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Single Family ResidenceResidential
$603,921$484 / 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 95How 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 $350,000 on Apr 12, 2013

20 GENE ST

DORCHESTER, MA 02125
3
Beds
2.5
Baths
1,248 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.
3,000 ft²
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.
2
StoriesHow many floors the home has above ground.
8
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

$604K
$573K low$635K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,000 · Apr 12, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,961 (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.$514,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$182,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$332,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$608,190

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.0.07
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(5)

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
Roger Clap Elementary SchoolD-
Elementary · Grades PK–5 · 0.4 mi
M
Martin Luther Jr. King K-8 SchoolF
Middle · Grades PK–8 · 0.8 mi
H
Henry Dearborn STEM AcademyF
High · Grades 6–12 · 0.9 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 Gene 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 66% of homes in Suffolk County
  • Costs less per square foot than 72% of homes in Suffolk County
  • Smaller than 78% of homes in Dorchester
  • Has a smaller lot than 66% of homes in Dorchester
  • 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 51% of 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$603,921
CheaperTypical $602,698Pricier

Pricier than 51% of homes nearby

Price per ft²$484
CheaperTypical $492Pricier

Pricier than 47% of homes nearby

Living area1,248 ft²
SmallerTypical 2,058 ft²Bigger

Bigger than 29% of homes nearby

Lot size3,000 ft²
SmallerTypical 2,875 ft²Bigger

Bigger than 51% of homes nearby

Year built1920
OlderTypical 1905Newer

Newer than 75% of homes nearby

How 20 Gene St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02125Suffolk County
Estimated valuepricier than$603,92148% of homes51% of homes34% of homes
Price per ft²pricier than$48459% of homes47% of homes28% of homes
Living areabigger than1,248 ft²22% of homes29% of homes41% of homes
Lot sizebigger than3,000 ft²34% of homes51% of homes53% of homes
Year builtnewer than192069% of homes75% of homes55% of homes

About 20 Gene St

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

The TopHap Estimate for 20 Gene St, Dorchester, MA is $603,921 as of Sep 24, 2026. The likely range is $572,533 to $635,309. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

20 Gene St, Dorchester, MA last sold on Apr 12, 2013 for $350,000, according to the county's recorded deed.

How big is 20 Gene St, Dorchester, MA?

20 Gene St, Dorchester, MA has 3 bedrooms, 2.5 bathrooms, 1,248 square feet of living space and a 0.07-acre lot.

When was 20 Gene St, Dorchester, MA built?

20 Gene St, Dorchester, MA was built in 1920, making it 106 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Gene St, Dorchester, MA?

20 Gene St, Dorchester, MA is assigned to Roger Clap Elementary School (elementary), rated D-; Martin Luther Jr. King K-8 School (middle), rated F; Henry Dearborn STEM 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 Gene St, Dorchester, MA compare to other homes in Dorchester 02125?

Among the 5,736 homes in Dorchester 02125, it is worth more than 51% of them ($603,921 against a typical $602,698), its price per square foot is higher than 47% of them ($484 against a typical $492), it is bigger than 29% of them (1,248 ft² against a typical 2,058 ft²), its lot is bigger than 51% of them (3,000 ft² against a typical 2,875 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 34% 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 Gene St, Dorchester, MA?

The 2025 property tax bill for 20 Gene St, Dorchester, MA was $5,961. The county assessed it at $514,800.

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