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CondominiumResidential
$610,303$581 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $470,000 on Jul 1, 2021

79 SUMNER ST

DORCHESTER, MA 02125
Building report
3
Beds
1
Baths
1,050 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.
1,050 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.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$610K
$575K low$645K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$470,000 · Jul 1, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,958 (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.$514,500 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$514,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$574,560

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.02
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(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.

E
Edward Everett Elementary SchoolD+
Elementary · Grades PK–5 · 0.3 mi
M
Martin Luther Jr. King K-8 SchoolF
Middle · Grades PK–8 · 0.8 mi
H
Boston Community Leadership AcademyF
High · Grades 9–12 · 1.0 mi

District: Boston School District

Neighborhood · ZIP 02125These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.93%
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.24%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.34,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,979 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,287
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,595
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%

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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

79 Sumner 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 less than 65% of homes in Suffolk County
  • Costs more per square foot than 84% of homes in Dorchester
  • Smaller than 85% of homes in Dorchester
  • Has a smaller lot than 89% of homes in Dorchester
  • Newer than 75% of homes in Dorchester 02125

What homes are worth in Dorchester 02125

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

This home
$334K$1.3M

This home is worth more than 46% of homes in Dorchester 02125.

How it measures up in Dorchester 02125

The dot is this home. The mark in the middle is the typical home in Dorchester 02125.

Estimated value$610,303
CheaperTypical $623,542Pricier

Pricier than 46% of homes nearby

Price per ft²$581
CheaperTypical $521Pricier

Pricier than 71% of homes nearby

Living area1,050 ft²
SmallerTypical 2,086 ft²Bigger

Bigger than 18% of homes nearby

Lot size1,050 ft²
SmallerTypical 2,919 ft²Bigger

Bigger than 16% of homes nearby

Year built1920
OlderTypical 1905Newer

Newer than 75% of homes nearby

How 79 Sumner St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02125Suffolk County
Estimated valuepricier than$610,30348% of homes46% of homes35% of homes
Price per ft²pricier than$58184% of homes71% of homes45% of homes
Living areabigger than1,050 ft²15% of homes18% of homes30% of homes
Lot sizebigger than1,050 ft²11% of homes16% of homes26% of homes
Year builtnewer than192069% of homes75% of homes55% of homes

About 79 Sumner St

How much is 79 Sumner St, Dorchester, MA worth?

The TopHap Estimate for 79 Sumner St, Dorchester, MA is $610,303 as of Oct 21, 2026. The likely range is $575,409 to $645,197. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 79 Sumner St, Dorchester, MA last sell?

79 Sumner St, Dorchester, MA last sold on Jul 1, 2021 for $470,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 79 Sumner St, Dorchester, MA?

79 Sumner St, Dorchester, MA has 3 bedrooms, 1 bathrooms, 1,050 square feet of living space and a 0.02-acre lot.

When was 79 Sumner St, Dorchester, MA built?

79 Sumner St, Dorchester, MA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 79 Sumner St, Dorchester, MA?

79 Sumner St, Dorchester, MA is assigned to Edward Everett Elementary School (elementary), rated D+; Martin Luther Jr. King K-8 School (middle), rated F; Boston Community Leadership Academy (high), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 79 Sumner St, Dorchester, MA compare to other homes in Dorchester 02125?

Among the 5,736 homes in Dorchester 02125, it is worth more than 46% of them ($610,303 against a typical $623,542), its price per square foot is higher than 71% of them ($581 against a typical $521), it is bigger than 18% of them (1,050 ft² against a typical 2,086 ft²), its lot is bigger than 16% of them (1,050 ft² against a typical 2,919 ft²) and it is newer than 75% of them (1920 against a typical 1905). Measured against all of Suffolk County, it is worth more than 35% 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 79 Sumner St, Dorchester, MA?

The 2025 property tax bill for 79 Sumner St, Dorchester, MA was $5,958. The county assessed it at $514,500.

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