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CondominiumResidential
$320,620$564 / 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 93How 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 $277,000 on Sep 8, 2021

31 POND ST

WALTHAM, MA 02451
Building report
1
Beds
1
Baths
568 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.
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
3
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

$321K
$297K low$344K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$277,000 · Sep 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,947 (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.$300,100 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$300,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$313,405

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.35 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
ConstructionThe main material the home's frame and walls are built from.Concrete
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(5)

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
Thomas R Plympton Elementary SchoolC
Elementary · Grades KG–5 · 0.3 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.1 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

31 Pond 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 Waltham 02451
  • Costs more per square foot than 78% of homes in Waltham 02451
  • Among the smallest homes in Middlesex County
  • Has a bigger lot than 96% of homes in Bank Square
  • Newer than 78% 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
$376K$1.5M

This home is worth less than almost all 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$320,620
CheaperTypical $789,727Pricier

Cheaper than almost all homes nearby

Price per ft²$564
CheaperTypical $472Pricier

Pricier than 78% of homes nearby

Living area568 ft²
SmallerTypical 1,768 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.7 ac
SmallerTypical 0.18 acBigger

Bigger than 93% of homes nearby

Year built1981
OlderTypical 1957Newer

Newer than 78% of homes nearby

How 31 Pond St ranks against every home in each area.
MeasureThis homeBank SquareWaltham 02451Middlesex County
Estimated valuepricier than$320,6205% of homesalmost no homes4% of homes
Price per ft²pricier than$56469% of homes78% of homes71% of homes
Living areabigger than568 ft²4% of homes2% of homesalmost no homes
Lot sizebigger than0.7 ac96% of homes93% of homes72% of homes
Year builtnewer than198177% of homes78% of homes73% of homes

About 31 Pond St

How much is 31 Pond St, Waltham, MA worth?

The TopHap Estimate for 31 Pond St, Waltham, MA is $320,620 as of Aug 30, 2026. The likely range is $296,859 to $344,381. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Pond St, Waltham, MA last sell?

31 Pond St, Waltham, MA last sold on Sep 8, 2021 for $277,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 31 Pond St, Waltham, MA?

31 Pond St, Waltham, MA has 1 bedrooms, 1 bathrooms and 568 square feet of living space.

When was 31 Pond St, Waltham, MA built?

31 Pond St, Waltham, MA was built in 1981, making it 45 years old. It is a condo/apartment home. The building has 3 stories.

What schools serve 31 Pond St, Waltham, MA?

31 Pond 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 31 Pond St, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than almost none of them ($320,620 against a typical $789,727), its price per square foot is higher than 78% of them ($564 against a typical $472), it is bigger than 2% of them (568 ft² against a typical 1,768 ft²), its lot is bigger than 93% of them (0.7 ac against a typical 0.18 ac) and it is newer than 78% of them (1981 against a typical 1957). Measured against all of Middlesex County, it is worth more than 4% 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 Pond St, Waltham, MA?

The 2025 property tax bill for 31 Pond St, Waltham, MA was $2,947. The county assessed it at $300,100.

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