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Single Family ResidenceResidential
$690,681$400 / 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 Sep 24, 2026
Last sold for $152,500 on Nov 18, 1985

7 KARL DR

NORTH BILLERICA, MA 01862
3
Beds
2
Baths
1,727 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.
1.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$691K
$650K low$731K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$152,500 · Nov 18, 1985

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,483 (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.$658,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$371,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$663,005

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.Split Foyer
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.1.19
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
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

Transaction History(3)

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
Hajjar Elementary SchoolC+
Elementary · Grades KG–4 · 1.1 mi
M
Marshall Middle SchoolB-
Middle · Grades 5–7 · 2.2 mi
H
Billerica Memorial High SchoolC+
High · Grades 8–12 · 2.8 mi

District: Billerica School District

Neighborhood · ZIP 01862These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.11,579
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,235 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,720
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,267
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

7 Karl Dr 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 more per square foot than 70% of homes in North Billerica 01862
  • Smaller than 65% of homes in North Billerica 01862
  • Has a bigger lot than 83% of homes in Middlesex County
  • Newer than 73% of homes in Middlesex County

What homes are worth in North Billerica 01862

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

This home
$378K$1.2M

This home is worth more than 52% of homes in North Billerica 01862.

How it measures up in North Billerica 01862

The dot is this home. The mark in the middle is the typical home in North Billerica 01862.

Estimated value$690,681
CheaperTypical $682,018Pricier

Pricier than 52% of homes nearby

Price per ft²$400
CheaperTypical $363Pricier

Pricier than 70% of homes nearby

Living area1,727 ft²
SmallerTypical 1,965 ft²Bigger

Bigger than 35% of homes nearby

Lot size1.19 ac
SmallerTypical 0.58 acBigger

Bigger than 82% of homes nearby

Year built1982
OlderTypical 1970Newer

Newer than 63% of homes nearby

How 7 Karl Dr ranks against every home in each area.
MeasureThis homeNorth Billerica 01862Middlesex County
Estimated valuepricier than$690,68152% of homes38% of homes
Price per ft²pricier than$40070% of homes33% of homes
Living areabigger than1,727 ft²35% of homes46% of homes
Lot sizebigger than1.19 ac82% of homes83% of homes
Year builtnewer than198263% of homes73% of homes

About 7 Karl Dr

How much is 7 Karl Dr, North Billerica, MA worth?

The TopHap Estimate for 7 Karl Dr, North Billerica, MA is $690,681 as of Sep 24, 2026. The likely range is $650,019 to $731,343. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7 Karl Dr, North Billerica, MA last sell?

7 Karl Dr, North Billerica, MA last sold on Nov 18, 1985 for $152,500, according to the county's recorded deed.

How big is 7 Karl Dr, North Billerica, MA?

7 Karl Dr, North Billerica, MA has 3 bedrooms, 2 bathrooms, 1,727 square feet of living space and a 1.19-acre lot.

When was 7 Karl Dr, North Billerica, MA built?

7 Karl Dr, North Billerica, MA was built in 1982, making it 44 years old. It is a split foyer home. The building has 1 story.

What schools serve 7 Karl Dr, North Billerica, MA?

7 Karl Dr, North Billerica, MA is assigned to Hajjar Elementary School (elementary), rated C+; Marshall Middle School (middle), rated B-; Billerica Memorial High School (high), rated C+. All sit in Billerica School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7 Karl Dr, North Billerica, MA compare to other homes in North Billerica 01862?

Among the 2,974 homes in North Billerica 01862, it is worth more than 52% of them ($690,681 against a typical $682,018), its price per square foot is higher than 70% of them ($400 against a typical $363), it is bigger than 35% of them (1,727 ft² against a typical 1,965 ft²), its lot is bigger than 82% of them (1.19 ac against a typical 0.58 ac) and it is newer than 63% of them (1982 against a typical 1970). Measured against all of Middlesex County, it is worth more than 38% 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 7 Karl Dr, North Billerica, MA?

The 2025 property tax bill for 7 Karl Dr, North Billerica, MA was $7,483. The county assessed it at $658,100.

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