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Single Family ResidenceResidential
$676,102$258 / 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 91How 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 $275,000 on Aug 30, 2018

18 GLEASON ST

DORCHESTER, MA 02121
6
Beds
2
Baths
2,622 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1885
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$676K
$613K low$739K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Aug 30, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,383 (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.$551,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$350,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$574,940

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
Lot (acres)The size of the land the home sits on, from county records.0.15
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(4)

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
Sarah Greenwood K-8 SchoolF
Elementary · Grades PK–8 · 0.1 mi
H
Up Academy DorchesterD-
High · Grades PK–12 · 0.6 mi

District: UP Academy Charter School of Dorchester

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%

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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 Gleason 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 82% of homes in Dorchester 02121
  • Among the lowest price per square foot in Suffolk County
  • Bigger than 79% of homes in Suffolk County
  • Has a bigger lot than 90% of homes in Dorchester
  • Older than 98% 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
$240K$962K

This home is worth more than 82% 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$676,102
CheaperTypical $505,044Pricier

Pricier than 82% of homes nearby

Price per ft²$258
CheaperTypical $349Pricier

Pricier than 16% of homes nearby

Living area2,622 ft²
SmallerTypical 3,256 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.15 ac
SmallerTypical 4,269 ft²Bigger

Bigger than 85% of homes nearby

Year built1885
OlderTypical 1905Newer

Newer than 2% of homes nearby

How 18 Gleason St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02121Suffolk County
Estimated valuepricier than$676,10261% of homes82% of homes46% of homes
Price per ft²pricier than$2584% of homes16% of homesalmost no homes
Living areabigger than2,622 ft²57% of homes35% of homes79% of homes
Lot sizebigger than0.15 ac90% of homes85% of homes87% of homes
Year builtnewer than18855% of homes2% of homes6% of homes

About 18 Gleason St

How much is 18 Gleason St, Dorchester, MA worth?

The TopHap Estimate for 18 Gleason St, Dorchester, MA is $676,102 as of Oct 21, 2026. The likely range is $613,046 to $739,158. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Gleason St, Dorchester, MA last sell?

18 Gleason St, Dorchester, MA last sold on Aug 30, 2018 for $275,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Gleason St, Dorchester, MA?

18 Gleason St, Dorchester, MA has 6 bedrooms, 2 bathrooms, 2,622 square feet of living space and a 0.15-acre lot.

When was 18 Gleason St, Dorchester, MA built?

18 Gleason St, Dorchester, MA was built in 1885, making it 141 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Gleason St, Dorchester, MA?

18 Gleason St, Dorchester, MA is assigned to Sarah Greenwood K-8 School (elementary), rated F; Up Academy Dorchester (high), rated D-. All sit in UP Academy Charter School of Dorchester. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Gleason St, Dorchester, MA compare to other homes in Dorchester 02121?

Among the 2,911 homes in Dorchester 02121, it is worth more than 82% of them ($676,102 against a typical $505,044), its price per square foot is higher than 16% of them ($258 against a typical $349), it is bigger than 35% of them (2,622 ft² against a typical 3,256 ft²), its lot is bigger than 85% of them (0.15 ac against a typical 4,269 ft²) and it is newer than 2% of them (1885 against a typical 1905). Measured against all of Suffolk County, it is worth more than 46% 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 Gleason St, Dorchester, MA?

The 2025 property tax bill for 18 Gleason St, Dorchester, MA was $6,383. The county assessed it at $551,200.

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