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CondominiumResidential
$648,327$626 / 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 $430,000 on Jun 28, 2018

20 SEYMOUR ST

ROSLINDALE, MA 02131
Building report
2
Beds
1
Baths
1,035 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.
1,143 ft²
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$648K
$615K low$682K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$430,000 · Jun 28, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,344 (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.$547,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$547,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$577,600

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.2005
Lot (acres)The size of the land the home sits on, from county records.0.03
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.

M
Washington Irving Middle School
Middle · Grades 6–8 · 0.2 mi
E
John D. Philbrick Elementary SchoolB-
Elementary · Grades PK–5 · 0.4 mi
H
Another Course To CollegeF
High · Grades 9–12 · 1.1 mi

District: Boston School District

Neighborhood · ZIP 02131These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.29,422
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,044 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,779
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,833
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

20 Seymour 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 65% of homes in Roslindale 02131
  • Costs more per square foot than 87% of homes in Roslindale 02131
  • Smaller than 85% of homes in Roslindale 02131
  • Has a smaller lot than 88% of homes in Roslindale 02131
  • Older than 78% of homes in Roslindale 02131

What homes are worth in Roslindale 02131

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

This home
$331K$1.2M

This home is worth more than 35% of homes in Roslindale 02131.

How it measures up in Roslindale 02131

The dot is this home. The mark in the middle is the typical home in Roslindale 02131.

Estimated value$648,327
CheaperTypical $715,631Pricier

Pricier than 35% of homes nearby

Price per ft²$626
CheaperTypical $511Pricier

Pricier than 87% of homes nearby

Living area1,035 ft²
SmallerTypical 1,651 ft²Bigger

Bigger than 15% of homes nearby

Lot size1,143 ft²
SmallerTypical 0.11 acBigger

Bigger than 12% of homes nearby

Year built1905
OlderTypical 1920Newer

Newer than 22% of homes nearby

How 20 Seymour St ranks against every home in each area.
MeasureThis homeRoslindale 02131Suffolk County
Estimated valuepricier than$648,32735% of homes41% of homes
Price per ft²pricier than$62687% of homes50% of homes
Living areabigger than1,035 ft²15% of homes29% of homes
Lot sizebigger than1,143 ft²12% of homes30% of homes
Year builtnewer than190522% of homes37% of homes

About 20 Seymour St

How much is 20 Seymour St, Roslindale, MA worth?

The TopHap Estimate for 20 Seymour St, Roslindale, MA is $648,327 as of Sep 24, 2026. The likely range is $615,124 to $681,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Seymour St, Roslindale, MA last sell?

20 Seymour St, Roslindale, MA last sold on Jun 28, 2018 for $430,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 20 Seymour St, Roslindale, MA?

20 Seymour St, Roslindale, MA has 2 bedrooms, 1 bathrooms, 1,035 square feet of living space and a 0.03-acre lot.

When was 20 Seymour St, Roslindale, MA built?

20 Seymour St, Roslindale, MA was built in 1905, making it 121 years old. The building has 1 story.

What schools serve 20 Seymour St, Roslindale, MA?

20 Seymour St, Roslindale, MA is assigned to Washington Irving Middle School (middle); John D. Philbrick Elementary School (elementary), rated B-; Another Course To College (high), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Seymour St, Roslindale, MA compare to other homes in Roslindale 02131?

Among the 7,665 homes in Roslindale 02131, it is worth more than 35% of them ($648,327 against a typical $715,631), its price per square foot is higher than 87% of them ($626 against a typical $511), it is bigger than 15% of them (1,035 ft² against a typical 1,651 ft²), its lot is bigger than 12% of them (1,143 ft² against a typical 0.11 ac) and it is newer than 22% of them (1905 against a typical 1920). Measured against all of Suffolk County, it is worth more than 41% 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 Seymour St, Roslindale, MA?

The 2025 property tax bill for 20 Seymour St, Roslindale, MA was $6,344. The county assessed it at $547,800.

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