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Single Family ResidenceResidential
$2,144,643$460 / 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 95How 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 $815,000 on Sep 30, 2010

17 SMITH AVE

LEXINGTON, MA 02421
4
Beds
2.5
Baths
4,664 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1933
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$2M low$2.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$815,000 · Sep 30, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$29,707 (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.$2,429,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,127,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,302,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,105,835

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
Lot (acres)The size of the land the home sits on, from county records.0.59
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
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(6)

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
Bowman Elementary SchoolA
Elementary · Grades KG–5 · 0.6 mi
M
Clarke Middle SchoolA
Middle · Grades 6–8 · 0.9 mi
H
Lexingon High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Lexington School District

Neighborhood · ZIP 02421These 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.105
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.18,851
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,009 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$178,785
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$233,901
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

17 Smith Ave 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 95% of homes in Middlesex County
  • Costs less per square foot than 97% of homes in Lexington 02421
  • Bigger than 98% of homes in Middlesex County
  • Has a bigger lot than 81% of homes in Lexington 02421
  • Older than 80% of homes in Lexington 02421

What homes are worth in Lexington 02421

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

This home
$839K$3.3M

This home is worth more than 80% of homes in Lexington 02421.

How it measures up in Lexington 02421

The dot is this home. The mark in the middle is the typical home in Lexington 02421.

Estimated value$2,144,643
CheaperTypical $1,542,249Pricier

Pricier than 80% of homes nearby

Price per ft²$460
CheaperTypical $685Pricier

Pricier than 3% of homes nearby

Living area4,664 ft²
SmallerTypical 2,224 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.59 ac
SmallerTypical 0.36 acBigger

Bigger than 81% of homes nearby

Year built1933
OlderTypical 1958Newer

Newer than 20% of homes nearby

How 17 Smith Ave ranks against every home in each area.
MeasureThis homeLexington 02421Middlesex County
Estimated valuepricier than$2,144,64380% of homes95% of homes
Price per ft²pricier than$4603% of homes50% of homes
Living areabigger than4,664 ft²95% of homes98% of homes
Lot sizebigger than0.59 ac81% of homes69% of homes
Year builtnewer than193320% of homes33% of homes

About 17 Smith Ave

How much is 17 Smith Ave, Lexington, MA worth?

The TopHap Estimate for 17 Smith Ave, Lexington, MA is $2,144,643 as of Jul 14, 2026. The likely range is $2,047,465 to $2,241,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Smith Ave, Lexington, MA last sell?

17 Smith Ave, Lexington, MA last sold on Sep 30, 2010 for $815,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 17 Smith Ave, Lexington, MA?

17 Smith Ave, Lexington, MA has 4 bedrooms, 2.5 bathrooms, 4,664 square feet of living space and a 0.59-acre lot.

When was 17 Smith Ave, Lexington, MA built?

17 Smith Ave, Lexington, MA was built in 1933, making it 93 years old. It is a colonial home. The building has 2 stories.

What schools serve 17 Smith Ave, Lexington, MA?

17 Smith Ave, Lexington, MA is assigned to Bowman Elementary School (elementary), rated A; Clarke Middle School (middle), rated A; Lexingon High School (high), rated A+. All sit in Lexington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 Smith Ave, Lexington, MA compare to other homes in Lexington 02421?

Among the 5,257 homes in Lexington 02421, it is worth more than 80% of them ($2,144,643 against a typical $1,542,249), its price per square foot is higher than 3% of them ($460 against a typical $685), it is bigger than 95% of them (4,664 ft² against a typical 2,224 ft²), its lot is bigger than 81% of them (0.59 ac against a typical 0.36 ac) and it is newer than 20% of them (1933 against a typical 1958). Measured against all of Middlesex County, it is worth more than 95% 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 17 Smith Ave, Lexington, MA?

The 2025 property tax bill for 17 Smith Ave, Lexington, MA was $29,707. The county assessed it at $2,429,000.

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