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Duplex (2 Units, Any Combination)Residential
Last sold for $35,500 on Oct 7, 2025

521 CONGRESS ST

TROY, NY 12180
4
Beds
2
Baths
2,538 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1864
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,500 · Oct 7, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,138 (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.$110,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$98,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$110,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$188,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyRENSSELAER
Lot (acres)The size of the land the home sits on, from county records.0.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Above-Ground Pool

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.

H
Troy High SchoolC-
High · Grades 9–12 · 0.5 mi
M
Troy Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
E
PS 14C
Elementary · Grades PK–5 · 0.6 mi

District: Troy City School District

Neighborhood · ZIP 12180These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.55,638
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.985 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,443
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,896
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

521 Congress St 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.

  • Bigger than 86% of homes in Rensselaer County
  • Has a smaller lot than 84% of homes in Rensselaer County
  • Older than 97% of homes in Troy 12180

How it measures up in Troy 12180

The dot is this home. The mark in the middle is the typical home in Troy 12180.

Living area2,538 ft²
SmallerTypical 1,798 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.12 ac
SmallerTypical 0.18 acBigger

Bigger than 31% of homes nearby

Year built1864
OlderTypical 1940Newer

Newer than 3% of homes nearby

How 521 Congress St ranks against every home in each area.
MeasureThis homeThe HillTroy 12180Rensselaer County
Living areabigger than2,538 ft²69% of homes80% of homes86% of homes
Lot sizebigger than0.12 ac59% of homes31% of homes16% of homes
Year builtnewer than18644% of homes3% of homes5% of homes

About 521 Congress St

When did 521 Congress St, Troy, NY last sell?

521 Congress St, Troy, NY last sold on Oct 7, 2025 for $35,500, according to the county's recorded deed.

How big is 521 Congress St, Troy, NY?

521 Congress St, Troy, NY has 4 bedrooms, 2 bathrooms, 2,538 square feet of living space and a 0.12-acre lot.

When was 521 Congress St, Troy, NY built?

521 Congress St, Troy, NY was built in 1864, making it 162 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 521 Congress St, Troy, NY?

521 Congress St, Troy, NY is assigned to Troy High School (high), rated C-; Troy Middle School (middle), rated C-; PS 14 (elementary), rated C. All sit in Troy City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Congress St, Troy, NY compare to other homes in Troy 12180?

Among the 13,341 homes in Troy 12180, it is bigger than 80% of them (2,538 ft² against a typical 1,798 ft²), its lot is bigger than 31% of them (0.12 ac against a typical 0.18 ac) and it is newer than 3% of them (1864 against a typical 1940). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 521 Congress St, Troy, NY?

The 2025 property tax bill for 521 Congress St, Troy, NY was $5,138. The county assessed it at $110,000.

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