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Single Family ResidenceResidential
$1,412,128$520 / 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 92How 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 $1 on May 18, 2005

23 ALLEN FARM LN

CONCORD, MA 01742
3
Beds
3 / 1
Baths
2,714 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1 · May 18, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,026 (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.$1,284,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$630,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$654,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,284,000

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.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.1980
Lot (acres)The size of the land the home sits on, from county records.0.46
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, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

M
Concord Middle SchoolB+
Middle · Grades 6–8 · 1.7 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 1.9 mi
E
Willard Elementary SchoolA-
Elementary · Grades KG–5 · 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

23 Allen Farm 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 87% of homes in Middlesex County
  • Costs less per square foot than 79% of homes in Concord 01742
  • Bigger than 80% of homes in Middlesex County
  • Has a smaller lot than 68% 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
$533K$4.4M

This home is worth more than 48% 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$1,412,128
CheaperTypical $1,436,680Pricier

Pricier than 48% of homes nearby

Price per ft²$520
CheaperTypical $595Pricier

Pricier than 21% of homes nearby

Living area2,714 ft²
SmallerTypical 2,384 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.46 ac
SmallerTypical 0.65 acBigger

Bigger than 32% of homes nearby

Year built1969
OlderTypical 1966Newer

Newer than 57% of homes nearby

How 23 Allen Farm Ln ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$1,412,12848% of homes87% of homes
Price per ft²pricier than$52021% of homes63% of homes
Living areabigger than2,714 ft²59% of homes80% of homes
Lot sizebigger than0.46 ac32% of homes61% of homes
Year builtnewer than196957% of homes63% of homes

About 23 Allen Farm Ln

How much is 23 Allen Farm Ln, Concord, MA worth?

The TopHap Estimate for 23 Allen Farm Ln, Concord, MA is $1,412,128 as of Sep 24, 2026. The likely range is $1,302,825 to $1,521,431. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Allen Farm Ln, Concord, MA last sell?

23 Allen Farm Ln, Concord, MA last sold on May 18, 2005 for $1, according to the county's recorded deed.

How big is 23 Allen Farm Ln, Concord, MA?

23 Allen Farm Ln, Concord, MA has 3 bedrooms, 3 bathrooms, 2,714 square feet of living space and a 0.46-acre lot.

When was 23 Allen Farm Ln, Concord, MA built?

23 Allen Farm Ln, Concord, MA was built in 1969, making it 57 years old. It is a colonial home. The building has 2 stories.

What schools serve 23 Allen Farm Ln, Concord, MA?

23 Allen Farm Ln, Concord, MA is assigned to Concord Middle School (middle), rated B+; Concord Carlisle High School (high), rated A+; Willard Elementary School (elementary), rated A-. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Allen Farm Ln, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 48% of them ($1,412,128 against a typical $1,436,680), its price per square foot is higher than 21% of them ($520 against a typical $595), it is bigger than 59% of them (2,714 ft² against a typical 2,384 ft²), its lot is bigger than 32% of them (0.46 ac against a typical 0.65 ac) and it is newer than 57% of them (1969 against a typical 1966). Measured against all of Middlesex County, it is worth more than 87% 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 23 Allen Farm Ln, Concord, MA?

The 2025 property tax bill for 23 Allen Farm Ln, Concord, MA was $17,026. The county assessed it at $1,284,000.

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