, NY built?

21 Romeyn Ave, Amsterdam, NY was built in 1906, making it 120 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 Romeyn Ave, Amsterdam, NY?

21 Romeyn Ave, Amsterdam, NY is assigned to Wilbur H Lynch Literacy Academy (middle), rated D-; Raphael J Mcnulty Academy for Intern Studies and Literacy (elementary), rated F; 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 21 Romeyn Ave, Amsterdam, NY compare to other homes in Amsterdam 12010?

Among the 9,297 homes in Amsterdam 12010, it is worth more than 41% of them ($221,667 against a typical $242,617), its price per square foot is higher than 21% of them ($123 against a typical $169), it is bigger than 53% of them (1,800 ft² against a typical 1,728 ft²), its lot is bigger than 43% of them (0.23 ac against a typical 0.29 ac) and it is newer than 27% of them (1906 against a typical 1940). Measured against all of Montgomery County, it is worth more than 59% 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 21 Romeyn Ave, Amsterdam, NY?

The 2026 property tax bill for 21 Romeyn Ave, Amsterdam, NY was $2,740. The county assessed it at $73,000.

More homes on Romeyn Ave

Closest homes

More homes in Amsterdam 12010

Assigned schools

Explore the area

See this home in context

Open 21 Romeyn Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map