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Single Family ResidenceResidential
$1,281,504$776 / 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 69How 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

18 WILLOW ST

CONCORD, MA 01742
5
Beds
3
Baths
1,652 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.
3,880 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
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.

Valuation

$1.3M
$885K low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,647 (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.$1,255,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$740,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$515,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,235,600

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.Old Style
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.09
HeatingThe type of heating system in the home.Forced Air
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Alcott Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 0.6 mi
M
Concord Middle SchoolA+
Middle · Grades 6–8 · 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

18 Willow St 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
  • Costs more per square foot than 91% of homes in Middlesex County
  • Smaller than 76% of homes in Concord 01742
  • Among the smallest lots in Concord 01742
  • Older than 93% 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
$532K$4.2M

This home is worth more than 39% 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$1,281,504
CheaperTypical $1,435,267Pricier

Pricier than 39% of homes nearby

Price per ft²$776
CheaperTypical $596Pricier

Pricier than 86% of homes nearby

Living area1,652 ft²
SmallerTypical 2,376 ft²Bigger

Bigger than 24% of homes nearby

Lot size3,880 ft²
SmallerTypical 0.65 acBigger

Smaller than almost all homes nearby

Year built1890
OlderTypical 1966Newer

Newer than 7% of homes nearby

How 18 Willow St ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$1,281,50439% of homes83% of homes
Price per ft²pricier than$77686% of homes91% of homes
Living areabigger than1,652 ft²24% of homes42% of homes
Lot sizebigger than3,880 ft²almost no homes8% of homes
Year builtnewer than18907% of homes8% of homes

About 18 Willow St

How much is 18 Willow St, Concord, MA worth?

The TopHap Estimate for 18 Willow St, Concord, MA is $1,281,504 as of Sep 24, 2026. The likely range is $884,865 to $1,678,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Willow St, Concord, MA last sell?

18 Willow St, Concord, MA last sold on May 15, 2002, according to the county's recorded deed.

How big is 18 Willow St, Concord, MA?

18 Willow St, Concord, MA has 5 bedrooms, 3 bathrooms, 1,652 square feet of living space and a 0.09-acre lot.

When was 18 Willow St, Concord, MA built?

18 Willow St, Concord, MA was built in 1890, making it 136 years old. It is a old style home. The building has 2 stories.

What schools serve 18 Willow St, Concord, MA?

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

How does 18 Willow St, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 39% of them ($1,281,504 against a typical $1,435,267), its price per square foot is higher than 86% of them ($776 against a typical $596), it is bigger than 24% of them (1,652 ft² against a typical 2,376 ft²), its lot is bigger than almost none of them (3,880 ft² against a typical 0.65 ac) and it is newer than 7% of them (1890 against a typical 1966). 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 18 Willow St, Concord, MA?

The 2025 property tax bill for 18 Willow St, Concord, MA was $16,647. The county assessed it at $1,255,400.

More homes on Willow St

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