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Single Family ResidenceResidential
$929,940$348 / 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 96How 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

11 KIRSI CIR

WESTFORD, MA 01886
4
Beds
3.5
Baths
2,672 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.
0.92 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$930K
$889K low$971K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,153 (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.$828,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$346,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$481,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,301,785

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.92
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.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Nabnasset Elementary School
Elementary · Grades PK–2 · 1.4 mi
M
Stony Brook Middle SchoolA-
Middle · Grades 6–8 · 2.2 mi
H
Westford AcademyA
High · Grades 9–12 · 2.2 mi

District: Westford School District

Neighborhood · ZIP 01886These 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.19
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.25,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.803 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,754
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,117
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

11 Kirsi Cir 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 more than 65% of homes in Westford 01886
  • Costs less per square foot than 85% of homes in Westford 01886
  • Bigger than 78% of homes in Middlesex County
  • Has a bigger lot than 76% of homes in Middlesex County
  • Older than 70% of homes in Westford 01886

What homes are worth in Westford 01886

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

This home
$306K$1.5M

This home is worth more than 65% of homes in Westford 01886.

How it measures up in Westford 01886

The dot is this home. The mark in the middle is the typical home in Westford 01886.

Estimated value$929,940
CheaperTypical $816,207Pricier

Pricier than 65% of homes nearby

Price per ft²$348
CheaperTypical $410Pricier

Pricier than 15% of homes nearby

Living area2,672 ft²
SmallerTypical 2,060 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.92 ac
SmallerTypical 0.92 acBigger

Bigger than 51% of homes nearby

Year built1969
OlderTypical 1984Newer

Newer than 30% of homes nearby

How 11 Kirsi Cir ranks against every home in each area.
MeasureThis homeWestford 01886Middlesex County
Estimated valuepricier than$929,94065% of homes65% of homes
Price per ft²pricier than$34815% of homes18% of homes
Living areabigger than2,672 ft²77% of homes78% of homes
Lot sizebigger than0.92 ac51% of homes76% of homes
Year builtnewer than196930% of homes63% of homes

About 11 Kirsi Cir

How much is 11 Kirsi Cir, Westford, MA worth?

The TopHap Estimate for 11 Kirsi Cir, Westford, MA is $929,940 as of Sep 24, 2026. The likely range is $889,304 to $970,576. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Kirsi Cir, Westford, MA last sell?

11 Kirsi Cir, Westford, MA last sold on Mar 10, 2016, according to the county's recorded deed.

How big is 11 Kirsi Cir, Westford, MA?

11 Kirsi Cir, Westford, MA has 4 bedrooms, 3.5 bathrooms, 2,672 square feet of living space and a 0.92-acre lot.

When was 11 Kirsi Cir, Westford, MA built?

11 Kirsi Cir, Westford, MA was built in 1969, making it 57 years old. The building has 2 stories.

What schools serve 11 Kirsi Cir, Westford, MA?

11 Kirsi Cir, Westford, MA is assigned to Nabnasset Elementary School (elementary); Stony Brook Middle School (middle), rated A-; Westford Academy (high), rated A. All sit in Westford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Kirsi Cir, Westford, MA compare to other homes in Westford 01886?

Among the 8,171 homes in Westford 01886, it is worth more than 65% of them ($929,940 against a typical $816,207), its price per square foot is higher than 15% of them ($348 against a typical $410), it is bigger than 77% of them (2,672 ft² against a typical 2,060 ft²), its lot is bigger than 51% of them (0.92 ac against a typical 0.92 ac) and it is newer than 30% of them (1969 against a typical 1984). Measured against all of Middlesex County, it is worth more than 65% 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 11 Kirsi Cir, Westford, MA?

The 2025 property tax bill for 11 Kirsi Cir, Westford, MA was $11,153. The county assessed it at $828,000.

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