Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$798,000$389 / 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

42 DECKARD ST

DORCHESTER, MA 02121
Building report
3
Beds
1
Baths
2,049 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$798K
$717K low$879K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,712 (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.$493,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$493,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$746,890

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.2017
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Boston Latin AcadenyB
Middle · Grades 7–12 · 0.1 mi
E
William Monroe Trotter K-8 SchoolD-
Elementary · Grades PK–8 · 0.1 mi

District: Boston School District

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%

Owner Tools

Do you own this home?
Claim this home

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

42 Deckard 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 94% of homes in Dorchester 02121
  • Costs less per square foot than 88% of homes in Suffolk County
  • Smaller than 76% of homes in Dorchester 02121
  • Has a bigger lot than 75% of homes in Roxbury
  • Older than 92% 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
$235K$908K

This home is worth more than 94% 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$798,000
CheaperTypical $513,298Pricier

Pricier than 94% of homes nearby

Price per ft²$389
CheaperTypical $356Pricier

Pricier than 65% of homes nearby

Living area2,049 ft²
SmallerTypical 3,249 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.1 ac
SmallerTypical 4,269 ft²Bigger

Bigger than 56% of homes nearby

Year built1890
OlderTypical 1905Newer

Newer than 8% of homes nearby

How 42 Deckard St ranks against every home in each area.
MeasureThis homeRoxburyDorchester 02121Suffolk County
Estimated valuepricier than$798,00083% of homes94% of homes61% of homes
Price per ft²pricier than$38943% of homes65% of homes12% of homes
Living areabigger than2,049 ft²49% of homes24% of homes67% of homes
Lot sizebigger than0.1 ac75% of homes56% of homes70% of homes
Year builtnewer than189018% of homes8% of homes13% of homes

About 42 Deckard St

How much is 42 Deckard St, Dorchester, MA worth?

The TopHap Estimate for 42 Deckard St, Dorchester, MA is $798,000 as of Sep 24, 2026. The likely range is $717,382 to $878,618. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Deckard St, Dorchester, MA last sell?

42 Deckard St, Dorchester, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 42 Deckard St, Dorchester, MA?

42 Deckard St, Dorchester, MA has 3 bedrooms, 1 bathrooms and 2,049 square feet of living space.

When was 42 Deckard St, Dorchester, MA built?

42 Deckard St, Dorchester, MA was built in 1890, making it 136 years old. The building has 2 stories.

What schools serve 42 Deckard St, Dorchester, MA?

42 Deckard St, Dorchester, MA is assigned to Boston Latin Acadeny (middle), rated B; William Monroe Trotter K-8 School (elementary), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Deckard St, Dorchester, MA compare to other homes in Dorchester 02121?

Among the 2,911 homes in Dorchester 02121, it is worth more than 94% of them ($798,000 against a typical $513,298), its price per square foot is higher than 65% of them ($389 against a typical $356), it is bigger than 24% of them (2,049 ft² against a typical 3,249 ft²), its lot is bigger than 56% of them (0.1 ac against a typical 4,269 ft²) and it is newer than 8% of them (1890 against a typical 1905). Measured against all of Suffolk County, it is worth more than 61% 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 42 Deckard St, Dorchester, MA?

The 2025 property tax bill for 42 Deckard St, Dorchester, MA was $5,712. The county assessed it at $493,300.

More homes on Deckard St

Closest homes

More homes in Dorchester 02121

Assigned schools

Explore the area

See this home in context

Open 42 Deckard St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map