Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$567,980$411 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

20 MONADNOCK DR

WESTFORD, MA 01886
2
Beds
2
Baths
1,381 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.
214.89 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
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

$568K
$516K low$620K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,967 (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.$531,400 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$531,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$513,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$591,375

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.66 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.214.89
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
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(2)

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
Colonel John Robinson Elementary School
Elementary · Grades PK–2 · 1.1 mi
H
Westford AcademyA+
High · Grades 9–12 · 1.3 mi
M
Lloyd G. Blanchard Middle SchoolA+
Middle · Grades 6–8 · 2.7 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%

Owner Tools

Do you own this home?
Claim this home

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 Monadnock 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.

  • Worth less than 84% of homes in Westford 01886
  • Smaller than 78% of homes in Westford 01886
  • Among the largest lots in Westford 01886
  • Newer than 75% of homes in Middlesex County

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
$311K$1.5M

This home is worth more than 16% 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$567,980
CheaperTypical $810,303Pricier

Pricier than 16% of homes nearby

Price per ft²$411
CheaperTypical $408Pricier

Pricier than 52% of homes nearby

Living area1,381 ft²
SmallerTypical 2,062 ft²Bigger

Bigger than 22% of homes nearby

Lot size214.89 ac
SmallerTypical 0.92 acBigger

Bigger than almost all homes nearby

Year built1984
OlderTypical 1984Newer

Newer than 51% of homes nearby

How 20 Monadnock Dr ranks against every home in each area.
MeasureThis homeWestford 01886Middlesex County
Estimated valuepricier than$567,98016% of homes22% of homes
Price per ft²pricier than$41152% of homes37% of homes
Living areabigger than1,381 ft²22% of homes29% of homes
Lot sizebigger than214.89 acalmost all homesalmost all homes
Year builtnewer than198451% of homes75% of homes

About 20 Monadnock Dr

How much is 20 Monadnock Dr, Westford, MA worth?

The TopHap Estimate for 20 Monadnock Dr, Westford, MA is $567,980 as of Oct 21, 2026. The likely range is $515,617 to $620,343. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Monadnock Dr, Westford, MA last sell?

20 Monadnock Dr, Westford, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Monadnock Dr, Westford, MA?

20 Monadnock Dr, Westford, MA has 2 bedrooms, 2 bathrooms, 1,381 square feet of living space and a 214.89-acre lot.

When was 20 Monadnock Dr, Westford, MA built?

20 Monadnock Dr, Westford, MA was built in 1984, making it 42 years old. The building has 1 story.

What schools serve 20 Monadnock Dr, Westford, MA?

20 Monadnock Dr, Westford, MA is assigned to Colonel John Robinson Elementary School (elementary); Westford Academy (high), rated A+; Lloyd G. Blanchard Middle School (middle), rated A+. All sit in Westford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Monadnock Dr, Westford, MA compare to other homes in Westford 01886?

Among the 8,171 homes in Westford 01886, it is worth more than 16% of them ($567,980 against a typical $810,303), its price per square foot is higher than 52% of them ($411 against a typical $408), it is bigger than 22% of them (1,381 ft² against a typical 2,062 ft²), its lot is bigger than almost all of them (214.89 ac against a typical 0.92 ac) and it is newer than 51% of them (1984 against a typical 1984). Measured against all of Middlesex County, it is worth more than 22% 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 Monadnock Dr, Westford, MA?

The 2026 property tax bill for 20 Monadnock Dr, Westford, MA was $6,967. The county assessed it at $531,400.

More homes on Monadnock Dr

Closest homes

More homes in Westford 01886

Assigned schools

Explore the area

See this home in context

Open 20 Monadnock Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map