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Single Family ResidenceResidential
$614,677$313 / 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 87How 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

51 WASHINGTON ST

NORTH CHELMSFORD, MA 01863
4
Beds
1.5
Baths
1,964 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Valuation

$615K
$536K low$694K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,464 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$562,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$269,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$495,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$796,100

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.0.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Charles D HarringtonB
Elementary · Grades KG–4 · 0.9 mi
H
Chelmsford High SchoolA-
High · Grades 9–12 · 1.1 mi
M
Col Moses Parker SchoolA-
Middle · Grades 5–6 · 1.2 mi

District: Chelmsford School District

Neighborhood · ZIP 01863These 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.76
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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.9,286
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,948 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,908
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,787
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

51 Washington 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 less than 73% of homes in Middlesex County
  • Costs less per square foot than 92% of homes in North Chelmsford 01863
  • Bigger than 81% of homes in North Chelmsford 01863
  • Has a smaller lot than 89% of homes in North Chelmsford 01863
  • Older than 91% of homes in North Chelmsford 01863

What homes are worth in North Chelmsford 01863

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

This home
$245K$939K

This home is worth more than 66% of homes in North Chelmsford 01863.

How it measures up in North Chelmsford 01863

The dot is this home. The mark in the middle is the typical home in North Chelmsford 01863.

Estimated value$614,677
CheaperTypical $540,548Pricier

Pricier than 66% of homes nearby

Price per ft²$313
CheaperTypical $388Pricier

Pricier than 8% of homes nearby

Living area1,964 ft²
SmallerTypical 1,284 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.18 ac
SmallerTypical 0.97 acBigger

Bigger than 11% of homes nearby

Year built1900
OlderTypical 1973Newer

Newer than 9% of homes nearby

How 51 Washington St ranks against every home in each area.
MeasureThis homeNorth Chelmsford 01863Middlesex County
Estimated valuepricier than$614,67766% of homes27% of homes
Price per ft²pricier than$3138% of homes12% of homes
Living areabigger than1,964 ft²81% of homes55% of homes
Lot sizebigger than0.18 ac11% of homes32% of homes
Year builtnewer than19009% of homes15% of homes

About 51 Washington St

How much is 51 Washington St, North Chelmsford, MA worth?

The TopHap Estimate for 51 Washington St, North Chelmsford, MA is $614,677 as of Sep 24, 2026. The likely range is $535,524 to $693,830. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Washington St, North Chelmsford, MA last sell?

51 Washington St, North Chelmsford, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 51 Washington St, North Chelmsford, MA?

51 Washington St, North Chelmsford, MA has 4 bedrooms, 1.5 bathrooms, 1,964 square feet of living space and a 0.18-acre lot.

When was 51 Washington St, North Chelmsford, MA built?

51 Washington St, North Chelmsford, MA was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 51 Washington St, North Chelmsford, MA?

51 Washington St, North Chelmsford, MA is assigned to Charles D Harrington (elementary), rated B; Chelmsford High School (high), rated A-; Col Moses Parker School (middle), rated A-. All sit in Chelmsford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Washington St, North Chelmsford, MA compare to other homes in North Chelmsford 01863?

Among the 3,345 homes in North Chelmsford 01863, it is worth more than 66% of them ($614,677 against a typical $540,548), its price per square foot is higher than 8% of them ($313 against a typical $388), it is bigger than 81% of them (1,964 ft² against a typical 1,284 ft²), its lot is bigger than 11% of them (0.18 ac against a typical 0.97 ac) and it is newer than 9% of them (1900 against a typical 1973). Measured against all of Middlesex County, it is worth more than 27% 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 51 Washington St, North Chelmsford, MA?

The 2026 property tax bill for 51 Washington St, North Chelmsford, MA was $7,464. The county assessed it at $562,500.

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