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Single Family ResidenceResidential
$622,594$344 / 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 Aug 30, 2026

20 ASTER LN

MARSTONS MILLS, MA 02648
4
Beds
2
Baths
1,808 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$623K
$589K low$657K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,771 (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.$589,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$154,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$434,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$616,835

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.15 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyBARNSTABLE
Lot (acres)The size of the land the home sits on, from county records.0.43
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
West Villages Elementary SchoolA
Elementary · Grades KG–3 · 2.3 mi
M
Barnstable Intermediate SchoolC
Middle · Grades 6–7 · 5.7 mi
H
Barnstable High SchoolD
High · Grades 8–12 · 5.8 mi

District: Barnstable School District

Neighborhood · ZIP 02648These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.7,585
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.734 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,141
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,532
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%

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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

20 Aster Ln 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.

  • Worth less than 67% of homes in Barnstable County
  • Costs less per square foot than 90% of homes in Barnstable County
  • Has a smaller lot than 87% of homes in Marstons Mills 02648
  • Newer than 79% of homes in Marstons Mills 02648

What homes are worth in Marstons Mills 02648

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

This home
$424K$2M

This home is worth more than 44% of homes in Marstons Mills 02648.

How it measures up in Marstons Mills 02648

The dot is this home. The mark in the middle is the typical home in Marstons Mills 02648.

Estimated value$622,594
CheaperTypical $646,780Pricier

Pricier than 44% of homes nearby

Price per ft²$344
CheaperTypical $416Pricier

Pricier than 14% of homes nearby

Living area1,808 ft²
SmallerTypical 1,627 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.43 ac
SmallerTypical 0.57 acBigger

Bigger than 13% of homes nearby

Year built1990
OlderTypical 1984Newer

Newer than 79% of homes nearby

How 20 Aster Ln ranks against every home in each area.
MeasureThis homeMarstons Mills 02648Barnstable County
Estimated valuepricier than$622,59444% of homes33% of homes
Price per ft²pricier than$34414% of homes10% of homes
Living areabigger than1,808 ft²61% of homes63% of homes
Lot sizebigger than0.43 ac13% of homes49% of homes
Year builtnewer than199079% of homes78% of homes

About 20 Aster Ln

How much is 20 Aster Ln, Marstons Mills, MA worth?

The TopHap Estimate for 20 Aster Ln, Marstons Mills, MA is $622,594 as of Aug 30, 2026. The likely range is $588,521 to $656,667. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Aster Ln, Marstons Mills, MA last sell?

20 Aster Ln, Marstons Mills, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Aster Ln, Marstons Mills, MA?

20 Aster Ln, Marstons Mills, MA has 4 bedrooms, 2 bathrooms, 1,808 square feet of living space and a 0.43-acre lot.

When was 20 Aster Ln, Marstons Mills, MA built?

20 Aster Ln, Marstons Mills, MA was built in 1990, making it 36 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Aster Ln, Marstons Mills, MA?

20 Aster Ln, Marstons Mills, MA is assigned to West Villages Elementary School (elementary), rated A; Barnstable Intermediate School (middle), rated C; Barnstable High School (high), rated D. All sit in Barnstable School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Aster Ln, Marstons Mills, MA compare to other homes in Marstons Mills 02648?

Among the 3,166 homes in Marstons Mills 02648, it is worth more than 44% of them ($622,594 against a typical $646,780), its price per square foot is higher than 14% of them ($344 against a typical $416), it is bigger than 61% of them (1,808 ft² against a typical 1,627 ft²), its lot is bigger than 13% of them (0.43 ac against a typical 0.57 ac) and it is newer than 79% of them (1990 against a typical 1984). Measured against all of Barnstable County, it is worth more than 33% 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 20 Aster Ln, Marstons Mills, MA?

The 2025 property tax bill for 20 Aster Ln, Marstons Mills, MA was $4,771. The county assessed it at $589,800.

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