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Commercial Office/Residential (Mixed Use)Commercial

505 CONGRESS ST

BOSTON, MA 02210
0
Baths
341,500 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.
1.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
20
StoriesHow many floors the home has above ground.

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$125,879,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,727,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,151,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,386,500

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.42 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.81%
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.Commercial Office/Residential (Mixed Use)
CountySuffolk
Lot (acres)The size of the land the home sits on, from county records.1.18
ConstructionThe main material the home's frame and walls are built from.Steel Frame
HeatingThe type of heating system in the home.None
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.

E
James Condon K-8 SchoolD+
Elementary · Grades PK–8 · 0.9 mi
H
Excel High SchoolD
High · Grades 9–12 · 1.1 mi

District: Boston School District

Neighborhood · ZIP 02210These 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.172
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 100.76

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.5,452
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,835 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$181,383
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$244,618
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

505 Congress 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.

  • Among the largest homes in Boston 02210
  • Among the largest lots in Suffolk County
  • Newer than 92% of homes in Suffolk County

How it measures up in Boston 02210

The dot is this home. The mark in the middle is the typical home in Boston 02210.

Living area341,500 ft²
SmallerTypical 1,176 ft²Bigger

Bigger than almost all homes nearby

Lot size1.18 ac
SmallerTypical 1,568 ft²Bigger

Bigger than 92% of homes nearby

Year built2012
OlderTypical 2015Newer

Newer than 45% of homes nearby

How 505 Congress St ranks against every home in each area.
MeasureThis homeBoston 02210Suffolk County
Living areabigger than341,500 ft²almost all homesalmost all homes
Lot sizebigger than1.18 ac92% of homesalmost all homes
Year builtnewer than201245% of homes92% of homes

About 505 Congress St

How big is 505 Congress St, Boston, MA?

505 Congress St, Boston, MA has 341,500 square feet of living space and a 1.18-acre lot.

When was 505 Congress St, Boston, MA built?

505 Congress St, Boston, MA was built in 2012, making it 14 years old. The building has 20 stories.

What schools serve 505 Congress St, Boston, MA?

505 Congress St, Boston, MA is assigned to James Condon K-8 School (elementary), rated D+; Excel High School (high), rated D. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 505 Congress St, Boston, MA compare to other homes in Boston 02210?

Among the 1,728 homes in Boston 02210, it is bigger than almost all of them (341,500 ft² against a typical 1,176 ft²), its lot is bigger than 92% of them (1.18 ac against a typical 1,568 ft²) and it is newer than 45% of them (2012 against a typical 2015). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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