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Residential - Vacant LandResidential
$492,756$446 / 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

20 6TH AVE

NORTH CHELMSFORD, MA 01863
3
Beds
2
Baths
1,104 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$493K
$428K low$557K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$62 (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.$4,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$647,212

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.11
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Charles D HarringtonB
Elementary · Grades KG–4 · 1.0 mi
M
Col Moses Parker SchoolA-
Middle · Grades 5–6 · 1.1 mi
H
Chelmsford High SchoolA-
High · Grades 9–12 · 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

20 6th Ave 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 86% of homes in Middlesex County
  • Costs more per square foot than 79% of homes in North Chelmsford 01863
  • Smaller than 84% of homes in Middlesex County
  • Has a smaller lot than 97% of homes in North Chelmsford 01863
  • Newer 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$934K

This home is worth more than 42% 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$492,756
CheaperTypical $540,301Pricier

Pricier than 42% of homes nearby

Price per ft²$446
CheaperTypical $388Pricier

Pricier than 79% of homes nearby

Living area1,104 ft²
SmallerTypical 1,281 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.11 ac
SmallerTypical 0.97 acBigger

Bigger than 3% of homes nearby

Year built2000
OlderTypical 1972Newer

Newer than 91% of homes nearby

How 20 6th Ave ranks against every home in each area.
MeasureThis homeNorth Chelmsford 01863Middlesex County
Estimated valuepricier than$492,75642% of homes14% of homes
Price per ft²pricier than$44679% of homes47% of homes
Living areabigger than1,104 ft²21% of homes16% of homes
Lot sizebigger than0.11 ac3% of homes14% of homes
Year builtnewer than200091% of homes89% of homes

About 20 6th Ave

How much is 20 6th Ave, North Chelmsford, MA worth?

The TopHap Estimate for 20 6th Ave, North Chelmsford, MA is $492,756 as of Sep 24, 2026. The likely range is $428,204 to $557,308. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 6th Ave, North Chelmsford, MA last sell?

20 6th Ave, North Chelmsford, MA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 6th Ave, North Chelmsford, MA?

20 6th Ave, North Chelmsford, MA has 3 bedrooms, 2 bathrooms, 1,104 square feet of living space and a 0.11-acre lot.

When was 20 6th Ave, North Chelmsford, MA built?

20 6th Ave, North Chelmsford, MA was built in 2000, making it 26 years old. It is a ranch home. The building has 1 story.

What schools serve 20 6th Ave, North Chelmsford, MA?

20 6th Ave, North Chelmsford, MA is assigned to Charles D Harrington (elementary), rated B; Col Moses Parker School (middle), rated A-; Chelmsford High School (high), rated A-. All sit in Chelmsford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 6th Ave, North Chelmsford, MA compare to other homes in North Chelmsford 01863?

Among the 3,347 homes in North Chelmsford 01863, it is worth more than 42% of them ($492,756 against a typical $540,301), its price per square foot is higher than 79% of them ($446 against a typical $388), it is bigger than 21% of them (1,104 ft² against a typical 1,281 ft²), its lot is bigger than 3% of them (0.11 ac against a typical 0.97 ac) and it is newer than 91% of them (2000 against a typical 1972). Measured against all of Middlesex County, it is worth more than 14% 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 20 6th Ave, North Chelmsford, MA?

The 2026 property tax bill for 20 6th Ave, North Chelmsford, MA was $62. The county assessed it at $4,700.

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