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Residential - Vacant LandResidential
$640,859
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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

12 WALTON ST

WALTHAM, MA 02451
0
Baths
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$641K
$583K low$699K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,415 (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.$347,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$347,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$331,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.None
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
Douglas MacArthur Elementary SchoolB-
Elementary · Grades KG–5 · 0.5 mi
M
John F. Kennedy Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
H
Waltham Sr High SchoolD+
High · Grades 9–12 · 1.0 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

12 Walton 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 81% of homes in Piety Corner
  • Has a smaller lot than 78% of homes in Middlesex County

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
$351K$1.4M

This home is worth more than 20% 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$640,859
CheaperTypical $785,074Pricier

Pricier than 20% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 35% of homes nearby

How 12 Walton St ranks against every home in each area.
MeasureThis homePiety CornerWaltham 02451Middlesex County
Estimated valuepricier than$640,85919% of homes20% of homes31% of homes
Lot sizebigger than0.14 ac29% of homes35% of homes22% of homes

About 12 Walton St

How much is 12 Walton St, Waltham, MA worth?

The TopHap Estimate for 12 Walton St, Waltham, MA is $640,859 as of Sep 24, 2026. The likely range is $582,801 to $698,917. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 12 Walton St, Waltham, MA?

12 Walton St, Waltham, MA is assigned to Douglas MacArthur Elementary School (elementary), rated B-; John F. Kennedy Middle School (middle), rated B; Waltham Sr High School (high), rated D+. All sit in Waltham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Walton St, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than 20% of them ($640,859 against a typical $785,074) and its lot is bigger than 35% of them (0.14 ac against a typical 0.18 ac). Measured against all of Middlesex County, it is worth more than 31% 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 12 Walton St, Waltham, MA?

The 2025 property tax bill for 12 Walton St, Waltham, MA was $3,415. The county assessed it at $347,800.

More homes on Walton St

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Assigned schools

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