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Single Family ResidenceResidential
$709,617$356 / 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 93How 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
Last sold for $158,900 on Nov 5, 1991

142 SCHOOL ST

CHELMSFORD, MA 01824
4
Beds
1.5
Baths
1,991 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.
0.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1876
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$710K
$661K low$758K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$158,900 · Nov 5, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,677 (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.$552,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$297,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$255,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$664,525

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.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.91
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
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(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
Col Moses Parker SchoolB
Middle · Grades 5–6 · 1.0 mi
H
Chelmsford High SchoolA
High · Grades 9–12 · 1.3 mi
E
Byam SchoolB+
Elementary · Grades KG–4 · 2.4 mi

District: Chelmsford School District

Neighborhood · ZIP 01824These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.9%
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.27,961
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,525 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$151,835
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

142 School 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.

  • Costs less per square foot than 79% of homes in Middlesex County
  • Bigger than 67% of homes in Chelmsford 01824
  • Has a bigger lot than 75% of homes in Middlesex County
  • Among the oldest homes in Chelmsford 01824

What homes are worth in Chelmsford 01824

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

This home
$318K$1.2M

This home is worth more than 55% of homes in Chelmsford 01824.

How it measures up in Chelmsford 01824

The dot is this home. The mark in the middle is the typical home in Chelmsford 01824.

Estimated value$709,617
CheaperTypical $689,408Pricier

Pricier than 55% of homes nearby

Price per ft²$356
CheaperTypical $402Pricier

Pricier than 28% of homes nearby

Living area1,991 ft²
SmallerTypical 1,661 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.91 ac
SmallerTypical 0.79 acBigger

Bigger than 53% of homes nearby

Year built1876
OlderTypical 1965Newer

Older than almost all homes nearby

How 142 School St ranks against every home in each area.
MeasureThis homeChelmsford 01824Middlesex County
Estimated valuepricier than$709,61755% of homes40% of homes
Price per ft²pricier than$35628% of homes21% of homes
Living areabigger than1,991 ft²67% of homes56% of homes
Lot sizebigger than0.91 ac53% of homes75% of homes
Year builtnewer than1876almost no homes3% of homes

About 142 School St

How much is 142 School St, Chelmsford, MA worth?

The TopHap Estimate for 142 School St, Chelmsford, MA is $709,617 as of Sep 24, 2026. The likely range is $661,232 to $758,002. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 142 School St, Chelmsford, MA last sell?

142 School St, Chelmsford, MA last sold on Nov 5, 1991 for $158,900, according to the county's recorded deed.

How big is 142 School St, Chelmsford, MA?

142 School St, Chelmsford, MA has 4 bedrooms, 1.5 bathrooms, 1,991 square feet of living space and a 0.91-acre lot.

When was 142 School St, Chelmsford, MA built?

142 School St, Chelmsford, MA was built in 1876, making it 150 years old. It is a conventional home. The building has 2 stories.

What schools serve 142 School St, Chelmsford, MA?

142 School St, Chelmsford, MA is assigned to Col Moses Parker School (middle), rated B; Chelmsford High School (high), rated A; Byam School (elementary), rated B+. All sit in Chelmsford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 142 School St, Chelmsford, MA compare to other homes in Chelmsford 01824?

Among the 8,861 homes in Chelmsford 01824, it is worth more than 55% of them ($709,617 against a typical $689,408), its price per square foot is higher than 28% of them ($356 against a typical $402), it is bigger than 67% of them (1,991 ft² against a typical 1,661 ft²), its lot is bigger than 53% of them (0.91 ac against a typical 0.79 ac) and it is newer than almost none of them (1876 against a typical 1965). Measured against all of Middlesex County, it is worth more than 40% 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 142 School St, Chelmsford, MA?

The 2025 property tax bill for 142 School St, Chelmsford, MA was $7,677. The county assessed it at $552,300.

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