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Single Family ResidenceResidential
$1,214,605$510 / 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 $647,000 on Aug 24, 2021

12 SEATTLE ST

ALLSTON, MA 02134
4
Beds
4.5
Baths
2,381 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.
4,292 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$647,000 · Aug 24, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,927 (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.$1,116,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$256,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$859,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$966,910

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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.2022
Lot (acres)The size of the land the home sits on, from county records.0.10
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(6)

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
Gardner Pilot AcademyC+
Elementary · Grades PK–8 · 0.5 mi
H
Boston Green AcademyD-
High · Grades 6–12 · 1.3 mi

District: Boston School District

Neighborhood · ZIP 02134These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
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.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
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.23,966
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17,004 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,041
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,297
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

12 Seattle 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 98% of homes in Allston 02134
  • Costs less per square foot than 84% of homes in Allston 02134
  • Bigger than 75% of homes in Suffolk County
  • Has a bigger lot than 79% of homes in Allston 02134
  • Older than 76% of homes in Allston 02134

What homes are worth in Allston 02134

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

This home
$284K$1.2M

This home is worth more than 98% of homes in Allston 02134.

How it measures up in Allston 02134

The dot is this home. The mark in the middle is the typical home in Allston 02134.

Estimated value$1,214,605
CheaperTypical $545,760Pricier

Pricier than 98% of homes nearby

Price per ft²$510
CheaperTypical $622Pricier

Pricier than 16% of homes nearby

Living area2,381 ft²
SmallerTypical 1,190 ft²Bigger

Bigger than 72% of homes nearby

Lot size4,292 ft²
SmallerTypical 1,263 ft²Bigger

Bigger than 79% of homes nearby

Year built1900
OlderTypical 1920Newer

Newer than 24% of homes nearby

How 12 Seattle St ranks against every home in each area.
MeasureThis homeAllston 02134Suffolk County
Estimated valuepricier than$1,214,60598% of homes84% of homes
Price per ft²pricier than$51016% of homes33% of homes
Living areabigger than2,381 ft²72% of homes75% of homes
Lot sizebigger than4,292 ft²79% of homes68% of homes
Year builtnewer than190024% of homes31% of homes

About 12 Seattle St

How much is 12 Seattle St, Allston, MA worth?

The TopHap Estimate for 12 Seattle St, Allston, MA is $1,214,605 as of Sep 24, 2026. The likely range is $1,155,545 to $1,273,665. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Seattle St, Allston, MA last sell?

12 Seattle St, Allston, MA last sold on Aug 24, 2021 for $647,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 12 Seattle St, Allston, MA?

12 Seattle St, Allston, MA has 4 bedrooms, 4.5 bathrooms, 2,381 square feet of living space and a 0.10-acre lot.

When was 12 Seattle St, Allston, MA built?

12 Seattle St, Allston, MA was built in 1900, making it 126 years old. It is a colonial home. The building has 3 stories.

What schools serve 12 Seattle St, Allston, MA?

12 Seattle St, Allston, MA is assigned to Gardner Pilot Academy (elementary), rated C+; Boston Green Academy (high), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Seattle St, Allston, MA compare to other homes in Allston 02134?

Among the 3,516 homes in Allston 02134, it is worth more than 98% of them ($1,214,605 against a typical $545,760), its price per square foot is higher than 16% of them ($510 against a typical $622), it is bigger than 72% of them (2,381 ft² against a typical 1,190 ft²), its lot is bigger than 79% of them (4,292 ft² against a typical 1,263 ft²) and it is newer than 24% of them (1900 against a typical 1920). Measured against all of Suffolk County, it is worth more than 84% 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 12 Seattle St, Allston, MA?

The 2025 property tax bill for 12 Seattle St, Allston, MA was $12,927. The county assessed it at $1,116,300.

More homes on Seattle St

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