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Single Family ResidenceResidential
$1,105,958$669 / 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
Last sold for $410,000 on Dec 17, 1999

21 LAPHAM RD

CONCORD, MA 01742
3
Beds
3 / 1
Baths
1,654 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.
1961
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.

Valuation

$1.1M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$410,000 · Dec 17, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,538 (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.$870,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$493,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$376,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$855,000

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.Ranch
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.1971
Lot (acres)The size of the land the home sits on, from county records.0.47
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(10)

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
Thoreau Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Concord Middle SchoolB+
Middle · Grades 6–8 · 0.6 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 2.3 mi

District: Concord School District

Neighborhood · ZIP 01742These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.18,974
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.737 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$185,796
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$221,000
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

21 Lapham Rd 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 76% of homes in Middlesex County
  • Costs more per square foot than 84% of homes in Middlesex County
  • Smaller than 76% of homes in Concord 01742

What homes are worth in Concord 01742

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

This home
$529K$4.2M

This home is worth more than 27% of homes in Concord 01742.

How it measures up in Concord 01742

The dot is this home. The mark in the middle is the typical home in Concord 01742.

Estimated value$1,105,958
CheaperTypical $1,440,469Pricier

Pricier than 27% of homes nearby

Price per ft²$669
CheaperTypical $598Pricier

Pricier than 69% of homes nearby

Living area1,654 ft²
SmallerTypical 2,387 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.47 ac
SmallerTypical 0.63 acBigger

Bigger than 36% of homes nearby

Year built1961
OlderTypical 1966Newer

Newer than 42% of homes nearby

How 21 Lapham Rd ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$1,105,95827% of homes76% of homes
Price per ft²pricier than$66969% of homes84% of homes
Living areabigger than1,654 ft²24% of homes42% of homes
Lot sizebigger than0.47 ac36% of homes62% of homes
Year builtnewer than196142% of homes54% of homes

About 21 Lapham Rd

How much is 21 Lapham Rd, Concord, MA worth?

The TopHap Estimate for 21 Lapham Rd, Concord, MA is $1,105,958 as of Sep 24, 2026. The likely range is $1,060,472 to $1,151,444. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Lapham Rd, Concord, MA last sell?

21 Lapham Rd, Concord, MA last sold on Dec 17, 1999 for $410,000, according to the county's recorded deed.

How big is 21 Lapham Rd, Concord, MA?

21 Lapham Rd, Concord, MA has 3 bedrooms, 3 bathrooms, 1,654 square feet of living space and a 0.47-acre lot.

When was 21 Lapham Rd, Concord, MA built?

21 Lapham Rd, Concord, MA was built in 1961, making it 65 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Lapham Rd, Concord, MA?

21 Lapham Rd, Concord, MA is assigned to Thoreau Elementary School (elementary), rated B+; Concord Middle School (middle), rated B+; Concord Carlisle High School (high), rated A+. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Lapham Rd, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 27% of them ($1,105,958 against a typical $1,440,469), its price per square foot is higher than 69% of them ($669 against a typical $598), it is bigger than 24% of them (1,654 ft² against a typical 2,387 ft²), its lot is bigger than 36% of them (0.47 ac against a typical 0.63 ac) and it is newer than 42% of them (1961 against a typical 1966). Measured against all of Middlesex County, it is worth more than 76% 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 Lapham Rd, Concord, MA?

The 2025 property tax bill for 21 Lapham Rd, Concord, MA was $11,538. The county assessed it at $870,100.

More homes on Lapham Rd

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Assigned schools

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