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Duplex (2 Units, Any Combination)Residential

47 MONUMENT AVE

CHARLESTOWN, MA 02129
4
Beds
4 / 2
Baths
3,072 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.
1,475 ft²
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,290 (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.$1,665,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$568,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,097,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,601,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
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.1994
Lot (acres)The size of the land the home sits on, from county records.0.03
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(16)

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.

E
Harvard / Kent Elementary SchoolC+
Elementary · Grades PK–5 · 0.2 mi
M
Warren / Prescott K-8 SchoolA-
Middle · Grades PK–8 · 0.3 mi
H
Charlestown High SchoolF
High · Grades 9–12 · 0.4 mi

District: Boston School District

Neighborhood · ZIP 02129These 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.89
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 100.73

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.18,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,594 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,177
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,903
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

47 Monument 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.

  • Bigger than 95% of homes in Charlestown 02129
  • Has a bigger lot than 73% of homes in Charlestown 02129
  • Older than 98% of homes in Suffolk County

How it measures up in Charlestown 02129

The dot is this home. The mark in the middle is the typical home in Charlestown 02129.

Living area3,072 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 95% of homes nearby

Lot size1,475 ft²
SmallerTypical 1,103 ft²Bigger

Bigger than 73% of homes nearby

Year built1860
OlderTypical 1899Newer

Newer than 10% of homes nearby

How 47 Monument Ave ranks against every home in each area.
MeasureThis homeCharlestown 02129Suffolk County
Living areabigger than3,072 ft²95% of homes86% of homes
Lot sizebigger than1,475 ft²73% of homes38% of homes
Year builtnewer than186010% of homes2% of homes

About 47 Monument Ave

How big is 47 Monument Ave, Charlestown, MA?

47 Monument Ave, Charlestown, MA has 4 bedrooms, 4 bathrooms, 3,072 square feet of living space and a 0.03-acre lot.

When was 47 Monument Ave, Charlestown, MA built?

47 Monument Ave, Charlestown, MA was built in 1860, making it 166 years old. The building has 3 stories.

What schools serve 47 Monument Ave, Charlestown, MA?

47 Monument Ave, Charlestown, MA is assigned to Harvard / Kent Elementary School (elementary), rated C+; Warren / Prescott K-8 School (middle), rated A-; Charlestown High School (high), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 47 Monument Ave, Charlestown, MA compare to other homes in Charlestown 02129?

Among the 5,261 homes in Charlestown 02129, it is bigger than 95% of them (3,072 ft² against a typical 1,200 ft²), its lot is bigger than 73% of them (1,475 ft² against a typical 1,103 ft²) and it is newer than 10% of them (1860 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 47 Monument Ave, Charlestown, MA?

The 2025 property tax bill for 47 Monument Ave, Charlestown, MA was $19,290. The county assessed it at $1,665,800.

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