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Single Family ResidenceResidential
$701,495$482 / 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 92How 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

77 PLYMPTON ST

WALTHAM, MA 02451
3
Beds
1
Baths
1,456 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.
0.14 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.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$701K
$649K low$754K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,132 (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.$624,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$389,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$235,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$694,070

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

E
Thomas R Plympton Elementary SchoolC
Elementary · Grades KG–5 · 0.1 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.2 mi
M
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 1.2 mi

District: Waltham School District

Neighborhood · ZIP 02451These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.16,966
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,036 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,384
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,140
Average tempThe average temperature here across a full year.49°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%

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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

77 Plympton 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 82% of homes in The Highlands
  • Costs more per square foot than 67% of homes in The Highlands
  • Smaller than 79% of homes in The Highlands
  • Has a smaller lot than 78% of homes in Middlesex County
  • Older than 85% of homes in Waltham 02451

What homes are worth in Waltham 02451

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

This home
$355K$1.5M

This home is worth more than 32% of homes in Waltham 02451.

How it measures up in Waltham 02451

The dot is this home. The mark in the middle is the typical home in Waltham 02451.

Estimated value$701,495
CheaperTypical $786,951Pricier

Pricier than 32% of homes nearby

Price per ft²$482
CheaperTypical $467Pricier

Pricier than 56% of homes nearby

Living area1,456 ft²
SmallerTypical 1,792 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 37% of homes nearby

Year built1910
OlderTypical 1957Newer

Newer than 15% of homes nearby

How 77 Plympton St ranks against every home in each area.
MeasureThis homeThe HighlandsWaltham 02451Middlesex County
Estimated valuepricier than$701,49518% of homes32% of homes39% of homes
Price per ft²pricier than$48267% of homes56% of homes55% of homes
Living areabigger than1,456 ft²21% of homes34% of homes33% of homes
Lot sizebigger than0.14 ac38% of homes37% of homes22% of homes
Year builtnewer than191028% of homes15% of homes20% of homes

About 77 Plympton St

How much is 77 Plympton St, Waltham, MA worth?

The TopHap Estimate for 77 Plympton St, Waltham, MA is $701,495 as of Sep 24, 2026. The likely range is $648,793 to $754,197. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 77 Plympton St, Waltham, MA last sell?

77 Plympton St, Waltham, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 77 Plympton St, Waltham, MA?

77 Plympton St, Waltham, MA has 3 bedrooms, 1 bathrooms, 1,456 square feet of living space and a 0.14-acre lot.

When was 77 Plympton St, Waltham, MA built?

77 Plympton St, Waltham, MA was built in 1910, making it 116 years old. The building has 2 stories.

What schools serve 77 Plympton St, Waltham, MA?

77 Plympton St, Waltham, MA is assigned to Thomas R Plympton Elementary School (elementary), rated C; Waltham Sr High School (high), rated C; John F. Kennedy Middle School (middle), rated A-. All sit in Waltham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 77 Plympton St, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than 32% of them ($701,495 against a typical $786,951), its price per square foot is higher than 56% of them ($482 against a typical $467), it is bigger than 34% of them (1,456 ft² against a typical 1,792 ft²), its lot is bigger than 37% of them (0.14 ac against a typical 0.18 ac) and it is newer than 15% of them (1910 against a typical 1957). Measured against all of Middlesex County, it is worth more than 39% 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 77 Plympton St, Waltham, MA?

The 2025 property tax bill for 77 Plympton St, Waltham, MA was $6,132. The county assessed it at $624,400.

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