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Apartments (Generic)Residential
Last sold for $4,800,000 on Nov 20, 2018

21 CORTES ST

BOSTON, MA 02116
0
Baths
10,612 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.
2,176 ft²
Lot SizeThe size of the land the home sits on, from county records.
1899
Year BuiltThe year the home was originally built, according to county records.
5
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,800,000 · Nov 20, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$37,992 (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.$3,280,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,152,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,128,200

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.71%
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.Apartments (Generic)
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.0.05
ConstructionThe main material the home's frame and walls are built from.Brick
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

H
Boston Adult Technical Academy
High · Grades 9–12 · 0.1 mi
E
Josiah Quincy Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
M
William Mckinley SchoolD+
Middle · Grades KG–12 · 0.3 mi

District: Boston School District

Neighborhood · ZIP 02116These 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.135
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
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.1.2%
PopulationHow many people live in this area.22,268
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.35,007 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$141,138
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$216,025
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

21 Cortes 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 02116
  • Has a bigger lot than 95% of homes in Bay Village
  • Older than 82% of homes in Suffolk County

How it measures up in Boston 02116

The dot is this home. The mark in the middle is the typical home in Boston 02116.

Living area10,612 ft²
SmallerTypical 1,072 ft²Bigger

Bigger than almost all homes nearby

Lot size2,176 ft²
SmallerTypical 1,045 ft²Bigger

Bigger than 89% of homes nearby

Year built1899
OlderTypical 1899Newer

Newer than 51% of homes nearby

How 21 Cortes St ranks against every home in each area.
MeasureThis homeBay VillageBoston 02116Suffolk County
Living areabigger than10,612 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than2,176 ft²95% of homes89% of homes47% of homes
Year builtnewer than189956% of homes51% of homes18% of homes

About 21 Cortes St

When did 21 Cortes St, Boston, MA last sell?

21 Cortes St, Boston, MA last sold on Nov 20, 2018 for $4,800,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Cortes St, Boston, MA?

21 Cortes St, Boston, MA has 10,612 square feet of living space and a 0.05-acre lot.

When was 21 Cortes St, Boston, MA built?

21 Cortes St, Boston, MA was built in 1899, making it 127 years old. The building has 5 stories.

What schools serve 21 Cortes St, Boston, MA?

21 Cortes St, Boston, MA is assigned to Boston Adult Technical Academy (high); Josiah Quincy Elementary School (elementary), rated B; William Mckinley School (middle), rated D+. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Cortes St, Boston, MA compare to other homes in Boston 02116?

Among the 7,520 homes in Boston 02116, it is bigger than almost all of them (10,612 ft² against a typical 1,072 ft²), its lot is bigger than 89% of them (2,176 ft² against a typical 1,045 ft²) and it is newer than 51% of them (1899 against a typical 1899). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Cortes St, Boston, MA?

The 2025 property tax bill for 21 Cortes St, Boston, MA was $37,992. The county assessed it at $3,280,800.

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