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Residential Income (General/Multi-Family)Residential

20 BOLTON ST

WALTHAM, MA 02453
0
Baths
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,419 (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.$857,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$353,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$503,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$978,595

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential Income (General/Multi-Family)
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.12
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Henry Whittemore Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.8 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

20 Bolton 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.

  • Has a smaller lot than 85% of homes in Middlesex County

How it measures up in Waltham 02453

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

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 18% of homes nearby

How 20 Bolton St ranks against every home in each area.
MeasureThis homeSouthsideWaltham 02453Middlesex County
Lot sizebigger than0.11 ac26% of homes18% of homes15% of homes

About 20 Bolton St

When did 20 Bolton St, Waltham, MA last sell?

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

What schools serve 20 Bolton St, Waltham, MA?

20 Bolton St, 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.

What are the property taxes on 20 Bolton St, Waltham, MA?

The 2025 property tax bill for 20 Bolton St, Waltham, MA was $8,419. The county assessed it at $857,300.

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