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Single Family ResidenceResidential
$1,248,218$493 / 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

20 ERIN LN

BURLINGTON, MA 01803
4
Beds
3.5
Baths
2,530 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$1.2M
$1.2M low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,899 (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.$1,139,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$475,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$663,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,101,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,137,901

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.Colonial
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.1997
Lot (acres)The size of the land the home sits on, from county records.0.47
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
CoolingThe type of cooling or air conditioning in the home.Yes
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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 · 0.3 mi
M
Marshall Simonds Middle SchoolB+
Middle · Grades 6–8 · 1.7 mi
H
Burlington High SchoolB
High · Grades 9–12 · 2.1 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%

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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 Erin Ln 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 92% of homes in Burlington 01803
  • Costs more per square foot than 69% of homes in Burlington 01803
  • Bigger than 78% of homes in Burlington 01803
  • Newer than 84% of homes in Middlesex County

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
$421K$1.7M

This home is worth more than 92% 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$1,248,218
CheaperTypical $824,708Pricier

Pricier than 92% of homes nearby

Price per ft²$493
CheaperTypical $450Pricier

Pricier than 69% of homes nearby

Living area2,530 ft²
SmallerTypical 1,876 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.47 ac
SmallerTypical 0.46 acBigger

Bigger than 59% of homes nearby

Year built1993
OlderTypical 1964Newer

Newer than 82% of homes nearby

How 20 Erin Ln ranks against every home in each area.
MeasureThis homeBurlington 01803Middlesex County
Estimated valuepricier than$1,248,21892% of homes82% of homes
Price per ft²pricier than$49369% of homes58% of homes
Living areabigger than2,530 ft²78% of homes75% of homes
Lot sizebigger than0.47 ac59% of homes62% of homes
Year builtnewer than199382% of homes84% of homes

About 20 Erin Ln

How much is 20 Erin Ln, Burlington, MA worth?

The TopHap Estimate for 20 Erin Ln, Burlington, MA is $1,248,218 as of Sep 24, 2026. The likely range is $1,179,243 to $1,317,193. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Erin Ln, Burlington, MA last sell?

20 Erin Ln, Burlington, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Erin Ln, Burlington, MA?

20 Erin Ln, Burlington, MA has 4 bedrooms, 3.5 bathrooms, 2,530 square feet of living space and a 0.47-acre lot.

When was 20 Erin Ln, Burlington, MA built?

20 Erin Ln, Burlington, MA was built in 1993, making it 33 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Erin Ln, Burlington, MA?

20 Erin Ln, Burlington, MA is assigned to Fox Hill Elementary School (elementary), rated B+; Marshall Simonds Middle School (middle), rated B+; 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 20 Erin Ln, Burlington, MA compare to other homes in Burlington 01803?

Among the 7,276 homes in Burlington 01803, it is worth more than 92% of them ($1,248,218 against a typical $824,708), its price per square foot is higher than 69% of them ($493 against a typical $450), it is bigger than 78% of them (2,530 ft² against a typical 1,876 ft²), its lot is bigger than 59% of them (0.47 ac against a typical 0.46 ac) and it is newer than 82% of them (1993 against a typical 1964). Measured against all of Middlesex County, it is worth more than 82% 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 Erin Ln, Burlington, MA?

The 2026 property tax bill for 20 Erin Ln, Burlington, MA was $9,899. The county assessed it at $1,139,100.

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