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CondominiumResidential
$438,403$687 / 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 97How 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

31 MONMOUTH ST # 4

EAST BOSTON, MA 02128
Building report
1
Beds
1
Baths
638 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.
1880
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$438K
$427K low$450K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,990 (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.$430,900 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$430,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$430,900

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.35
1
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.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
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.

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.2020
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

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

E
Hugh Roe O'Donnell Elementary SchoolD-
Elementary · Grades PK–5 · 0.1 mi
M
Mario Umana AcademyF
Middle · Grades KG–8 · 0.2 mi
H
East Boston High SchoolD-
High · Grades 9–12 · 0.2 mi

District: Boston School District

Neighborhood · ZIP 02128These 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.106
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 100.80

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.42,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,432
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,916
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

31 Monmouth St # 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 less than 89% of homes in Suffolk County
  • Costs more per square foot than 70% of homes in East Boston 02128
  • Smaller than 94% of homes in East Boston 02128
  • Older than 95% of homes in East Boston 02128

What homes are worth in East Boston 02128

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

This home
$327K$1.1M

This home is worth more than 12% of homes in East Boston 02128.

How it measures up in East Boston 02128

The dot is this home. The mark in the middle is the typical home in East Boston 02128.

Estimated value$438,403
CheaperTypical $625,054Pricier

Pricier than 12% of homes nearby

Price per ft²$687
CheaperTypical $615Pricier

Pricier than 70% of homes nearby

Living area638 ft²
SmallerTypical 1,519 ft²Bigger

Bigger than 6% of homes nearby

Year built1880
OlderTypical 1910Newer

Newer than 5% of homes nearby

How 31 Monmouth St # 4 ranks against every home in each area.
MeasureThis homeEast Boston 02128Suffolk County
Estimated valuepricier than$438,40312% of homes11% of homes
Price per ft²pricier than$68770% of homes57% of homes
Living areabigger than638 ft²6% of homes9% of homes
Year builtnewer than18805% of homes6% of homes

About 31 Monmouth St # 4

How much is 31 Monmouth St # 4, East Boston, MA worth?

The TopHap Estimate for 31 Monmouth St # 4, East Boston, MA is $438,403 as of Sep 24, 2026. The likely range is $426,914 to $449,892. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 31 Monmouth St # 4, East Boston, MA?

31 Monmouth St # 4, East Boston, MA has 1 bedrooms, 1 bathrooms and 638 square feet of living space.

When was 31 Monmouth St # 4, East Boston, MA built?

31 Monmouth St # 4, East Boston, MA was built in 1880, making it 146 years old. The building has 1 story.

What schools serve 31 Monmouth St # 4, East Boston, MA?

31 Monmouth St # 4, East Boston, MA is assigned to Hugh Roe O'Donnell Elementary School (elementary), rated D-; Mario Umana Academy (middle), rated F; East Boston High School (high), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Monmouth St # 4, East Boston, MA compare to other homes in East Boston 02128?

Among the 7,864 homes in East Boston 02128, it is worth more than 12% of them ($438,403 against a typical $625,054), its price per square foot is higher than 70% of them ($687 against a typical $615), it is bigger than 6% of them (638 ft² against a typical 1,519 ft²) and it is newer than 5% of them (1880 against a typical 1910). Measured against all of Suffolk County, it is worth more than 11% 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 31 Monmouth St # 4, East Boston, MA?

The 2025 property tax bill for 31 Monmouth St # 4, East Boston, MA was $4,990. The county assessed it at $430,900.

More homes on Monmouth St # 4

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Assigned schools

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