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CondominiumResidential
$823,446$399 / 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 78How 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

66 CALVARY ST # 1

WALTHAM, MA 02453
Building report
4
Beds
3
Baths
2,065 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.
1892
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$823K
$641K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,693 (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.$681,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$681,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$670,700

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.38
10
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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyMiddlesex
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2022
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam

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

E
Henry Whittemore Elementary SchoolB
Elementary · Grades KG–5 · 0.3 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.9 mi

District: Waltham School District

Neighborhood · ZIP 02453These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.94%
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.6.8%
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.32,080
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,464 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,981
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,606
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

66 Calvary St # 1 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 more than 67% of homes in Southside
  • Costs less per square foot than 85% of homes in Southside
  • Older than 92% of homes in Middlesex County

What homes are worth in Waltham 02453

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

This home
$376K$1.3M

This home is worth more than 59% of homes in Waltham 02453.

How it measures up in Waltham 02453

The dot is this home. The mark in the middle is the typical home in Waltham 02453.

Estimated value$823,446
CheaperTypical $780,110Pricier

Pricier than 59% of homes nearby

Price per ft²$399
CheaperTypical $493Pricier

Pricier than 18% of homes nearby

Living area2,065 ft²
SmallerTypical 1,867 ft²Bigger

Bigger than 58% of homes nearby

Year built1892
OlderTypical 1930Newer

Newer than 10% of homes nearby

How 66 Calvary St # 1 ranks against every home in each area.
MeasureThis homeSouthsideWaltham 02453Middlesex County
Estimated valuepricier than$823,44667% of homes59% of homes55% of homes
Price per ft²pricier than$39915% of homes18% of homes33% of homes
Living areabigger than2,065 ft²52% of homes58% of homes59% of homes
Year builtnewer than189216% of homes10% of homes8% of homes

About 66 Calvary St # 1

How much is 66 Calvary St # 1, Waltham, MA worth?

The TopHap Estimate for 66 Calvary St # 1, Waltham, MA is $823,446 as of Aug 30, 2026. The likely range is $640,862 to $1,006,030. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 66 Calvary St # 1, Waltham, MA?

66 Calvary St # 1, Waltham, MA has 4 bedrooms, 3 bathrooms and 2,065 square feet of living space.

When was 66 Calvary St # 1, Waltham, MA built?

66 Calvary St # 1, Waltham, MA was built in 1892, making it 134 years old. The building has 2 stories.

What schools serve 66 Calvary St # 1, Waltham, MA?

66 Calvary St # 1, Waltham, MA is assigned to Henry Whittemore 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 66 Calvary St # 1, Waltham, MA compare to other homes in Waltham 02453?

Among the 6,296 homes in Waltham 02453, it is worth more than 59% of them ($823,446 against a typical $780,110), its price per square foot is higher than 18% of them ($399 against a typical $493), it is bigger than 58% of them (2,065 ft² against a typical 1,867 ft²) and it is newer than 10% of them (1892 against a typical 1930). 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 66 Calvary St # 1, Waltham, MA?

The 2025 property tax bill for 66 Calvary St # 1, Waltham, MA was $6,693. The county assessed it at $681,600.

More homes on Calvary St # 1

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Assigned schools

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