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Single Family ResidenceResidential
$863,963$486 / 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 94How 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 $712,500 on Aug 26, 2019

40 SPARKILL ST

WALTHAM, MA 02452
3
Beds
2
Baths
1,779 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$864K
$814K low$914K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$712,500 · Aug 26, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,063 (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.$821,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$410,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$410,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$939,075

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.13
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.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

Transaction History(12)

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
Northeast Elementary SchoolC+
Elementary · Grades KG–5 · 1.1 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.3 mi
M
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 1.5 mi

District: Waltham School District

Neighborhood · ZIP 02452These 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.93
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 100.77

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.95%
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.10.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.17,230
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,328 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,986
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

40 Sparkill 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 91% of homes in Waltham 02452
  • Older than 71% of homes in Waltham 02452

What homes are worth in Waltham 02452

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

This home
$360K$1.8M

This home is worth more than 55% of homes in Waltham 02452.

How it measures up in Waltham 02452

The dot is this home. The mark in the middle is the typical home in Waltham 02452.

Estimated value$863,963
CheaperTypical $838,310Pricier

Pricier than 55% of homes nearby

Price per ft²$486
CheaperTypical $468Pricier

Pricier than 55% of homes nearby

Living area1,779 ft²
SmallerTypical 1,910 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.13 ac
SmallerTypical 0.35 acBigger

Bigger than 9% of homes nearby

Year built1955
OlderTypical 1977Newer

Newer than 29% of homes nearby

How 40 Sparkill St ranks against every home in each area.
MeasureThis homeWaltham 02452Middlesex County
Estimated valuepricier than$863,96355% of homes59% of homes
Price per ft²pricier than$48655% of homes56% of homes
Living areabigger than1,779 ft²45% of homes48% of homes
Lot sizebigger than0.13 ac9% of homes19% of homes
Year builtnewer than195529% of homes47% of homes

About 40 Sparkill St

How much is 40 Sparkill St, Waltham, MA worth?

The TopHap Estimate for 40 Sparkill St, Waltham, MA is $863,963 as of Aug 30, 2026. The likely range is $814,273 to $913,653. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 40 Sparkill St, Waltham, MA last sell?

40 Sparkill St, Waltham, MA last sold on Aug 26, 2019 for $712,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 40 Sparkill St, Waltham, MA?

40 Sparkill St, Waltham, MA has 3 bedrooms, 2 bathrooms, 1,779 square feet of living space and a 0.13-acre lot.

When was 40 Sparkill St, Waltham, MA built?

40 Sparkill St, Waltham, MA was built in 1955, making it 71 years old. It is a cape cod home. The building has 2 stories.

What schools serve 40 Sparkill St, Waltham, MA?

40 Sparkill St, Waltham, MA is assigned to Northeast 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 40 Sparkill St, Waltham, MA compare to other homes in Waltham 02452?

Among the 3,442 homes in Waltham 02452, it is worth more than 55% of them ($863,963 against a typical $838,310), its price per square foot is higher than 55% of them ($486 against a typical $468), it is bigger than 45% of them (1,779 ft² against a typical 1,910 ft²), its lot is bigger than 9% of them (0.13 ac against a typical 0.35 ac) and it is newer than 29% of them (1955 against a typical 1977). Measured against all of Middlesex County, it is worth more than 59% 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 40 Sparkill St, Waltham, MA?

The 2025 property tax bill for 40 Sparkill St, Waltham, MA was $8,063. The county assessed it at $821,100.

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