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CondominiumResidential
$1,211,686$1,138 / 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 Sep 24, 2026
Last sold for $1,225,000 on Jul 29, 2025

349 COMMONWEALTH AVE

BOSTON, MA 02115
Building report
2
Beds
1
Baths
1,065 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.
1,065 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.
1
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

$1.2M
$1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,225,000 · Jul 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,663 (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.$1,007,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,007,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,154,155

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.33 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.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.2009
Lot (acres)The size of the land the home sits on, from county records.0.02
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Boston Arts AcademyC-
High · Grades 9–12 · 0.4 mi
M
Carter Developmental Center
Middle · Grades 6–12 · 0.7 mi
E
William Mckinley SchoolF
Elementary · Grades KG–12 · 0.8 mi

District: Boston School District

Neighborhood · ZIP 02115These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
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.0.8%
PopulationHow many people live in this area.32,960
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.43,192 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,808
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,096
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

349 Commonwealth Ave 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 85% of homes in Suffolk County
  • Costs more per square foot than 85% of homes in Suffolk County
  • Smaller than 69% of homes in Suffolk County
  • Has a smaller lot than 73% of homes in Suffolk County
  • Older than 87% of homes in Suffolk County

What homes are worth in Boston 02115

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

This home
$362K$9M

This home is worth more than 71% of homes in Boston 02115.

How it measures up in Boston 02115

The dot is this home. The mark in the middle is the typical home in Boston 02115.

Estimated value$1,211,686
CheaperTypical $865,827Pricier

Pricier than 71% of homes nearby

Price per ft²$1138
CheaperTypical $1166Pricier

Pricier than 46% of homes nearby

Living area1,065 ft²
SmallerTypical 866 ft²Bigger

Bigger than 63% of homes nearby

Lot size1,065 ft²
SmallerTypical 871 ft²Bigger

Bigger than 62% of homes nearby

Year built1890
OlderTypical 1900Newer

Newer than 28% of homes nearby

How 349 Commonwealth Ave ranks against every home in each area.
MeasureThis homeBack BayBoston 02115Suffolk County
Estimated valuepricier than$1,211,68649% of homes71% of homes85% of homes
Price per ft²pricier than$113819% of homes46% of homes85% of homes
Living areabigger than1,065 ft²52% of homes63% of homes31% of homes
Lot sizebigger than1,065 ft²53% of homes62% of homes27% of homes
Year builtnewer than189039% of homes28% of homes13% of homes

About 349 Commonwealth Ave

How much is 349 Commonwealth Ave, Boston, MA worth?

The TopHap Estimate for 349 Commonwealth Ave, Boston, MA is $1,211,686 as of Sep 24, 2026. The likely range is $1,030,333 to $1,393,039. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 349 Commonwealth Ave, Boston, MA last sell?

349 Commonwealth Ave, Boston, MA last sold on Jul 29, 2025 for $1,225,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 349 Commonwealth Ave, Boston, MA?

349 Commonwealth Ave, Boston, MA has 2 bedrooms, 1 bathrooms, 1,065 square feet of living space and a 0.02-acre lot.

When was 349 Commonwealth Ave, Boston, MA built?

349 Commonwealth Ave, Boston, MA was built in 1890, making it 136 years old. The building has 1 story.

What schools serve 349 Commonwealth Ave, Boston, MA?

349 Commonwealth Ave, Boston, MA is assigned to Boston Arts Academy (high), rated C-; Carter Developmental Center (middle); William Mckinley School (elementary), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 349 Commonwealth Ave, Boston, MA compare to other homes in Boston 02115?

Among the 3,497 homes in Boston 02115, it is worth more than 71% of them ($1,211,686 against a typical $865,827), its price per square foot is higher than 46% of them ($1138 against a typical $1166), it is bigger than 63% of them (1,065 ft² against a typical 866 ft²), its lot is bigger than 62% of them (1,065 ft² against a typical 871 ft²) and it is newer than 28% of them (1890 against a typical 1900). Measured against all of Suffolk County, it is worth more than 85% 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 349 Commonwealth Ave, Boston, MA?

The 2025 property tax bill for 349 Commonwealth Ave, Boston, MA was $11,663. The county assessed it at $1,007,200.

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