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CondominiumResidential
$1,550,000$1,088 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

12 CONCORD SQ

BOSTON, MA 02118
Building report
2
Beds
2
Baths
1,425 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.
1,425 ft²
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.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.6M
$1.3M low$1.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,930 (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.$1,030,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,030,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,605,120

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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.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.1982
Lot (acres)The size of the land the home sits on, from county records.0.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Electric
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
Joseph J. Hurley K-8 SchoolB-
Elementary · Grades PK–8 · 0.1 mi
H
Carter Developmental Center
High · Grades 6–12 · 0.3 mi

District: Boston School District

Neighborhood · ZIP 02118These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
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.29,733
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.26,785 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,217
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,291
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 Concord Sq 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 90% of homes in Suffolk County
  • Costs more per square foot than 82% of homes in Suffolk County
  • Bigger than 70% of homes in Boston 02118
  • Has a bigger lot than 71% of homes in South End
  • Older than 87% of homes in Suffolk County

What homes are worth in Boston 02118

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

This home
$437K$4.7M

This home is worth more than 76% of homes in Boston 02118.

How it measures up in Boston 02118

The dot is this home. The mark in the middle is the typical home in Boston 02118.

Estimated value$1,550,000
CheaperTypical $996,007Pricier

Pricier than 76% of homes nearby

Price per ft²$1088
CheaperTypical $1100Pricier

Pricier than 48% of homes nearby

Living area1,425 ft²
SmallerTypical 1,024 ft²Bigger

Bigger than 70% of homes nearby

Lot size1,425 ft²
SmallerTypical 1,045 ft²Bigger

Bigger than 69% of homes nearby

Year built1890
OlderTypical 1900Newer

Newer than 22% of homes nearby

How 12 Concord Sq ranks against every home in each area.
MeasureThis homeSouth EndBoston 02118Suffolk County
Estimated valuepricier than$1,550,00072% of homes76% of homes90% of homes
Price per ft²pricier than$108835% of homes48% of homes82% of homes
Living areabigger than1,425 ft²68% of homes70% of homes48% of homes
Lot sizebigger than1,425 ft²71% of homes69% of homes37% of homes
Year builtnewer than189029% of homes22% of homes13% of homes

About 12 Concord Sq

How much is 12 Concord Sq, Boston, MA worth?

The TopHap Estimate for 12 Concord Sq, Boston, MA is $1,550,000 as of Aug 30, 2026. The likely range is $1,321,530 to $1,778,470. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Concord Sq, Boston, MA last sell?

12 Concord Sq, Boston, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12 Concord Sq, Boston, MA?

12 Concord Sq, Boston, MA has 2 bedrooms, 2 bathrooms, 1,425 square feet of living space and a 0.03-acre lot.

When was 12 Concord Sq, Boston, MA built?

12 Concord Sq, Boston, MA was built in 1890, making it 136 years old. The building has 2 stories.

What schools serve 12 Concord Sq, Boston, MA?

12 Concord Sq, Boston, MA is assigned to Joseph J. Hurley K-8 School (elementary), rated B-; Carter Developmental Center (high). All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Concord Sq, Boston, MA compare to other homes in Boston 02118?

Among the 6,232 homes in Boston 02118, it is worth more than 76% of them ($1,550,000 against a typical $996,007), its price per square foot is higher than 48% of them ($1088 against a typical $1100), it is bigger than 70% of them (1,425 ft² against a typical 1,024 ft²), its lot is bigger than 69% of them (1,425 ft² against a typical 1,045 ft²) and it is newer than 22% of them (1890 against a typical 1900). Measured against all of Suffolk County, it is worth more than 90% 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 Concord Sq, Boston, MA?

The 2025 property tax bill for 12 Concord Sq, Boston, MA was $11,930. The county assessed it at $1,030,200.

More homes on Concord Sq

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