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CondominiumResidential
$816,411$496 / 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 93How 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 $635,940 on Aug 30, 2011

1645 MAIN ST

CONCORD, MA 01742
2
Beds
3 / 1
Baths
1,646 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.
3.78 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$816K
$761K low$872K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$635,940 · Aug 30, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,843 (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.$817,700 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$817,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$795,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.3.78
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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 · 0.5 mi
M
Concord Middle SchoolB+
Middle · Grades 6–8 · 1.1 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 3.0 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

1645 Main 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 less than 90% of homes in Concord 01742
  • Costs less per square foot than 85% of homes in Concord 01742
  • Smaller than 76% of homes in Concord 01742
  • Has a bigger lot than 93% of homes in Middlesex County
  • Newer than 95% 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
$526K$4.2M

This home is worth more than 10% 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$816,411
CheaperTypical $1,455,506Pricier

Pricier than 10% of homes nearby

Price per ft²$496
CheaperTypical $600Pricier

Pricier than 15% of homes nearby

Living area1,646 ft²
SmallerTypical 2,374 ft²Bigger

Bigger than 24% of homes nearby

Lot size3.78 ac
SmallerTypical 0.67 acBigger

Bigger than 89% of homes nearby

Year built2011
OlderTypical 1967Newer

Newer than 91% of homes nearby

How 1645 Main St ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$816,41110% of homes54% of homes
Price per ft²pricier than$49615% of homes58% of homes
Living areabigger than1,646 ft²24% of homes42% of homes
Lot sizebigger than3.78 ac89% of homes93% of homes
Year builtnewer than201191% of homes95% of homes

About 1645 Main St

How much is 1645 Main St, Concord, MA worth?

The TopHap Estimate for 1645 Main St, Concord, MA is $816,411 as of Aug 30, 2026. The likely range is $760,606 to $872,216. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1645 Main St, Concord, MA last sell?

1645 Main St, Concord, MA last sold on Aug 30, 2011 for $635,940, according to the county's recorded deed.

How big is 1645 Main St, Concord, MA?

1645 Main St, Concord, MA has 2 bedrooms, 3 bathrooms, 1,646 square feet of living space and a 3.78-acre lot.

When was 1645 Main St, Concord, MA built?

1645 Main St, Concord, MA was built in 2011, making it 15 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 1645 Main St, Concord, MA?

1645 Main St, 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 1645 Main St, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 10% of them ($816,411 against a typical $1,455,506), its price per square foot is higher than 15% of them ($496 against a typical $600), it is bigger than 24% of them (1,646 ft² against a typical 2,374 ft²), its lot is bigger than 89% of them (3.78 ac against a typical 0.67 ac) and it is newer than 91% of them (2011 against a typical 1967). Measured against all of Middlesex County, it is worth more than 54% 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 1645 Main St, Concord, MA?

The 2025 property tax bill for 1645 Main St, Concord, MA was $10,843. The county assessed it at $817,700.

More homes on Main St

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Assigned schools

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