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Commercial Condominium (Not Offices)Commercial
Last sold for $547,150 on Nov 1, 1996

84A COMMONWEALTH AVE

CONCORD, MA 01742
1
Baths
982 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$547,150 · Nov 1, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,560 (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.$287,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$287,300

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.74 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Commercial Condominium (Not Offices)
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.0.22
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Composition (rolled Mineral Roof)
HeatingThe type of heating system in the home.Hot Water
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(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.

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 · 0.4 mi
M
Concord Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 2.5 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

84a Commonwealth 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.

  • Smaller than 97% of homes in Concord 01742
  • Has a smaller lot than 90% 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.

Living area982 ft²
SmallerTypical 2,374 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.22 ac
SmallerTypical 0.67 acBigger

Bigger than 10% of homes nearby

Year built1959
OlderTypical 1967Newer

Newer than 40% of homes nearby

How 84a Commonwealth Ave ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Living areabigger than982 ft²3% of homes10% of homes
Lot sizebigger than0.22 ac10% of homes38% of homes
Year builtnewer than195940% of homes51% of homes

About 84a Commonwealth Ave

When did 84a Commonwealth Ave, Concord, MA last sell?

84a Commonwealth Ave, Concord, MA last sold on Nov 1, 1996 for $547,150, according to the county's recorded deed.

How big is 84a Commonwealth Ave, Concord, MA?

84a Commonwealth Ave, Concord, MA has 1 bathrooms, 982 square feet of living space and a 0.22-acre lot.

When was 84a Commonwealth Ave, Concord, MA built?

84a Commonwealth Ave, Concord, MA was built in 1959, making it 67 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 84a Commonwealth Ave, Concord, MA?

84a Commonwealth 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 84a Commonwealth Ave, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is bigger than 3% of them (982 ft² against a typical 2,374 ft²), its lot is bigger than 10% of them (0.22 ac against a typical 0.67 ac) and it is newer than 40% of them (1959 against a typical 1967). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 84a Commonwealth Ave, Concord, MA?

The 2025 property tax bill for 84a Commonwealth Ave, Concord, MA was $3,560. The county assessed it at $287,300.

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