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Single Family ResidenceResidential
$911,570$488 / 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 Jul 14, 2026
Last sold for $479,900 on Sep 19, 2013

21 FREEPORT DR

BURLINGTON, MA 01803
3
Beds
1
Baths
1,868 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$912K
$855K low$968K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$479,900 · Sep 19, 2013
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$527,570
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$422,056
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.44%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$384,000
LEADER BANK NA · recorded Jun 8, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,661 (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.$769,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$439,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$330,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$816,715

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.53 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1977
Lot (acres)The size of the land the home sits on, from county records.0.64
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Fox Hill Elementary SchoolB
Elementary · Grades KG–5 · 0.8 mi
M
Marshall Simonds Middle SchoolA-
Middle · Grades 6–8 · 1.2 mi
H
Burlington High SchoolB
High · Grades 9–12 · 1.6 mi

District: Burlington School District

Neighborhood · ZIP 01803These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.26,627
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,344 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,239
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,937
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21 Freeport 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 more than 68% of homes in Burlington 01803
  • Costs more per square foot than 68% of homes in Burlington 01803
  • Has a bigger lot than 83% of homes in Burlington 01803
  • Newer than 66% of homes in Burlington 01803

What homes are worth in Burlington 01803

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

This home
$364K$1.7M

This home is worth more than 68% of homes in Burlington 01803.

How it measures up in Burlington 01803

The dot is this home. The mark in the middle is the typical home in Burlington 01803.

Estimated value$911,570
CheaperTypical $829,900Pricier

Pricier than 68% of homes nearby

Price per ft²$488
CheaperTypical $448Pricier

Pricier than 68% of homes nearby

Living area1,868 ft²
SmallerTypical 1,867 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.64 ac
SmallerTypical 0.46 acBigger

Bigger than 83% of homes nearby

Year built1971
OlderTypical 1964Newer

Newer than 66% of homes nearby

How 21 Freeport Dr ranks against every home in each area.
MeasureThis homeBurlington 01803Middlesex County
Estimated valuepricier than$911,57068% of homes63% of homes
Price per ft²pricier than$48868% of homes56% of homes
Living areabigger than1,868 ft²50% of homes51% of homes
Lot sizebigger than0.64 ac83% of homes70% of homes
Year builtnewer than197166% of homes65% of homes

About 21 Freeport Dr

How much is 21 Freeport Dr, Burlington, MA worth?

The TopHap Estimate for 21 Freeport Dr, Burlington, MA is $911,570 as of Jul 14, 2026. The likely range is $855,309 to $967,831. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Freeport Dr, Burlington, MA last sell?

21 Freeport Dr, Burlington, MA last sold on Sep 19, 2013 for $479,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Freeport Dr, Burlington, MA?

21 Freeport Dr, Burlington, MA has 3 bedrooms, 1 bathrooms, 1,868 square feet of living space and a 0.64-acre lot.

When was 21 Freeport Dr, Burlington, MA built?

21 Freeport Dr, Burlington, MA was built in 1971, making it 55 years old. It is a split foyer home. The building has 1 story.

What schools serve 21 Freeport Dr, Burlington, MA?

21 Freeport Dr, Burlington, MA is assigned to Fox Hill Elementary School (elementary), rated B; Marshall Simonds Middle School (middle), rated A-; Burlington High School (high), rated B. All sit in Burlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Freeport Dr, Burlington, MA compare to other homes in Burlington 01803?

Among the 7,276 homes in Burlington 01803, it is worth more than 68% of them ($911,570 against a typical $829,900), its price per square foot is higher than 68% of them ($488 against a typical $448), it is bigger than 50% of them (1,868 ft² against a typical 1,867 ft²), its lot is bigger than 83% of them (0.64 ac against a typical 0.46 ac) and it is newer than 66% of them (1971 against a typical 1964). Measured against all of Middlesex County, it is worth more than 63% 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 21 Freeport Dr, Burlington, MA?

The 2025 property tax bill for 21 Freeport Dr, Burlington, MA was $6,661. The county assessed it at $769,200.

Closest homes

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Assigned schools

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