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CondominiumResidential
$907,582$491 / 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

18 PLAIN ST # 2

DORCHESTER, MA 02122
Building report
3
Beds
4 / 1
Baths
1,850 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.
2021
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$908K
$815K low$1000K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,613 (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.$830,100 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$830,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$830,100

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.39
16
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountySuffolk
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

Transaction History(1)

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
Thomas J. Kenny Elementary SchoolD-
Elementary · Grades PK–5 · 0.2 mi
M
Richard J. Murphy K-8 SchoolC
Middle · Grades PK–8 · 0.5 mi
H
Dr. William Henderson Upper SchoolD-
High · Grades 5–12 · 1.1 mi

District: Boston School District

Neighborhood · ZIP 02122These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
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.1.2%
PopulationHow many people live in this area.23,849
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,977 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,827
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,947
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

18 Plain St # 2 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 92% of homes in Dorchester 02122
  • Costs less per square foot than 70% of homes in Suffolk County
  • Among the newest homes in Dorchester

What homes are worth in Dorchester 02122

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

This home
$296K$1.1M

This home is worth more than 92% of homes in Dorchester 02122.

How it measures up in Dorchester 02122

The dot is this home. The mark in the middle is the typical home in Dorchester 02122.

Estimated value$907,582
CheaperTypical $615,752Pricier

Pricier than 92% of homes nearby

Price per ft²$491
CheaperTypical $482Pricier

Pricier than 54% of homes nearby

Living area1,850 ft²
SmallerTypical 1,922 ft²Bigger

Bigger than 48% of homes nearby

Year built2021
OlderTypical 1910Newer

Newer than almost all homes nearby

How 18 Plain St # 2 ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02122Suffolk County
Estimated valuepricier than$907,58291% of homes92% of homes72% of homes
Price per ft²pricier than$49161% of homes54% of homes30% of homes
Living areabigger than1,850 ft²39% of homes48% of homes63% of homes
Year builtnewer than2021almost all homesalmost all homesalmost all homes

About 18 Plain St # 2

How much is 18 Plain St # 2, Dorchester, MA worth?

The TopHap Estimate for 18 Plain St # 2, Dorchester, MA is $907,582 as of Sep 24, 2026. The likely range is $815,288 to $999,876. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 18 Plain St # 2, Dorchester, MA?

18 Plain St # 2, Dorchester, MA has 3 bedrooms, 4 bathrooms and 1,850 square feet of living space.

When was 18 Plain St # 2, Dorchester, MA built?

18 Plain St # 2, Dorchester, MA was built in 2021, making it 5 years old. The building has 3 stories.

What schools serve 18 Plain St # 2, Dorchester, MA?

18 Plain St # 2, Dorchester, MA is assigned to Thomas J. Kenny Elementary School (elementary), rated D-; Richard J. Murphy K-8 School (middle), rated C; Dr. William Henderson Upper School (high), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Plain St # 2, Dorchester, MA compare to other homes in Dorchester 02122?

Among the 4,918 homes in Dorchester 02122, it is worth more than 92% of them ($907,582 against a typical $615,752), its price per square foot is higher than 54% of them ($491 against a typical $482), it is bigger than 48% of them (1,850 ft² against a typical 1,922 ft²) and it is newer than almost all of them (2021 against a typical 1910). Measured against all of Suffolk County, it is worth more than 72% 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 18 Plain St # 2, Dorchester, MA?

The 2025 property tax bill for 18 Plain St # 2, Dorchester, MA was $9,613. The county assessed it at $830,100.

More homes on Plain St # 2

Closest homes

More homes in Dorchester 02122

Assigned schools

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