Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$641,338$1,069 / 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
Last sold for $670,000 on Jun 14, 2023

17 21ST ST S

EDGARTOWN, MA 02539
1
Beds
2
Baths
600 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$641K
$579K low$704K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$670,000 · Jun 14, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,645 (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.$663,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$228,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$435,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$628,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$721,685

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.Ranch
CountyDUKES
Lot (acres)The size of the land the home sits on, from county records.0.33
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(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.

H
Martha's Vineyard Regional High SchoolC+
High · Grades 9–12 · 2.1 mi
E
Edgartown Elementary SchoolC
Elementary · Grades PK–8 · 2.3 mi

District: Edgartown School District

Neighborhood · ZIP 02539These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.49%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.6,633
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.123 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,764
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,074
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

17 21st St S 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 least valuable homes in Edgartown 02539
  • Smaller than 98% of homes in Edgartown 02539
  • Has a smaller lot than 79% of homes in Edgartown 02539
  • Older than 79% of homes in Edgartown 02539

What homes are worth in Edgartown 02539

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

This home
$739K$10M

This home is worth less than almost all homes in Edgartown 02539.

How it measures up in Edgartown 02539

The dot is this home. The mark in the middle is the typical home in Edgartown 02539.

Estimated value$641,338
CheaperTypical $1,940,866Pricier

Cheaper than almost all homes nearby

Price per ft²$1069
CheaperTypical $1088Pricier

Pricier than 49% of homes nearby

Living area600 ft²
SmallerTypical 1,904 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.33 ac
SmallerTypical 0.54 acBigger

Bigger than 21% of homes nearby

Year built1970
OlderTypical 1986Newer

Newer than 21% of homes nearby

How 17 21st St S ranks against every home in each area.
MeasureThis homeEdgartown 02539Dukes County
Estimated valuepricier than$641,338almost no homesalmost no homes
Price per ft²pricier than$106949% of homes62% of homes
Living areabigger than600 ft²2% of homes2% of homes
Lot sizebigger than0.33 ac21% of homes30% of homes
Year builtnewer than197021% of homes31% of homes

About 17 21st St S

How much is 17 21st St S, Edgartown, MA worth?

The TopHap Estimate for 17 21st St S, Edgartown, MA is $641,338 as of Sep 24, 2026. The likely range is $578,925 to $703,751. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 21st St S, Edgartown, MA last sell?

17 21st St S, Edgartown, MA last sold on Jun 14, 2023 for $670,000, according to the county's recorded deed.

How big is 17 21st St S, Edgartown, MA?

17 21st St S, Edgartown, MA has 1 bedrooms, 2 bathrooms, 600 square feet of living space and a 0.33-acre lot.

When was 17 21st St S, Edgartown, MA built?

17 21st St S, Edgartown, MA was built in 1970, making it 56 years old. It is a ranch home. The building has 1 story.

What schools serve 17 21st St S, Edgartown, MA?

17 21st St S, Edgartown, MA is assigned to Martha's Vineyard Regional High School (high), rated C+; Edgartown Elementary School (elementary), rated C. All sit in Edgartown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 21st St S, Edgartown, MA compare to other homes in Edgartown 02539?

Among the 4,632 homes in Edgartown 02539, it is worth more than almost none of them ($641,338 against a typical $1,940,866), its price per square foot is higher than 49% of them ($1069 against a typical $1088), it is bigger than 2% of them (600 ft² against a typical 1,904 ft²), its lot is bigger than 21% of them (0.33 ac against a typical 0.54 ac) and it is newer than 21% of them (1970 against a typical 1986). Measured against all of Dukes County, it is worth more than almost no 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 17 21st St S, Edgartown, MA?

The 2026 property tax bill for 17 21st St S, Edgartown, MA was $1,645. The county assessed it at $663,500.

More homes on 21st St S

Closest homes

More homes in Edgartown 02539

Assigned schools

Explore the area

See this home in context

Open 17 21st St S on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map