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Duplex (2 Units, Any Combination)Residential

49 COTTAGE ST

CHELSEA, MA 02150
6
Beds
2
Baths
2,880 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.
3,792 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
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.$7,979 (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.$695,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$206,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$488,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$681,500

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.09
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(8)

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
Clark Avenue SchoolD
Middle · Grades 5–8 · 0.4 mi
H
Chelsea High SchoolD-
High · Grades 9–12 · 0.8 mi
E
William a Berkowitz Elementary SchoolB
Elementary · Grades 1–4 · 0.8 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

49 Cottage 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 83% of homes in Suffolk County

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 area2,880 ft²
SmallerTypical 1,750 ft²Bigger

Bigger than 77% of homes nearby

Lot size3,792 ft²
SmallerTypical 3,659 ft²Bigger

Bigger than 53% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 60% of homes nearby

How 49 Cottage St ranks against every home in each area.
MeasureThis homeChelsea 02150Suffolk County
Living areabigger than2,880 ft²77% of homes83% of homes
Lot sizebigger than3,792 ft²53% of homes62% of homes
Year builtnewer than192060% of homes56% of homes

About 49 Cottage St

When did 49 Cottage St, Chelsea, MA last sell?

49 Cottage St, Chelsea, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 49 Cottage St, Chelsea, MA?

49 Cottage St, Chelsea, MA has 6 bedrooms, 2 bathrooms, 2,880 square feet of living space and a 0.09-acre lot.

When was 49 Cottage St, Chelsea, MA built?

49 Cottage St, Chelsea, MA was built in 1920, making it 106 years old. It is a duplex single home. The building has 2 stories.

What schools serve 49 Cottage St, Chelsea, MA?

49 Cottage St, Chelsea, MA is assigned to Clark Avenue School (middle), rated D; 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 49 Cottage St, Chelsea, MA compare to other homes in Chelsea 02150?

Among the 5,340 homes in Chelsea 02150, it is bigger than 77% of them (2,880 ft² against a typical 1,750 ft²), its lot is bigger than 53% of them (3,792 ft² against a typical 3,659 ft²) and it is newer than 60% of them (1920 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 49 Cottage St, Chelsea, MA?

The 2026 property tax bill for 49 Cottage St, Chelsea, MA was $7,979. The county assessed it at $695,000.

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