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Single Family ResidenceResidential
$1,279,451$276 / 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 Sep 24, 2026

20 ROCKMERE ST

DORCHESTER, MA 02125
0
Baths
4,631 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.
0.16 ac
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.

Valuation

$1.3M
$1.1M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,758 (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.$1,533,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$367,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,166,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,533,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySuffolk
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.None

Transaction History(6)

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 · 0.5 mi
M
John W. Mccormack Middle School
Middle · Grades 6–8 · 0.6 mi
H
Boston Community Leadership AcademyF
High · Grades 9–12 · 0.6 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

20 Rockmere 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.

  • Among the most valuable homes in Dorchester
  • Costs less per square foot than 98% of homes in Suffolk County
  • Bigger than 97% of homes in Dorchester
  • Has a bigger lot than 94% of homes in Dorchester 02125
  • 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
$326K$1.2M

This home is worth more than almost all 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$1,279,451
CheaperTypical $601,642Pricier

Pricier than almost all homes nearby

Price per ft²$276
CheaperTypical $492Pricier

Pricier than 6% of homes nearby

Living area4,631 ft²
SmallerTypical 2,091 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.16 ac
SmallerTypical 2,919 ft²Bigger

Bigger than 94% of homes nearby

Year built1920
OlderTypical 1905Newer

Newer than 75% of homes nearby

How 20 Rockmere St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02125Suffolk County
Estimated valuepricier than$1,279,451almost all homesalmost all homes86% of homes
Price per ft²pricier than$2766% of homes6% of homes2% of homes
Living areabigger than4,631 ft²97% of homes97% of homes97% of homes
Lot sizebigger than0.16 ac92% of homes94% of homes90% of homes
Year builtnewer than192069% of homes75% of homes55% of homes

About 20 Rockmere St

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

The TopHap Estimate for 20 Rockmere St, Dorchester, MA is $1,279,451 as of Sep 24, 2026. The likely range is $1,149,435 to $1,409,467. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

20 Rockmere St, Dorchester, MA last sold on Jul 22, 2019, according to the county's recorded deed.

How big is 20 Rockmere St, Dorchester, MA?

20 Rockmere St, Dorchester, MA has 4,631 square feet of living space and a 0.16-acre lot.

When was 20 Rockmere St, Dorchester, MA built?

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

What schools serve 20 Rockmere St, Dorchester, MA?

20 Rockmere St, Dorchester, MA is assigned to Edward Everett Elementary School (elementary), rated D+; John W. Mccormack Middle School (middle); 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 20 Rockmere St, Dorchester, MA compare to other homes in Dorchester 02125?

Among the 5,736 homes in Dorchester 02125, it is worth more than almost all of them ($1,279,451 against a typical $601,642), its price per square foot is higher than 6% of them ($276 against a typical $492), it is bigger than 97% of them (4,631 ft² against a typical 2,091 ft²), its lot is bigger than 94% of them (0.16 ac 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 86% 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 Rockmere St, Dorchester, MA?

The 2025 property tax bill for 20 Rockmere St, Dorchester, MA was $17,758. The county assessed it at $1,533,500.

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