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Mixed Use (Commercial/Industrial)Commercial
Last sold for $305,534,049 on Dec 22, 2023

100 BEAVER ST

WALTHAM, MA 02453
5
Beds
6 / 6
Baths
82,662 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.
3.72 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,534,049 · Dec 22, 2023

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$39,999,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,867,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,131,300

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.38 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mixed Use (Commercial/Industrial)
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.3.72
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

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
James Fitzgerald Elementary SchoolB-
Elementary · Grades KG–5 · 0.1 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 1.3 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.4 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

100 Beaver 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 largest homes in Warrendale
  • Has a bigger lot than 98% of homes in Waltham 02453
  • Newer than 93% of homes in Warrendale

How it measures up in Waltham 02453

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

Living area82,662 ft²
SmallerTypical 1,858 ft²Bigger

Bigger than almost all homes nearby

Lot size3.72 ac
SmallerTypical 0.15 acBigger

Bigger than 98% of homes nearby

Year built1986
OlderTypical 1930Newer

Newer than 86% of homes nearby

How 100 Beaver St ranks against every home in each area.
MeasureThis homeWarrendaleWaltham 02453Middlesex County
Living areabigger than82,662 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than3.72 ac91% of homes98% of homes93% of homes
Year builtnewer than198693% of homes86% of homes78% of homes

About 100 Beaver St

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

100 Beaver St, Waltham, MA last sold on Dec 22, 2023 for $305,534,049, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Beaver St, Waltham, MA?

100 Beaver St, Waltham, MA has 5 bedrooms, 6 bathrooms, 82,662 square feet of living space and a 3.72-acre lot.

When was 100 Beaver St, Waltham, MA built?

100 Beaver St, Waltham, MA was built in 1986, making it 40 years old. The building has 3 stories.

What schools serve 100 Beaver St, Waltham, MA?

100 Beaver St, Waltham, MA is assigned to James Fitzgerald 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 100 Beaver St, Waltham, MA compare to other homes in Waltham 02453?

Among the 6,296 homes in Waltham 02453, it is bigger than almost all of them (82,662 ft² against a typical 1,858 ft²), its lot is bigger than 98% of them (3.72 ac against a typical 0.15 ac) and it is newer than 86% of them (1986 against a typical 1930). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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