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Single Family ResidenceResidential
$831,183$319 / 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 Jul 14, 2026
Last sold for $217,000 on Aug 27, 1999

16 PLYMPTON CIR

WALTHAM, MA 02451
3
Beds
1
Baths
2,604 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$831K
$808K low$855K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$217,000 · Aug 27, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,645 (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.$676,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$419,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$257,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$828,780

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Ranch
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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(1)

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 · 1.3 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

16 Plympton Cir 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.

  • Costs less per square foot than 94% of homes in The Highlands
  • Bigger than 81% of homes in The Highlands
  • Has a bigger lot than 75% of homes in The Highlands
  • Newer than 73% of homes in The Highlands

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
$414K$1.5M

This home is worth more than 59% 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$831,183
CheaperTypical $784,513Pricier

Pricier than 59% of homes nearby

Price per ft²$319
CheaperTypical $463Pricier

Pricier than 6% of homes nearby

Living area2,604 ft²
SmallerTypical 1,778 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.2 ac
SmallerTypical 0.18 acBigger

Bigger than 56% of homes nearby

Year built1955
OlderTypical 1957Newer

Newer than 47% of homes nearby

How 16 Plympton Cir ranks against every home in each area.
MeasureThis homeThe HighlandsWaltham 02451Middlesex County
Estimated valuepricier than$831,18353% of homes59% of homes55% of homes
Price per ft²pricier than$3196% of homes6% of homes12% of homes
Living areabigger than2,604 ft²81% of homes81% of homes77% of homes
Lot sizebigger than0.2 ac75% of homes56% of homes35% of homes
Year builtnewer than195573% of homes47% of homes47% of homes

About 16 Plympton Cir

How much is 16 Plympton Cir, Waltham, MA worth?

The TopHap Estimate for 16 Plympton Cir, Waltham, MA is $831,183 as of Jul 14, 2026. The likely range is $807,514 to $854,852. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16 Plympton Cir, Waltham, MA last sell?

16 Plympton Cir, Waltham, MA last sold on Aug 27, 1999 for $217,000, according to the county's recorded deed.

How big is 16 Plympton Cir, Waltham, MA?

16 Plympton Cir, Waltham, MA has 3 bedrooms, 1 bathrooms, 2,604 square feet of living space and a 0.20-acre lot.

When was 16 Plympton Cir, Waltham, MA built?

16 Plympton Cir, Waltham, MA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 16 Plympton Cir, Waltham, MA?

16 Plympton Cir, 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 16 Plympton Cir, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than 59% of them ($831,183 against a typical $784,513), its price per square foot is higher than 6% of them ($319 against a typical $463), it is bigger than 81% of them (2,604 ft² against a typical 1,778 ft²), its lot is bigger than 56% of them (0.2 ac against a typical 0.18 ac) and it is newer than 47% of them (1955 against a typical 1957). Measured against all of Middlesex County, it is worth more than 55% 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 16 Plympton Cir, Waltham, MA?

The 2025 property tax bill for 16 Plympton Cir, Waltham, MA was $6,645. The county assessed it at $676,700.

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