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Office BuildingCommercial

990 WASHINGTON ST

DEDHAM, MA 02026
9
Baths
152,821 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.
2.76 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.
3
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$623,865 (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.$24,455,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,087,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,368,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$21,828,600

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.3 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.Office Building
StyleThe architectural style of the home, such as ranch or colonial.High Rise
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.2.76
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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.

M
Dedham Middle SchoolB-
Middle · Grades 6–8 · 1.4 mi
H
Dedham High SchoolB-
High · Grades 9–12 · 1.6 mi
E
OakdaleB+
Elementary · Grades 1–5 · 1.7 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

990 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.

  • Among the largest homes in Dedham 02026
  • Has a bigger lot than 97% of homes in Dedham 02026
  • Newer than 84% 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.

Living area152,821 ft²
SmallerTypical 1,531 ft²Bigger

Bigger than almost all homes nearby

Lot size2.76 ac
SmallerTypical 0.22 acBigger

Bigger than 97% of homes nearby

Year built1975
OlderTypical 1951Newer

Newer than 84% of homes nearby

How 990 Washington St ranks against every home in each area.
MeasureThis homeDedham 02026Norfolk County
Living areabigger than152,821 ft²almost all homesalmost all homes
Lot sizebigger than2.76 ac97% of homes91% of homes
Year builtnewer than197584% of homes68% of homes

About 990 Washington St

When did 990 Washington St, Dedham, MA last sell?

990 Washington St, Dedham, MA last sold on Jul 9, 2010, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 990 Washington St, Dedham, MA?

990 Washington St, Dedham, MA has 9 bathrooms, 152,821 square feet of living space and a 2.76-acre lot.

When was 990 Washington St, Dedham, MA built?

990 Washington St, Dedham, MA was built in 1975, making it 51 years old. It is a high rise home. The building has 3 stories.

What schools serve 990 Washington St, Dedham, MA?

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

How does 990 Washington St, Dedham, MA compare to other homes in Dedham 02026?

Among the 7,991 homes in Dedham 02026, it is bigger than almost all of them (152,821 ft² against a typical 1,531 ft²), its lot is bigger than 97% of them (2.76 ac against a typical 0.22 ac) and it is newer than 84% of them (1975 against a typical 1951). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 990 Washington St, Dedham, MA?

The 2026 property tax bill for 990 Washington St, Dedham, MA was $623,865. The county assessed it at $24,455,700.

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