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Single Family ResidenceResidential
$1,302,187
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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $47,000 on Jan 1, 1980

47 HARRINGTON AVE

CONCORD, MA 01742
0
Baths
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$47,000 · Jan 1, 1980

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$163 (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.$1,230,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$513,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$717,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,196,715

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.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.55
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 0.7 mi
M
Concord Middle SchoolB+
Middle · Grades 6–8 · 1.0 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 3.2 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

47 Harrington 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 83% of homes in Middlesex County
  • Has a bigger lot than 67% of homes in Middlesex County

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
$542K$4.4M

This home is worth more than 40% 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$1,302,187
CheaperTypical $1,449,160Pricier

Pricier than 40% of homes nearby

Lot size0.55 ac
SmallerTypical 0.68 acBigger

Bigger than 44% of homes nearby

How 47 Harrington Ave ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$1,302,18740% of homes83% of homes
Lot sizebigger than0.55 ac44% of homes67% of homes

About 47 Harrington Ave

How much is 47 Harrington Ave, Concord, MA worth?

The TopHap Estimate for 47 Harrington Ave, Concord, MA is $1,302,187 as of Aug 30, 2026. The likely range is $1,182,391 to $1,421,983. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 47 Harrington Ave, Concord, MA last sell?

47 Harrington Ave, Concord, MA last sold on Jan 1, 1980 for $47,000, according to the county's recorded deed.

What schools serve 47 Harrington Ave, Concord, MA?

47 Harrington Ave, 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 47 Harrington Ave, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 40% of them ($1,302,187 against a typical $1,449,160) and its lot is bigger than 44% of them (0.55 ac against a typical 0.68 ac). Measured against all of Middlesex County, it is worth more than 83% 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 47 Harrington Ave, Concord, MA?

The 2025 property tax bill for 47 Harrington Ave, Concord, MA was $163. The county assessed it at $1,230,600.

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Assigned schools

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