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Triplex (3 Units, Any Combination)Residential

203 CONGRESS AVE

CHELSEA, MA 02150
9
Beds
5
Baths
4,574 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.
2,288 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
19
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,437 (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.$1,083,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$166,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$916,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$995,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.05
HeatingThe type of heating system in the home.Hot Water
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.

M
Eugene Wright Science and Technology AcademyC-
Middle · Grades 5–8 · 0.5 mi
H
Chelsea High SchoolD-
High · Grades 9–12 · 1.0 mi
E
William a Berkowitz Elementary SchoolB
Elementary · Grades 1–4 · 1.0 mi

District: Chelsea School District

Neighborhood · ZIP 02150These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.17%
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.1.4%
PopulationHow many people live in this area.40,106
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16,087 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,192
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,537
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

203 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 97% of homes in Suffolk County
  • Has a smaller lot than 79% of homes in Chelsea 02150
  • Newer than 70% of homes in Chelsea 02150

How it measures up in Chelsea 02150

The dot is this home. The mark in the middle is the typical home in Chelsea 02150.

Living area4,574 ft²
SmallerTypical 1,736 ft²Bigger

Bigger than 95% of homes nearby

Lot size2,288 ft²
SmallerTypical 3,703 ft²Bigger

Bigger than 21% of homes nearby

Year built1940
OlderTypical 1920Newer

Newer than 70% of homes nearby

How 203 Congress Ave ranks against every home in each area.
MeasureThis homeChelsea 02150Suffolk County
Living areabigger than4,574 ft²95% of homes97% of homes
Lot sizebigger than2,288 ft²21% of homes47% of homes
Year builtnewer than194070% of homes66% of homes

About 203 Congress Ave

When did 203 Congress Ave, Chelsea, MA last sell?

203 Congress Ave, Chelsea, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 203 Congress Ave, Chelsea, MA?

203 Congress Ave, Chelsea, MA has 9 bedrooms, 5 bathrooms, 4,574 square feet of living space and a 0.05-acre lot.

When was 203 Congress Ave, Chelsea, MA built?

203 Congress Ave, Chelsea, MA was built in 1940, making it 86 years old. The building has 3 stories.

What schools serve 203 Congress Ave, Chelsea, MA?

203 Congress Ave, Chelsea, MA is assigned to Eugene Wright Science and Technology Academy (middle), rated C-; Chelsea High School (high), rated D-; William a Berkowitz Elementary School (elementary), rated B. All sit in Chelsea School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 203 Congress Ave, Chelsea, MA compare to other homes in Chelsea 02150?

Among the 5,340 homes in Chelsea 02150, it is bigger than 95% of them (4,574 ft² against a typical 1,736 ft²), its lot is bigger than 21% of them (2,288 ft² against a typical 3,703 ft²) and it is newer than 70% of them (1940 against a typical 1920). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 203 Congress Ave, Chelsea, MA?

The 2026 property tax bill for 203 Congress Ave, Chelsea, MA was $12,437. The county assessed it at $1,083,400.

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