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Duplex (2 Units, Any Combination)Residential

900 CONGRESS AVE

NEW HAVEN, CT 06519
5
Beds
2.5
Baths
2,256 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,904 (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.$172,760 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$134,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$172,760
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,736

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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

Transaction History(3)

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
James Hillhouse High SchoolF
High · Grades 9–12 · 1.7 mi
E
Mauro - Sheridan Interdistrict Magnet SchoolC-
Elementary · Grades PK–8 · 2.3 mi

District: New Haven School District

Neighborhood · ZIP 06519These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.15,373
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,491 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,571
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$66,786
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

900 Congress 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.

  • Bigger than 78% of homes in South Central Connecticut County
  • Has a bigger lot than 89% of homes in New Haven 06519
  • Newer than 90% of homes in New Haven 06519

How it measures up in New Haven 06519

The dot is this home. The mark in the middle is the typical home in New Haven 06519.

Living area2,256 ft²
SmallerTypical 1,940 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.17 ac
SmallerTypical 0.1 acBigger

Bigger than 89% of homes nearby

Year built1989
OlderTypical 1900Newer

Newer than 90% of homes nearby

How 900 Congress Ave ranks against every home in each area.
MeasureThis homeNew Haven 06519South Central Connecticut County
Living areabigger than2,256 ft²62% of homes78% of homes
Lot sizebigger than0.17 ac89% of homes24% of homes
Year builtnewer than198990% of homes86% of homes

About 900 Congress Ave

When did 900 Congress Ave, New Haven, CT last sell?

900 Congress Ave, New Haven, CT last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 900 Congress Ave, New Haven, CT?

900 Congress Ave, New Haven, CT has 5 bedrooms, 2.5 bathrooms, 2,256 square feet of living space and a 0.17-acre lot.

When was 900 Congress Ave, New Haven, CT built?

900 Congress Ave, New Haven, CT was built in 1989, making it 37 years old. It is a duplex single home. The building has 2 stories.

What schools serve 900 Congress Ave, New Haven, CT?

900 Congress Ave, New Haven, CT is assigned to James Hillhouse High School (high), rated F; Mauro - Sheridan Interdistrict Magnet School (elementary), rated C-. All sit in New Haven School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 900 Congress Ave, New Haven, CT compare to other homes in New Haven 06519?

Among the 2,172 homes in New Haven 06519, it is bigger than 62% of them (2,256 ft² against a typical 1,940 ft²), its lot is bigger than 89% of them (0.17 ac against a typical 0.1 ac) and it is newer than 90% of them (1989 against a typical 1900). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 900 Congress Ave, New Haven, CT?

The 2026 property tax bill for 900 Congress Ave, New Haven, CT was $6,904. The county assessed it at $172,760.

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