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Triplex (3 Units, Any Combination)Residential

421 HIGH ST

DEDHAM, MA 02026
5
Beds
3
Baths
1,666 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1710
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,815 (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.$798,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$361,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$436,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$790,100

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.13 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.Triplex (3 Units, Any Combination)
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.26
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(2)

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 · 0.3 mi
H
Dedham High SchoolB-
High · Grades 9–12 · 0.3 mi
E
AveryC-
Elementary · Grades 1–5 · 0.3 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

421 High 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 oldest 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 area1,666 ft²
SmallerTypical 1,529 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.26 ac
SmallerTypical 0.22 acBigger

Bigger than 61% of homes nearby

Year built1710
OlderTypical 1951Newer

Older than almost all homes nearby

How 421 High St ranks against every home in each area.
MeasureThis homeDedham 02026Norfolk County
Living areabigger than1,666 ft²59% of homes49% of homes
Lot sizebigger than0.26 ac61% of homes37% of homes
Year builtnewer than1710almost no homesalmost no homes

About 421 High St

When did 421 High St, Dedham, MA last sell?

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

How big is 421 High St, Dedham, MA?

421 High St, Dedham, MA has 5 bedrooms, 3 bathrooms, 1,666 square feet of living space and a 0.26-acre lot.

When was 421 High St, Dedham, MA built?

421 High St, Dedham, MA was built in 1710, making it 316 years old. The building has 2 stories.

What schools serve 421 High St, Dedham, MA?

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

How does 421 High St, Dedham, MA compare to other homes in Dedham 02026?

Among the 7,991 homes in Dedham 02026, it is bigger than 59% of them (1,666 ft² against a typical 1,529 ft²), its lot is bigger than 61% of them (0.26 ac against a typical 0.22 ac) and it is newer than almost none of them (1710 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 421 High St, Dedham, MA?

The 2026 property tax bill for 421 High St, Dedham, MA was $9,815. The county assessed it at $798,000.

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