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Single Family ResidenceResidential
$520,712$600 / 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 93How 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 $280,000 on Jul 2, 2013

21 LEWIS BAY RD

WEST YARMOUTH, MA 02673
3
Beds
1
Baths
868 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$521K
$485K low$557K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$280,000 · Jul 2, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,109 (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.$439,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$250,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$188,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$439,100

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%
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.0.2 percent flood zone

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.Ranch
CountyBarnstable
Lot (acres)The size of the land the home sits on, from county records.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 2.3 mi
E
Marguerite E. Small Elementary SchoolC+
Elementary · Grades PK–3 · 2.4 mi
H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 3.4 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02673These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.65%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.9,344
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.797 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,652
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,335
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

21 Lewis Bay Rd 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 84% of homes in Barnstable County
  • Costs more per square foot than 80% of homes in West Yarmouth 02673
  • Smaller than 89% of homes in Barnstable County
  • Has a smaller lot than 94% of homes in Barnstable County
  • Older than 84% of homes in Barnstable County

What homes are worth in West Yarmouth 02673

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

This home
$111K$2.1M

This home is worth more than 40% of homes in West Yarmouth 02673.

How it measures up in West Yarmouth 02673

The dot is this home. The mark in the middle is the typical home in West Yarmouth 02673.

Estimated value$520,712
CheaperTypical $551,102Pricier

Pricier than 40% of homes nearby

Price per ft²$600
CheaperTypical $477Pricier

Pricier than 80% of homes nearby

Living area868 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.15 ac
SmallerTypical 0.26 acBigger

Bigger than 10% of homes nearby

Year built1950
OlderTypical 1970Newer

Newer than 17% of homes nearby

How 21 Lewis Bay Rd ranks against every home in each area.
MeasureThis homeWest Yarmouth 02673Barnstable County
Estimated valuepricier than$520,71240% of homes16% of homes
Price per ft²pricier than$60080% of homes69% of homes
Living areabigger than868 ft²18% of homes11% of homes
Lot sizebigger than0.15 ac10% of homes6% of homes
Year builtnewer than195017% of homes16% of homes

About 21 Lewis Bay Rd

How much is 21 Lewis Bay Rd, West Yarmouth, MA worth?

The TopHap Estimate for 21 Lewis Bay Rd, West Yarmouth, MA is $520,712 as of Sep 24, 2026. The likely range is $484,659 to $556,765. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Lewis Bay Rd, West Yarmouth, MA last sell?

21 Lewis Bay Rd, West Yarmouth, MA last sold on Jul 2, 2013 for $280,000, according to the county's recorded deed.

How big is 21 Lewis Bay Rd, West Yarmouth, MA?

21 Lewis Bay Rd, West Yarmouth, MA has 3 bedrooms, 1 bathrooms, 868 square feet of living space and a 0.15-acre lot.

When was 21 Lewis Bay Rd, West Yarmouth, MA built?

21 Lewis Bay Rd, West Yarmouth, MA was built in 1950, making it 76 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Lewis Bay Rd, West Yarmouth, MA?

21 Lewis Bay Rd, West Yarmouth, MA is assigned to Mattacheese Middle School (middle), rated B-; Marguerite E. Small Elementary School (elementary), rated C+; Dennis Yarmouth Regional High School (high), rated C. All sit in Dennis-Yarmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Lewis Bay Rd, West Yarmouth, MA compare to other homes in West Yarmouth 02673?

Among the 6,057 homes in West Yarmouth 02673, it is worth more than 40% of them ($520,712 against a typical $551,102), its price per square foot is higher than 80% of them ($600 against a typical $477), it is bigger than 18% of them (868 ft² against a typical 1,232 ft²), its lot is bigger than 10% of them (0.15 ac against a typical 0.26 ac) and it is newer than 17% of them (1950 against a typical 1970). Measured against all of Barnstable County, it is worth more than 16% 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 21 Lewis Bay Rd, West Yarmouth, MA?

The 2025 property tax bill for 21 Lewis Bay Rd, West Yarmouth, MA was $3,109. The county assessed it at $439,100.

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