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CondominiumResidential
$1,044,971$697 / 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 95How 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 $729,000 on Jul 15, 2014

21 MECHANIC ST

NEWTON UPPER FALLS, MA 02464
3
Beds
2.5
Baths
1,500 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$992K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$729,000 · Jul 15, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,114 (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.$930,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$930,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,187,975

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Concrete
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(7)

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
Countryside Elementary SchoolA-
Elementary · Grades KG–5 · 0.8 mi
M
Charles E. Brown Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Newton South High SchoolA+
High · Grades 9–12 · 1.6 mi

District: Newton School District

Neighborhood · ZIP 02464These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.3,773
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,268 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,956
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$177,427
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

21 Mechanic 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 73% of homes in Middlesex County
  • Costs more per square foot than 86% of homes in Middlesex County
  • Smaller than 65% of homes in Middlesex County
  • Newer than 88% of homes in Newton Upper Falls 02464

What homes are worth in Newton Upper Falls 02464

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

This home
$476K$2.1M

This home is worth more than 60% of homes in Newton Upper Falls 02464.

How it measures up in Newton Upper Falls 02464

The dot is this home. The mark in the middle is the typical home in Newton Upper Falls 02464.

Estimated value$1,044,971
CheaperTypical $939,538Pricier

Pricier than 60% of homes nearby

Price per ft²$697
CheaperTypical $635Pricier

Pricier than 70% of homes nearby

Living area1,500 ft²
SmallerTypical 1,505 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.24 ac
SmallerTypical 0.25 acBigger

Bigger than 48% of homes nearby

Year built1996
OlderTypical 1941Newer

Newer than 88% of homes nearby

How 21 Mechanic St ranks against every home in each area.
MeasureThis homeNewton Upper Falls 02464Middlesex County
Estimated valuepricier than$1,044,97160% of homes73% of homes
Price per ft²pricier than$69770% of homes86% of homes
Living areabigger than1,500 ft²50% of homes35% of homes
Lot sizebigger than0.24 ac48% of homes42% of homes
Year builtnewer than199688% of homes86% of homes

About 21 Mechanic St

How much is 21 Mechanic St, Newton Upper Falls, MA worth?

The TopHap Estimate for 21 Mechanic St, Newton Upper Falls, MA is $1,044,971 as of Aug 30, 2026. The likely range is $991,557 to $1,098,385. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mechanic St, Newton Upper Falls, MA last sell?

21 Mechanic St, Newton Upper Falls, MA last sold on Jul 15, 2014 for $729,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Mechanic St, Newton Upper Falls, MA?

21 Mechanic St, Newton Upper Falls, MA has 3 bedrooms, 2.5 bathrooms, 1,500 square feet of living space and a 0.24-acre lot.

When was 21 Mechanic St, Newton Upper Falls, MA built?

21 Mechanic St, Newton Upper Falls, MA was built in 1996, making it 30 years old. The building has 2 stories.

What schools serve 21 Mechanic St, Newton Upper Falls, MA?

21 Mechanic St, Newton Upper Falls, MA is assigned to Countryside Elementary School (elementary), rated A-; Charles E. Brown Middle School (middle), rated A; Newton South High School (high), rated A+. All sit in Newton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mechanic St, Newton Upper Falls, MA compare to other homes in Newton Upper Falls 02464?

Among the 1,049 homes in Newton Upper Falls 02464, it is worth more than 60% of them ($1,044,971 against a typical $939,538), its price per square foot is higher than 70% of them ($697 against a typical $635), it is bigger than 50% of them (1,500 ft² against a typical 1,505 ft²), its lot is bigger than 48% of them (0.24 ac against a typical 0.25 ac) and it is newer than 88% of them (1996 against a typical 1941). Measured against all of Middlesex County, it is worth more than 73% 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 21 Mechanic St, Newton Upper Falls, MA?

The 2025 property tax bill for 21 Mechanic St, Newton Upper Falls, MA was $9,114. The county assessed it at $930,000.

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