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Single Family ResidenceResidential
$1,803,858$380 / 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

143 WORCESTER LN

WALTHAM, MA 02451
3
Beds
4 / 1
Baths
4,746 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$1.8M
$1.7M low$1.9M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,158 (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.$1,645,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,144,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,633,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Colonial
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.45
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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

Transaction History(1)

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
Thomas R Plympton Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi
M
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 0.9 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

143 Worcester Ln 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 Waltham 02451
  • Costs less per square foot than 83% of homes in Waltham 02451
  • Among the largest homes in Waltham 02451
  • Has a bigger lot than 85% of homes in Waltham 02451
  • Among the newest homes in The Lanes

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
$389K$1.5M

This home is worth more than almost all 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$1,803,858
CheaperTypical $789,454Pricier

Pricier than almost all homes nearby

Price per ft²$380
CheaperTypical $473Pricier

Pricier than 17% of homes nearby

Living area4,746 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than almost all homes nearby

Lot size0.45 ac
SmallerTypical 0.18 acBigger

Bigger than 85% of homes nearby

Year built2020
OlderTypical 1957Newer

Newer than almost all homes nearby

How 143 Worcester Ln ranks against every home in each area.
MeasureThis homeThe LanesWaltham 02451Middlesex County
Estimated valuepricier than$1,803,858almost all homesalmost all homes93% of homes
Price per ft²pricier than$38023% of homes17% of homes27% of homes
Living areabigger than4,746 ft²98% of homesalmost all homes98% of homes
Lot sizebigger than0.45 ac62% of homes85% of homes59% of homes
Year builtnewer than2020almost all homesalmost all homesalmost all homes

About 143 Worcester Ln

How much is 143 Worcester Ln, Waltham, MA worth?

The TopHap Estimate for 143 Worcester Ln, Waltham, MA is $1,803,858 as of Aug 30, 2026. The likely range is $1,699,216 to $1,908,500. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 143 Worcester Ln, Waltham, MA?

143 Worcester Ln, Waltham, MA has 3 bedrooms, 4 bathrooms, 4,746 square feet of living space and a 0.45-acre lot.

When was 143 Worcester Ln, Waltham, MA built?

143 Worcester Ln, Waltham, MA was built in 2020, making it 6 years old. It is a colonial home. The building has 2 stories.

What schools serve 143 Worcester Ln, Waltham, MA?

143 Worcester Ln, Waltham, MA is assigned to Thomas R Plympton Elementary School (elementary), rated C; John F. Kennedy Middle School (middle), rated A-; 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 143 Worcester Ln, Waltham, MA compare to other homes in Waltham 02451?

Among the 4,967 homes in Waltham 02451, it is worth more than almost all of them ($1,803,858 against a typical $789,454), its price per square foot is higher than 17% of them ($380 against a typical $473), it is bigger than almost all of them (4,746 ft² against a typical 1,776 ft²), its lot is bigger than 85% of them (0.45 ac against a typical 0.18 ac) and it is newer than almost all of them (2020 against a typical 1957). Measured against all of Middlesex County, it is worth more than 93% 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 143 Worcester Ln, Waltham, MA?

The 2025 property tax bill for 143 Worcester Ln, Waltham, MA was $16,158. The county assessed it at $1,645,400.

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