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Single Family ResidenceResidential
$448,550$348 / 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 94How 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

21 GARDNER AVE

ATTLEBORO, MA 02703
3
Beds
1
Baths
1,290 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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

$449K
$424K low$473K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,154 (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.$331,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$205,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$385,225

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.Cape Cod
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.20
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
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.

M
Robert J. Coelho Middle SchoolB
Middle · Grades 5–8 · 0.2 mi
E
Hill-Roberts Elementary SchoolC
Elementary · Grades KG–4 · 1.3 mi
H
Attleboro High SchoolC+
High · Grades 9–12 · 4.2 mi

District: Attleboro School District

Neighborhood · ZIP 02703These 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.81
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 100.62

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.47,225
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,706 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,889
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,711
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

21 Gardner 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.

  • Worth less than 74% of homes in Attleboro 02703
  • Smaller than 72% of homes in Bristol County
  • Has a smaller lot than 85% of homes in Attleboro 02703

What homes are worth in Attleboro 02703

Each bar is how many homes fall in that price range. The marker is this home.

This home
$283K$912K

This home is worth more than 26% of homes in Attleboro 02703.

How it measures up in Attleboro 02703

The dot is this home. The mark in the middle is the typical home in Attleboro 02703.

Estimated value$448,550
CheaperTypical $516,384Pricier

Pricier than 26% of homes nearby

Price per ft²$348
CheaperTypical $343Pricier

Pricier than 53% of homes nearby

Living area1,290 ft²
SmallerTypical 1,594 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.19 ac
SmallerTypical 0.37 acBigger

Bigger than 15% of homes nearby

Year built1957
OlderTypical 1968Newer

Newer than 38% of homes nearby

How 21 Gardner Ave ranks against every home in each area.
MeasureThis homeAttleboro 02703Bristol County
Estimated valuepricier than$448,55026% of homes29% of homes
Price per ft²pricier than$34853% of homes53% of homes
Living areabigger than1,290 ft²32% of homes28% of homes
Lot sizebigger than0.19 ac15% of homes27% of homes
Year builtnewer than195738% of homes41% of homes

About 21 Gardner Ave

How much is 21 Gardner Ave, Attleboro, MA worth?

The TopHap Estimate for 21 Gardner Ave, Attleboro, MA is $448,550 as of Sep 24, 2026. The likely range is $423,816 to $473,284. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Gardner Ave, Attleboro, MA last sell?

21 Gardner Ave, Attleboro, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Gardner Ave, Attleboro, MA?

21 Gardner Ave, Attleboro, MA has 3 bedrooms, 1 bathrooms, 1,290 square feet of living space and a 0.20-acre lot.

When was 21 Gardner Ave, Attleboro, MA built?

21 Gardner Ave, Attleboro, MA was built in 1957, making it 69 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Gardner Ave, Attleboro, MA?

21 Gardner Ave, Attleboro, MA is assigned to Robert J. Coelho Middle School (middle), rated B; Hill-Roberts Elementary School (elementary), rated C; Attleboro High School (high), rated C+. All sit in Attleboro School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Gardner Ave, Attleboro, MA compare to other homes in Attleboro 02703?

Among the 13,040 homes in Attleboro 02703, it is worth more than 26% of them ($448,550 against a typical $516,384), its price per square foot is higher than 53% of them ($348 against a typical $343), it is bigger than 32% of them (1,290 ft² against a typical 1,594 ft²), its lot is bigger than 15% of them (0.19 ac against a typical 0.37 ac) and it is newer than 38% of them (1957 against a typical 1968). Measured against all of Bristol County, it is worth more than 29% 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 21 Gardner Ave, Attleboro, MA?

The 2025 property tax bill for 21 Gardner Ave, Attleboro, MA was $4,154. The county assessed it at $331,000.

More homes on Gardner Ave

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Assigned schools

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