Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$289,514$555 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $335,000 on May 31, 2022

31 MONADNOCK ST

DORCHESTER, MA 02125
Building report
1
Beds
1
Baths
522 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.
0.12 ac
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.
3
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

$290K
$278K low$301K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$335,000 · May 31, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,704 (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.$319,900 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$319,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$271,510

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.2021
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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.

E
Edward Everett Elementary SchoolC
Elementary · Grades PK–5 · 0.5 mi
M
Martin Luther Jr. King K-8 SchoolC-
Middle · Grades PK–8 · 0.5 mi
H
Boston Latin AcadenyB+
High · Grades 7–12 · 0.8 mi

District: Boston School District

Neighborhood · ZIP 02125These 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.128
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.34,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,979 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,287
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,595
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%

Owner Tools

Do you own this home?
Claim this home

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 Monadnock 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.

  • Among the least valuable homes in Dorchester 02125
  • Costs more per square foot than 82% of homes in Dorchester
  • Among the smallest homes in Dorchester
  • Has a bigger lot than 84% of homes in Dorchester 02125
  • Older than 90% of homes in Dorchester

What homes are worth in Dorchester 02125

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

This home
$333K$1.2M

This home is worth less than almost all homes in Dorchester 02125.

How it measures up in Dorchester 02125

The dot is this home. The mark in the middle is the typical home in Dorchester 02125.

Estimated value$289,514
CheaperTypical $598,260Pricier

Cheaper than almost all homes nearby

Price per ft²$555
CheaperTypical $493Pricier

Pricier than 70% of homes nearby

Living area522 ft²
SmallerTypical 2,078 ft²Bigger

Smaller than almost all homes nearby

Lot size0.12 ac
SmallerTypical 2,919 ft²Bigger

Bigger than 84% of homes nearby

Year built1890
OlderTypical 1905Newer

Newer than 12% of homes nearby

How 31 Monadnock St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02125Suffolk County
Estimated valuepricier than$289,5142% of homesalmost no homesalmost no homes
Price per ft²pricier than$55582% of homes70% of homes42% of homes
Living areabigger than522 ft²almost no homesalmost no homes4% of homes
Lot sizebigger than0.12 ac77% of homes84% of homes76% of homes
Year builtnewer than189010% of homes12% of homes13% of homes

About 31 Monadnock St

How much is 31 Monadnock St, Dorchester, MA worth?

The TopHap Estimate for 31 Monadnock St, Dorchester, MA is $289,514 as of Aug 30, 2026. The likely range is $277,775 to $301,253. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Monadnock St, Dorchester, MA last sell?

31 Monadnock St, Dorchester, MA last sold on May 31, 2022 for $335,000, according to the county's recorded deed.

How big is 31 Monadnock St, Dorchester, MA?

31 Monadnock St, Dorchester, MA has 1 bedrooms, 1 bathrooms and 522 square feet of living space.

When was 31 Monadnock St, Dorchester, MA built?

31 Monadnock St, Dorchester, MA was built in 1890, making it 136 years old. The building has 1 story.

What schools serve 31 Monadnock St, Dorchester, MA?

31 Monadnock St, Dorchester, MA is assigned to Edward Everett Elementary School (elementary), rated C; Martin Luther Jr. King K-8 School (middle), rated C-; Boston Latin Acadeny (high), rated B+. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Monadnock St, Dorchester, MA compare to other homes in Dorchester 02125?

Among the 5,736 homes in Dorchester 02125, it is worth more than almost none of them ($289,514 against a typical $598,260), its price per square foot is higher than 70% of them ($555 against a typical $493), it is bigger than almost none of them (522 ft² against a typical 2,078 ft²), its lot is bigger than 84% of them (0.12 ac against a typical 2,919 ft²) and it is newer than 12% of them (1890 against a typical 1905). Measured against all of Suffolk County, it is worth more than almost no 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 Monadnock St, Dorchester, MA?

The 2025 property tax bill for 31 Monadnock St, Dorchester, MA was $3,704. The county assessed it at $319,900.

More homes on Monadnock St

Closest homes

More homes in Dorchester 02125

Assigned schools

Explore the area

See this home in context

Open 31 Monadnock St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map