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CondominiumResidential
$4,426,304$2,087 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $3,525,000 on Oct 1, 2018

166 MARLBOROUGH ST

BOSTON, MA 02116
Building report
3
Beds
2.5
Baths
2,121 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.
2,787 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$4.4M
$4.2M low$4.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,525,000 · Oct 1, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$45,404 (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.$3,920,900 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,920,900

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.2014
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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(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
Snowden International School At CopleyD-
High · Grades 9–12 · 0.1 mi
E
William Mckinley SchoolF
Elementary · Grades KG–12 · 0.6 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

166 Marlborough 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.

  • Worth more than 98% of homes in Suffolk County
  • Among the highest price per square foot in Suffolk County
  • Bigger than 82% of homes in Boston 02116
  • Has a bigger lot than 94% of homes in Boston 02116
  • Older than 69% 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$8.5M

This home is worth more than 92% 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$4,426,304
CheaperTypical $1,331,454Pricier

Pricier than 92% of homes nearby

Price per ft²$2087
CheaperTypical $1343Pricier

Pricier than 92% of homes nearby

Living area2,121 ft²
SmallerTypical 1,075 ft²Bigger

Bigger than 82% of homes nearby

Lot size2,787 ft²
SmallerTypical 1,045 ft²Bigger

Bigger than 94% of homes nearby

Year built1900
OlderTypical 1899Newer

Newer than 61% of homes nearby

How 166 Marlborough St ranks against every home in each area.
MeasureThis homeBoston 02116Suffolk County
Estimated valuepricier than$4,426,30492% of homes98% of homes
Price per ft²pricier than$208792% of homesalmost all homes
Living areabigger than2,121 ft²82% of homes69% of homes
Lot sizebigger than2,787 ft²94% of homes51% of homes
Year builtnewer than190061% of homes31% of homes

About 166 Marlborough St

How much is 166 Marlborough St, Boston, MA worth?

The TopHap Estimate for 166 Marlborough St, Boston, MA is $4,426,304 as of Oct 21, 2026. The likely range is $4,218,905 to $4,633,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 166 Marlborough St, Boston, MA last sell?

166 Marlborough St, Boston, MA last sold on Oct 1, 2018 for $3,525,000, according to the county's recorded deed.

How big is 166 Marlborough St, Boston, MA?

166 Marlborough St, Boston, MA has 3 bedrooms, 2.5 bathrooms and 2,121 square feet of living space.

When was 166 Marlborough St, Boston, MA built?

166 Marlborough St, Boston, MA was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 166 Marlborough St, Boston, MA?

166 Marlborough St, Boston, MA is assigned to Snowden International School At Copley (high), rated D-; 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 166 Marlborough St, Boston, MA compare to other homes in Boston 02116?

Among the 7,520 homes in Boston 02116, it is worth more than 92% of them ($4,426,304 against a typical $1,331,454), its price per square foot is higher than 92% of them ($2087 against a typical $1343), it is bigger than 82% of them (2,121 ft² against a typical 1,075 ft²), its lot is bigger than 94% of them (2,787 ft² against a typical 1,045 ft²) and it is newer than 61% of them (1900 against a typical 1899). Measured against all of Suffolk County, it is worth more than 98% 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 166 Marlborough St, Boston, MA?

The 2025 property tax bill for 166 Marlborough St, Boston, MA was $45,404. The county assessed it at $3,920,900.

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