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CondominiumResidential
$787,525$492 / 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 90How 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 $630,900 on Aug 10, 2018

100 HOWARD ST

WALTHAM, MA 02451
Building report
3
Beds
2.5
Baths
1,600 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.
2006
Year BuiltThe year the home was originally built, according to county records.
2
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

$788K
$710K low$865K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$630,900 · Aug 10, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,681 (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.$680,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$680,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$794,200

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.6 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
CountyMIDDLESEX
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.

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 · 0.2 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.3 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

100 Howard 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 more than 70% of homes in Bank Square
  • Has a smaller lot than 79% of homes in Middlesex County
  • Newer than 92% 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
$404K$1.5M

This home is worth more than 50% 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$787,525
CheaperTypical $790,026Pricier

Pricier than 50% of homes nearby

Price per ft²$492
CheaperTypical $472Pricier

Pricier than 58% of homes nearby

Living area1,600 ft²
SmallerTypical 1,778 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 35% of homes nearby

Year built2006
OlderTypical 1957Newer

Newer than 92% of homes nearby

How 100 Howard St ranks against every home in each area.
MeasureThis homeBank SquareWaltham 02451Middlesex County
Estimated valuepricier than$787,52570% of homes50% of homes51% of homes
Price per ft²pricier than$49247% of homes58% of homes57% of homes
Living areabigger than1,600 ft²40% of homes41% of homes40% of homes
Lot sizebigger than0.14 ac41% of homes35% of homes21% of homes
Year builtnewer than200692% of homes92% of homes92% of homes

About 100 Howard St

How much is 100 Howard St, Waltham, MA worth?

The TopHap Estimate for 100 Howard St, Waltham, MA is $787,525 as of Aug 30, 2026. The likely range is $710,187 to $864,863. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Howard St, Waltham, MA last sell?

100 Howard St, Waltham, MA last sold on Aug 10, 2018 for $630,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 100 Howard St, Waltham, MA?

100 Howard St, Waltham, MA has 3 bedrooms, 2.5 bathrooms and 1,600 square feet of living space.

When was 100 Howard St, Waltham, MA built?

100 Howard St, Waltham, MA was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 100 Howard St, Waltham, MA?

100 Howard 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 100 Howard St, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than 50% of them ($787,525 against a typical $790,026), its price per square foot is higher than 58% of them ($492 against a typical $472), it is bigger than 41% of them (1,600 ft² against a typical 1,778 ft²), its lot is bigger than 35% of them (0.14 ac against a typical 0.18 ac) and it is newer than 92% of them (2006 against a typical 1957). Measured against all of Middlesex County, it is worth more than 51% 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 100 Howard St, Waltham, MA?

The 2025 property tax bill for 100 Howard St, Waltham, MA was $6,681. The county assessed it at $680,300.

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