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CondominiumResidential
$470,200$641 / 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 Aug 30, 2026

948 MAIN ST

WALTHAM, MA 02451
Building report
1
Beds
1
Baths
733 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.
1.41 ac
Lot SizeThe size of the land the home sits on, from county records.
2016
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.

Valuation

$470K
$434K low$507K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,952 (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.$402,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$402,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,530

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.47
57
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 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.Steel Frame
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

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

E
William F. Stanley Elementary SchoolB-
Elementary · Grades KG–5 · 0.6 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.9 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.6 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

948 Main 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 96% of homes in Waltham 02451
  • Costs more per square foot than 92% of homes in Waltham 02451
  • Smaller than 97% of homes in Waltham 02451
  • Has a bigger lot than 98% of homes in Bank Square
  • Newer than 97% of homes in Bank Square

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$1.4M

This home is worth more than 4% 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$470,200
CheaperTypical $789,832Pricier

Pricier than 4% of homes nearby

Price per ft²$641
CheaperTypical $473Pricier

Pricier than 92% of homes nearby

Living area733 ft²
SmallerTypical 1,778 ft²Bigger

Bigger than 3% of homes nearby

Lot size1.41 ac
SmallerTypical 0.18 acBigger

Bigger than 96% of homes nearby

Year built2016
OlderTypical 1957Newer

Newer than 97% of homes nearby

How 948 Main St ranks against every home in each area.
MeasureThis homeBank SquareWaltham 02451Middlesex County
Estimated valuepricier than$470,20014% of homes4% of homes12% of homes
Price per ft²pricier than$64190% of homes92% of homes81% of homes
Living areabigger than733 ft²7% of homes3% of homes4% of homes
Lot sizebigger than1.41 ac98% of homes96% of homes85% of homes
Year builtnewer than201697% of homes97% of homes97% of homes

About 948 Main St

How much is 948 Main St, Waltham, MA worth?

The TopHap Estimate for 948 Main St, Waltham, MA is $470,200 as of Aug 30, 2026. The likely range is $433,598 to $506,802. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 948 Main St, Waltham, MA last sell?

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

How big is 948 Main St, Waltham, MA?

948 Main St, Waltham, MA has 1 bedrooms, 1 bathrooms and 733 square feet of living space.

When was 948 Main St, Waltham, MA built?

948 Main St, Waltham, MA was built in 2016, making it 10 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 948 Main St, Waltham, MA?

948 Main St, Waltham, MA is assigned to William F. Stanley Elementary School (elementary), rated B-; John W. McDevitt Middle School (middle), rated B; Waltham Sr High School (high), rated C. All sit in Waltham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 948 Main St, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than 4% of them ($470,200 against a typical $789,832), its price per square foot is higher than 92% of them ($641 against a typical $473), it is bigger than 3% of them (733 ft² against a typical 1,778 ft²), its lot is bigger than 96% of them (1.41 ac against a typical 0.18 ac) and it is newer than 97% of them (2016 against a typical 1957). Measured against all of Middlesex County, it is worth more than 12% 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 948 Main St, Waltham, MA?

The 2025 property tax bill for 948 Main St, Waltham, MA was $3,952. The county assessed it at $402,400.

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