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Single Family ResidenceResidential
$661,645$575 / 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 Oct 21, 2026
Last sold for $640,000 on Aug 18, 2023

121 GASTON ST

MEDFORD, MA 02155
3
Beds
1
Baths
1,150 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$662K
$635K low$688K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$640,000 · Aug 18, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,376 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$622,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$352,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$270,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$596,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$658,247

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.10
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Roberts Elementary SchoolC
Elementary · Grades PK–5 · 1.1 mi
H
Medford High SchoolC
High · Grades 9–12 · 1.5 mi
M
Andrews Middle SchoolC+
Middle · Grades 6–8 · 1.8 mi

District: Medford School District

Neighborhood · ZIP 02155These 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.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.61,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,601
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,923
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

121 Gaston 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 less than 75% of homes in North Medford
  • Costs more per square foot than 76% of homes in North Medford
  • Smaller than 85% of homes in Medford 02155
  • Has a smaller lot than 88% of homes in Middlesex County
  • Older than 90% of homes in North Medford

What homes are worth in Medford 02155

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

This home
$405K$1.4M

This home is worth more than 27% of homes in Medford 02155.

How it measures up in Medford 02155

The dot is this home. The mark in the middle is the typical home in Medford 02155.

Estimated value$661,645
CheaperTypical $782,544Pricier

Pricier than 27% of homes nearby

Price per ft²$575
CheaperTypical $528Pricier

Pricier than 71% of homes nearby

Living area1,150 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.1 ac
SmallerTypical 0.12 acBigger

Bigger than 35% of homes nearby

Year built1910
OlderTypical 1920Newer

Newer than 36% of homes nearby

How 121 Gaston St ranks against every home in each area.
MeasureThis homeNorth MedfordMedford 02155Middlesex County
Estimated valuepricier than$661,64525% of homes27% of homes34% of homes
Price per ft²pricier than$57576% of homes71% of homes73% of homes
Living areabigger than1,150 ft²17% of homes15% of homes17% of homes
Lot sizebigger than0.1 ac34% of homes35% of homes12% of homes
Year builtnewer than191010% of homes36% of homes20% of homes

About 121 Gaston St

How much is 121 Gaston St, Medford, MA worth?

The TopHap Estimate for 121 Gaston St, Medford, MA is $661,645 as of Oct 21, 2026. The likely range is $635,354 to $687,936. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Gaston St, Medford, MA last sell?

121 Gaston St, Medford, MA last sold on Aug 18, 2023 for $640,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 121 Gaston St, Medford, MA?

121 Gaston St, Medford, MA has 3 bedrooms, 1 bathrooms, 1,150 square feet of living space and a 0.10-acre lot.

When was 121 Gaston St, Medford, MA built?

121 Gaston St, Medford, MA was built in 1910, making it 116 years old. It is a bungalow home. The building has 1 story.

What schools serve 121 Gaston St, Medford, MA?

121 Gaston St, Medford, MA is assigned to Roberts Elementary School (elementary), rated C; Medford High School (high), rated C; Andrews Middle School (middle), rated C+. All sit in Medford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Gaston St, Medford, MA compare to other homes in Medford 02155?

Among the 16,121 homes in Medford 02155, it is worth more than 27% of them ($661,645 against a typical $782,544), its price per square foot is higher than 71% of them ($575 against a typical $528), it is bigger than 15% of them (1,150 ft² against a typical 1,716 ft²), its lot is bigger than 35% of them (0.1 ac against a typical 0.12 ac) and it is newer than 36% of them (1910 against a typical 1920). Measured against all of Middlesex County, it is worth more than 34% 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 121 Gaston St, Medford, MA?

The 2026 property tax bill for 121 Gaston St, Medford, MA was $5,376. The county assessed it at $622,900.

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