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CondominiumResidential
$538,780$466 / 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 96How 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
Last sold for $292,000 on Apr 18, 2008

18 MELLEN ST

DORCHESTER CENTER, MA 02124
Building report
3
Beds
1
Baths
1,156 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.
1,156 ft²
Lot SizeThe size of the land the home sits on, from county records.
1899
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$539K
$515K low$562K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$292,000 · Apr 18, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,039 (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.$607,900 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$607,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$529,150

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.2004
Lot (acres)The size of the land the home sits on, from county records.0.03
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Lee Academy SchoolD
Elementary · Grades PK–2 · 0.3 mi
M
Dr. William Henderson Upper SchoolD-
Middle · Grades 5–12 · 0.3 mi

District: Boston School District

Neighborhood · ZIP 02124These 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.83
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 100.73

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.50,753
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13,831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,467
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,139
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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 Mellen 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 76% of homes in Suffolk County
  • Costs less per square foot than 75% of homes in Suffolk County
  • Smaller than 85% of homes in Dorchester Center 02124
  • Has a smaller lot than 91% of homes in Dorchester Center 02124
  • Older than 87% of homes in Dorchester Center 02124

What homes are worth in Dorchester Center 02124

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

This home
$304K$1.2M

This home is worth more than 32% of homes in Dorchester Center 02124.

How it measures up in Dorchester Center 02124

The dot is this home. The mark in the middle is the typical home in Dorchester Center 02124.

Estimated value$538,780
CheaperTypical $627,578Pricier

Pricier than 32% of homes nearby

Price per ft²$466
CheaperTypical $427Pricier

Pricier than 63% of homes nearby

Living area1,156 ft²
SmallerTypical 2,348 ft²Bigger

Bigger than 15% of homes nearby

Lot size1,156 ft²
SmallerTypical 4,095 ft²Bigger

Bigger than 9% of homes nearby

Year built1899
OlderTypical 1910Newer

Newer than 13% of homes nearby

How 18 Mellen St ranks against every home in each area.
MeasureThis homeDorchesterDorchester Center 02124Suffolk County
Estimated valuepricier than$538,78034% of homes32% of homes24% of homes
Price per ft²pricier than$46653% of homes63% of homes25% of homes
Living areabigger than1,156 ft²19% of homes15% of homes36% of homes
Lot sizebigger than1,156 ft²13% of homes9% of homes30% of homes
Year builtnewer than189914% of homes13% of homes18% of homes

About 18 Mellen St

How much is 18 Mellen St, Dorchester Center, MA worth?

The TopHap Estimate for 18 Mellen St, Dorchester Center, MA is $538,780 as of Sep 24, 2026. The likely range is $515,156 to $562,404. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Mellen St, Dorchester Center, MA last sell?

18 Mellen St, Dorchester Center, MA last sold on Apr 18, 2008 for $292,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Mellen St, Dorchester Center, MA?

18 Mellen St, Dorchester Center, MA has 3 bedrooms, 1 bathrooms, 1,156 square feet of living space and a 0.03-acre lot.

When was 18 Mellen St, Dorchester Center, MA built?

18 Mellen St, Dorchester Center, MA was built in 1899, making it 127 years old. The building has 1 story.

What schools serve 18 Mellen St, Dorchester Center, MA?

18 Mellen St, Dorchester Center, MA is assigned to Lee Academy School (elementary), rated D; Dr. William Henderson Upper School (middle), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Mellen St, Dorchester Center, MA compare to other homes in Dorchester Center 02124?

Among the 8,902 homes in Dorchester Center 02124, it is worth more than 32% of them ($538,780 against a typical $627,578), its price per square foot is higher than 63% of them ($466 against a typical $427), it is bigger than 15% of them (1,156 ft² against a typical 2,348 ft²), its lot is bigger than 9% of them (1,156 ft² against a typical 4,095 ft²) and it is newer than 13% of them (1899 against a typical 1910). Measured against all of Suffolk County, it is worth more than 24% 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 Mellen St, Dorchester Center, MA?

The 2025 property tax bill for 18 Mellen St, Dorchester Center, MA was $7,039. The county assessed it at $607,900.

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