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Single Family ResidenceResidential
$729,033$584 / 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 90How 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

478 WASHINGTON ST

DEDHAM, MA 02026
3
Beds
1.5
Baths
1,249 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
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

$729K
$653K low$805K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,931 (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.$549,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$317,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$665,190

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.Conventional
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
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
Dedham Middle SchoolB+
Middle · Grades 6–8 · 0.5 mi
H
Dedham High SchoolB
High · Grades 9–12 · 0.7 mi
E
AveryB
Elementary · Grades 1–5 · 0.8 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

478 Washington 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.

  • Costs more per square foot than 84% of homes in Dedham 02026
  • Smaller than 75% of homes in Norfolk County
  • Has a smaller lot than 90% of homes in Norfolk County
  • Older than 74% 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
$394K$2M

This home is worth more than 50% 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$729,033
CheaperTypical $727,204Pricier

Pricier than 50% of homes nearby

Price per ft²$584
CheaperTypical $489Pricier

Pricier than 84% of homes nearby

Living area1,249 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.12 ac
SmallerTypical 0.22 acBigger

Bigger than 15% of homes nearby

Year built1930
OlderTypical 1951Newer

Newer than 35% of homes nearby

How 478 Washington St ranks against every home in each area.
MeasureThis homeDedham 02026Norfolk County
Estimated valuepricier than$729,03350% of homes50% of homes
Price per ft²pricier than$58484% of homes77% of homes
Living areabigger than1,249 ft²27% of homes25% of homes
Lot sizebigger than0.12 ac15% of homes10% of homes
Year builtnewer than193035% of homes26% of homes

About 478 Washington St

How much is 478 Washington St, Dedham, MA worth?

The TopHap Estimate for 478 Washington St, Dedham, MA is $729,033 as of Sep 24, 2026. The likely range is $653,182 to $804,884. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 478 Washington St, Dedham, MA last sell?

478 Washington St, Dedham, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 478 Washington St, Dedham, MA?

478 Washington St, Dedham, MA has 3 bedrooms, 1.5 bathrooms, 1,249 square feet of living space and a 0.12-acre lot.

When was 478 Washington St, Dedham, MA built?

478 Washington St, Dedham, MA was built in 1930, making it 96 years old. It is a conventional home. The building has 2 stories.

What schools serve 478 Washington St, Dedham, MA?

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

How does 478 Washington St, Dedham, MA compare to other homes in Dedham 02026?

Among the 7,991 homes in Dedham 02026, it is worth more than 50% of them ($729,033 against a typical $727,204), its price per square foot is higher than 84% of them ($584 against a typical $489), it is bigger than 27% of them (1,249 ft² against a typical 1,539 ft²), its lot is bigger than 15% of them (0.12 ac against a typical 0.22 ac) and it is newer than 35% of them (1930 against a typical 1951). Measured against all of Norfolk County, it is worth more than 50% 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 478 Washington St, Dedham, MA?

The 2025 property tax bill for 478 Washington St, Dedham, MA was $6,931. The county assessed it at $549,200.

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