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Duplex (2 Units, Any Combination)Residential
Last sold for $20,000 on Mar 23, 1990

84 BROOK ST

DUNSTABLE, MA 01827
4
Beds
2.5
Baths
3,727 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.
4.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,000 · Mar 23, 1990

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,728 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$651,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$240,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$409,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$690,063

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.4.12
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Electric
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(7)

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.

H
Groton - Dunstable Regional High SchoolA
High · Grades 9–12 · 2.4 mi
M
Groton - Dunstable Regional Middle SchoolA-
Middle · Grades 5–8 · 5.5 mi
E
Florence Roche Elementary SchoolA-
Elementary · Grades KG–4 · 5.5 mi

District: Groton-Dunstable School District

Neighborhood · ZIP 01827These 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.17
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.3,358
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.202 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$176,482
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,924
Average tempThe average temperature here across a full year.47°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

84 Brook 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.

  • Bigger than 93% of homes in Middlesex County
  • Has a bigger lot than 93% of homes in Middlesex County
  • Newer than 68% of homes in Middlesex County

How it measures up in Dunstable 01827

The dot is this home. The mark in the middle is the typical home in Dunstable 01827.

Living area3,727 ft²
SmallerTypical 2,582 ft²Bigger

Bigger than 88% of homes nearby

Lot size4.12 ac
SmallerTypical 2.04 acBigger

Bigger than 83% of homes nearby

Year built1975
OlderTypical 1987Newer

Newer than 33% of homes nearby

How 84 Brook St ranks against every home in each area.
MeasureThis homeDunstable 01827Middlesex County
Living areabigger than3,727 ft²88% of homes93% of homes
Lot sizebigger than4.12 ac83% of homes93% of homes
Year builtnewer than197533% of homes68% of homes

About 84 Brook St

When did 84 Brook St, Dunstable, MA last sell?

84 Brook St, Dunstable, MA last sold on Mar 23, 1990 for $20,000, according to the county's recorded deed.

How big is 84 Brook St, Dunstable, MA?

84 Brook St, Dunstable, MA has 4 bedrooms, 2.5 bathrooms, 3,727 square feet of living space and a 4.12-acre lot.

When was 84 Brook St, Dunstable, MA built?

84 Brook St, Dunstable, MA was built in 1975, making it 51 years old. It is a duplex single home. The building has 2 stories.

What schools serve 84 Brook St, Dunstable, MA?

84 Brook St, Dunstable, MA is assigned to Groton - Dunstable Regional High School (high), rated A; Groton - Dunstable Regional Middle School (middle), rated A-; Florence Roche Elementary School (elementary), rated A-. All sit in Groton-Dunstable School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 84 Brook St, Dunstable, MA compare to other homes in Dunstable 01827?

Among the 1,159 homes in Dunstable 01827, it is bigger than 88% of them (3,727 ft² against a typical 2,582 ft²), its lot is bigger than 83% of them (4.12 ac against a typical 2.04 ac) and it is newer than 33% of them (1975 against a typical 1987). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 84 Brook St, Dunstable, MA?

The 2026 property tax bill for 84 Brook St, Dunstable, MA was $8,728. The county assessed it at $651,800.

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