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Single Family ResidenceResidential
$1,574,003$329 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

446 MAIN ST

WALTHAM, MA 02452
5
Beds
3.5
Baths
4,786 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1899
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.6M
$1.5M low$1.6M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,574,003
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,259,202

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,621 (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.$1,081,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$377,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$704,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,295,990

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1978
Lot (acres)The size of the land the home sits on, from county records.0.21
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.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

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.

M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
E
James Fitzgerald Elementary SchoolB-
Elementary · Grades KG–5 · 1.0 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.2 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.17,229
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.$131,985
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

446 Main 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 most valuable homes in The Bleachery
  • Costs less per square foot than 95% of homes in Waltham 02452
  • Bigger than 98% of homes in Middlesex County
  • Has a bigger lot than 74% of homes in The Bleachery
  • Older than 98% 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
$374K$1.9M

This home is worth more than 94% 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$1,574,003
CheaperTypical $868,634Pricier

Pricier than 94% of homes nearby

Price per ft²$329
CheaperTypical $484Pricier

Pricier than 5% of homes nearby

Living area4,786 ft²
SmallerTypical 1,886 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.21 ac
SmallerTypical 0.34 acBigger

Bigger than 29% of homes nearby

Year built1899
OlderTypical 1977Newer

Newer than 2% of homes nearby

How 446 Main St ranks against every home in each area.
MeasureThis homeThe BleacheryWaltham 02452Middlesex County
Estimated valuepricier than$1,574,003almost all homes94% of homes89% of homes
Price per ft²pricier than$3297% of homes5% of homes14% of homes
Living areabigger than4,786 ft²97% of homes97% of homes98% of homes
Lot sizebigger than0.21 ac74% of homes29% of homes36% of homes
Year builtnewer than189911% of homes2% of homes9% of homes

About 446 Main St

How much is 446 Main St, Waltham, MA worth?

The TopHap Estimate for 446 Main St, Waltham, MA is $1,574,003 as of Jul 14, 2026. The likely range is $1,512,072 to $1,635,934. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 446 Main St, Waltham, MA last sell?

446 Main St, Waltham, MA last sold on Nov 10, 2016, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 446 Main St, Waltham, MA?

446 Main St, Waltham, MA has 5 bedrooms, 3.5 bathrooms, 4,786 square feet of living space and a 0.21-acre lot.

When was 446 Main St, Waltham, MA built?

446 Main St, Waltham, MA was built in 1899, making it 127 years old. The building has 3 stories.

What schools serve 446 Main St, Waltham, MA?

446 Main St, Waltham, MA is assigned to John W. McDevitt Middle School (middle), rated B; James Fitzgerald Elementary School (elementary), 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 446 Main St, Waltham, MA compare to other homes in Waltham 02452?

Among the 3,442 homes in Waltham 02452, it is worth more than 94% of them ($1,574,003 against a typical $868,634), its price per square foot is higher than 5% of them ($329 against a typical $484), it is bigger than 97% of them (4,786 ft² against a typical 1,886 ft²), its lot is bigger than 29% of them (0.21 ac against a typical 0.34 ac) and it is newer than 2% of them (1899 against a typical 1977). Measured against all of Middlesex County, it is worth more than 89% 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 446 Main St, Waltham, MA?

The 2025 property tax bill for 446 Main St, Waltham, MA was $10,621. The county assessed it at $1,081,600.

Closest homes

More homes in Waltham 02452

Assigned schools

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