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Single Family ResidenceResidential
$676,229$325 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $674,000 on Feb 13, 2026

20 ROSSETER ST

DORCHESTER, MA 02121
5
Beds
2.5
Baths
2,079 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$676K
$607K low$746K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$674,000 · Feb 13, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$14,437
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$11,550
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.98%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$661,792
UNITED WHOLESALE MORTGAGE · E · 4.75% 1 · recorded Feb 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,989 (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.$517,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$156,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$361,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$683,050

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.Colonial
CountySUFFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1995
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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(9)

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.

E
Up Academy HollandC
Elementary · Grades PK–5 · 0.2 mi
M
Lilla G. Frederick Middle SchoolD+
Middle · Grades 6–8 · 0.3 mi
H
Jeremiah E. Burke High SchoolD-
High · Grades 9–12 · 0.3 mi

District: Boston School District

Neighborhood · ZIP 02121These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.28,076
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22,114 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,811
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,928
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

20 Rosseter 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.

  • Worth more than 79% of homes in Dorchester 02121
  • Costs less per square foot than 96% of homes in Suffolk County
  • Smaller than 76% of homes in Dorchester 02121
  • Has a bigger lot than 84% of homes in Dorchester
  • Newer than 67% of homes in Dorchester 02121

What homes are worth in Dorchester 02121

Each bar is how many homes fall in that price range. The marker is this home.

This home
$244K$980K

This home is worth more than 79% of homes in Dorchester 02121.

How it measures up in Dorchester 02121

The dot is this home. The mark in the middle is the typical home in Dorchester 02121.

Estimated value$676,229
CheaperTypical $543,683Pricier

Pricier than 79% of homes nearby

Price per ft²$325
CheaperTypical $372Pricier

Pricier than 35% of homes nearby

Living area2,079 ft²
SmallerTypical 3,262 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.13 ac
SmallerTypical 4,269 ft²Bigger

Bigger than 78% of homes nearby

Year built1910
OlderTypical 1905Newer

Newer than 67% of homes nearby

How 20 Rosseter St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02121Suffolk County
Estimated valuepricier than$676,22956% of homes79% of homes44% of homes
Price per ft²pricier than$32511% of homes35% of homes4% of homes
Living areabigger than2,079 ft²44% of homes24% of homes68% of homes
Lot sizebigger than0.13 ac84% of homes78% of homes81% of homes
Year builtnewer than191058% of homes67% of homes45% of homes

About 20 Rosseter St

How much is 20 Rosseter St, Dorchester, MA worth?

The TopHap Estimate for 20 Rosseter St, Dorchester, MA is $676,229 as of Jul 14, 2026. The likely range is $606,807 to $745,651. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Rosseter St, Dorchester, MA last sell?

20 Rosseter St, Dorchester, MA last sold on Feb 13, 2026 for $674,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 20 Rosseter St, Dorchester, MA?

20 Rosseter St, Dorchester, MA has 5 bedrooms, 2.5 bathrooms, 2,079 square feet of living space and a 0.13-acre lot.

When was 20 Rosseter St, Dorchester, MA built?

20 Rosseter St, Dorchester, MA was built in 1910, making it 116 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Rosseter St, Dorchester, MA?

20 Rosseter St, Dorchester, MA is assigned to Up Academy Holland (elementary), rated C; Lilla G. Frederick Middle School (middle), rated D+; Jeremiah E. Burke High School (high), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Rosseter St, Dorchester, MA compare to other homes in Dorchester 02121?

Among the 2,911 homes in Dorchester 02121, it is worth more than 79% of them ($676,229 against a typical $543,683), its price per square foot is higher than 35% of them ($325 against a typical $372), it is bigger than 24% of them (2,079 ft² against a typical 3,262 ft²), its lot is bigger than 78% of them (0.13 ac against a typical 4,269 ft²) and it is newer than 67% of them (1910 against a typical 1905). Measured against all of Suffolk County, it is worth more than 44% 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 20 Rosseter St, Dorchester, MA?

The 2025 property tax bill for 20 Rosseter St, Dorchester, MA was $5,989. The county assessed it at $517,200.

More homes on Rosseter St

Closest homes

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Assigned schools

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