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Single Family ResidenceResidential
$761,529$471 / 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 Sep 24, 2026
Last sold for $650,000 on Jun 28, 2021

21 WHITEHALL ST

DEDHAM, MA 02026
3
Beds
1.5
Baths
1,618 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$762K
$727K low$796K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Jun 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,178 (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.$746,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$343,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$402,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$662,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$752,110

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
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.46
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.

E
AveryC-
Elementary · Grades 1–5 · 0.8 mi
H
Dedham High SchoolB-
High · Grades 9–12 · 0.9 mi
M
Dedham Middle SchoolB-
Middle · Grades 6–8 · 1.1 mi

District: Dedham School District

Neighborhood · ZIP 02026These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.25,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,390 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,985
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,542
Average tempThe average temperature here across a full year.49°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 Whitehall 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.

  • Has a bigger lot than 86% of homes in Dedham 02026
  • Older than 79% of homes in Norfolk County

What homes are worth in Dedham 02026

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

This home
$398K$2M

This home is worth more than 57% of homes in Dedham 02026.

How it measures up in Dedham 02026

The dot is this home. The mark in the middle is the typical home in Dedham 02026.

Estimated value$761,529
CheaperTypical $729,789Pricier

Pricier than 57% of homes nearby

Price per ft²$471
CheaperTypical $489Pricier

Pricier than 39% of homes nearby

Living area1,618 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.46 ac
SmallerTypical 0.22 acBigger

Bigger than 86% of homes nearby

Year built1925
OlderTypical 1951Newer

Newer than 28% of homes nearby

How 21 Whitehall St ranks against every home in each area.
MeasureThis homeDedham 02026Norfolk County
Estimated valuepricier than$761,52957% of homes54% of homes
Price per ft²pricier than$47139% of homes57% of homes
Living areabigger than1,618 ft²56% of homes47% of homes
Lot sizebigger than0.46 ac86% of homes57% of homes
Year builtnewer than192528% of homes21% of homes

About 21 Whitehall St

How much is 21 Whitehall St, Dedham, MA worth?

The TopHap Estimate for 21 Whitehall St, Dedham, MA is $761,529 as of Sep 24, 2026. The likely range is $727,159 to $795,899. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Whitehall St, Dedham, MA last sell?

21 Whitehall St, Dedham, MA last sold on Jun 28, 2021 for $650,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 21 Whitehall St, Dedham, MA?

21 Whitehall St, Dedham, MA has 3 bedrooms, 1.5 bathrooms, 1,618 square feet of living space and a 0.46-acre lot.

When was 21 Whitehall St, Dedham, MA built?

21 Whitehall St, Dedham, MA was built in 1925, making it 101 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Whitehall St, Dedham, MA?

21 Whitehall St, Dedham, MA is assigned to Avery (elementary), rated C-; Dedham High School (high), rated B-; Dedham Middle School (middle), rated B-. All sit in Dedham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Whitehall St, Dedham, MA compare to other homes in Dedham 02026?

Among the 7,991 homes in Dedham 02026, it is worth more than 57% of them ($761,529 against a typical $729,789), its price per square foot is higher than 39% of them ($471 against a typical $489), it is bigger than 56% of them (1,618 ft² against a typical 1,536 ft²), its lot is bigger than 86% of them (0.46 ac against a typical 0.22 ac) and it is newer than 28% of them (1925 against a typical 1951). Measured against all of Norfolk 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 21 Whitehall St, Dedham, MA?

The 2026 property tax bill for 21 Whitehall St, Dedham, MA was $9,178. The county assessed it at $746,200.

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Assigned schools

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