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CondominiumResidential
$1,801,807$1,252 / 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 93How 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 $1,910,000 on Jun 5, 2024

11 ISABELLA ST UNIT 4

BOSTON, MA 02116
Building report
2
Beds
2
Baths
1,439 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.
1899
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.8M
$1.7M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,910,000 · Jun 5, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,132 (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.$1,911,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,911,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,911,200

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
80
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.33 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.2019
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(1)

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
Quincy Upper SchoolD
Middle · Grades 6–12 · 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

11 Isabella St Unit 4 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 93% of homes in Suffolk County
  • Costs more per square foot than 89% of homes in Suffolk County
  • Bigger than 66% of homes in Boston 02116
  • Older than 81% of homes in Suffolk County

What homes are worth in Boston 02116

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

This home
$492K$8.2M

This home is worth more than 65% of homes in Boston 02116.

How it measures up in Boston 02116

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

Estimated value$1,801,807
CheaperTypical $1,322,429Pricier

Pricier than 65% of homes nearby

Price per ft²$1252
CheaperTypical $1337Pricier

Pricier than 36% of homes nearby

Living area1,439 ft²
SmallerTypical 1,084 ft²Bigger

Bigger than 66% of homes nearby

Year built1899
OlderTypical 1899Newer

Newer than 51% of homes nearby

How 11 Isabella St Unit 4 ranks against every home in each area.
MeasureThis homeBay VillageBoston 02116Suffolk County
Estimated valuepricier than$1,801,80774% of homes65% of homes93% of homes
Price per ft²pricier than$125281% of homes36% of homes89% of homes
Living areabigger than1,439 ft²62% of homes66% of homes49% of homes
Year builtnewer than189956% of homes51% of homes19% of homes

About 11 Isabella St Unit 4

How much is 11 Isabella St Unit 4, Boston, MA worth?

The TopHap Estimate for 11 Isabella St Unit 4, Boston, MA is $1,801,807 as of Sep 24, 2026. The likely range is $1,668,040 to $1,935,574. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Isabella St Unit 4, Boston, MA last sell?

11 Isabella St Unit 4, Boston, MA last sold on Jun 5, 2024 for $1,910,000, according to the county's recorded deed.

How big is 11 Isabella St Unit 4, Boston, MA?

11 Isabella St Unit 4, Boston, MA has 2 bedrooms, 2 bathrooms and 1,439 square feet of living space.

When was 11 Isabella St Unit 4, Boston, MA built?

11 Isabella St Unit 4, Boston, MA was built in 1899, making it 127 years old. The building has 2 stories.

What schools serve 11 Isabella St Unit 4, Boston, MA?

11 Isabella St Unit 4, Boston, MA is assigned to Boston Adult Technical Academy (high); Josiah Quincy Elementary School (elementary), rated B; Quincy Upper School (middle), rated D. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Isabella St Unit 4, Boston, MA compare to other homes in Boston 02116?

Among the 7,520 homes in Boston 02116, it is worth more than 65% of them ($1,801,807 against a typical $1,322,429), its price per square foot is higher than 36% of them ($1252 against a typical $1337), it is bigger than 66% of them (1,439 ft² against a typical 1,084 ft²) and it is newer than 51% of them (1899 against a typical 1899). Measured against all of Suffolk County, it is worth more than 93% 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 11 Isabella St Unit 4, Boston, MA?

The 2025 property tax bill for 11 Isabella St Unit 4, Boston, MA was $22,132. The county assessed it at $1,911,200.

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