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Single Family ResidenceResidential
$3,449,788$366 / 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 95How 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 $3,000,000 on Oct 31, 2023

284 MATTISON DR

CONCORD, MA 01742
6
Beds
8 / 2
Baths
9,420 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.
1.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.4M
$3.3M low$3.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,000,000 · Oct 31, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$405 (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.$3,055,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$582,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,472,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,800,980

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.16 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.1.98
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.In-Ground Pool

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.

M
Concord Middle SchoolB+
Middle · Grades 6–8 · 0.5 mi
E
Willard Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 2.1 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

284 Mattison Dr 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.

  • Among the most valuable homes in Middlesex County
  • Costs less per square foot than 98% of homes in Concord 01742
  • Among the largest homes in Concord 01742
  • Has a bigger lot than 88% of homes in Middlesex County
  • Newer than 82% 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
$530K$4.2M

This home is worth more than 96% 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$3,449,788
CheaperTypical $1,451,711Pricier

Pricier than 96% of homes nearby

Price per ft²$366
CheaperTypical $601Pricier

Pricier than 2% of homes nearby

Living area9,420 ft²
SmallerTypical 2,363 ft²Bigger

Bigger than almost all homes nearby

Lot size1.98 ac
SmallerTypical 0.66 acBigger

Bigger than 81% of homes nearby

Year built1991
OlderTypical 1966Newer

Newer than 80% of homes nearby

How 284 Mattison Dr ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$3,449,78896% of homesalmost all homes
Price per ft²pricier than$3662% of homes24% of homes
Living areabigger than9,420 ft²almost all homesalmost all homes
Lot sizebigger than1.98 ac81% of homes88% of homes
Year builtnewer than199180% of homes82% of homes

About 284 Mattison Dr

How much is 284 Mattison Dr, Concord, MA worth?

The TopHap Estimate for 284 Mattison Dr, Concord, MA is $3,449,788 as of Aug 30, 2026. The likely range is $3,269,742 to $3,629,834. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 284 Mattison Dr, Concord, MA last sell?

284 Mattison Dr, Concord, MA last sold on Oct 31, 2023 for $3,000,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 284 Mattison Dr, Concord, MA?

284 Mattison Dr, Concord, MA has 6 bedrooms, 8 bathrooms, 9,420 square feet of living space and a 1.98-acre lot.

When was 284 Mattison Dr, Concord, MA built?

284 Mattison Dr, Concord, MA was built in 1991, making it 35 years old. It is a colonial home. The building has 2 stories.

What schools serve 284 Mattison Dr, Concord, MA?

284 Mattison Dr, Concord, MA is assigned to Concord Middle School (middle), rated B+; Willard Elementary School (elementary), rated A-; 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 284 Mattison Dr, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 96% of them ($3,449,788 against a typical $1,451,711), its price per square foot is higher than 2% of them ($366 against a typical $601), it is bigger than almost all of them (9,420 ft² against a typical 2,363 ft²), its lot is bigger than 81% of them (1.98 ac against a typical 0.66 ac) and it is newer than 80% of them (1991 against a typical 1966). Measured against all of Middlesex County, it is worth more than almost all 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 284 Mattison Dr, Concord, MA?

The 2025 property tax bill for 284 Mattison Dr, Concord, MA was $405. The county assessed it at $3,055,200.

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