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Single Family ResidenceResidential
$593,611$651 / 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 85How 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

4 MARS LN

SOUTH YARMOUTH, MA 02664
3
Beds
1
Baths
912 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$594K
$505K low$682K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,976 (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.$420,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$177,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$242,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$494,000

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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.64%
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.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 1.1 mi
E
Station Avenue Elementary SchoolB+
Elementary · Grades KG–3 · 1.2 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02664These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.10,036
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,247 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,867
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,512
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

4 Mars 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 74% of homes in South Yarmouth 02664
  • Costs more per square foot than 76% of homes in South Yarmouth 02664
  • Smaller than 88% of homes in Barnstable County
  • Has a smaller lot than 80% of homes in Barnstable County
  • Older than 70% of homes in Barnstable County

What homes are worth in South Yarmouth 02664

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

This home
$327K$2M

This home is worth more than 26% of homes in South Yarmouth 02664.

How it measures up in South Yarmouth 02664

The dot is this home. The mark in the middle is the typical home in South Yarmouth 02664.

Estimated value$593,611
CheaperTypical $671,643Pricier

Pricier than 26% of homes nearby

Price per ft²$651
CheaperTypical $549Pricier

Pricier than 76% of homes nearby

Living area912 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.24 ac
SmallerTypical 0.28 acBigger

Bigger than 25% of homes nearby

Year built1965
OlderTypical 1968Newer

Newer than 46% of homes nearby

How 4 Mars Ln ranks against every home in each area.
MeasureThis homeSouth Yarmouth 02664Barnstable County
Estimated valuepricier than$593,61126% of homes28% of homes
Price per ft²pricier than$65176% of homes76% of homes
Living areabigger than912 ft²17% of homes12% of homes
Lot sizebigger than0.24 ac25% of homes20% of homes
Year builtnewer than196546% of homes30% of homes

About 4 Mars Ln

How much is 4 Mars Ln, South Yarmouth, MA worth?

The TopHap Estimate for 4 Mars Ln, South Yarmouth, MA is $593,611 as of Aug 30, 2026. The likely range is $504,751 to $682,471. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Mars Ln, South Yarmouth, MA last sell?

4 Mars Ln, South Yarmouth, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Mars Ln, South Yarmouth, MA?

4 Mars Ln, South Yarmouth, MA has 3 bedrooms, 1 bathrooms, 912 square feet of living space and a 0.24-acre lot.

When was 4 Mars Ln, South Yarmouth, MA built?

4 Mars Ln, South Yarmouth, MA was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 4 Mars Ln, South Yarmouth, MA?

4 Mars Ln, South Yarmouth, MA is assigned to Dennis Yarmouth Regional High School (high), rated C; Station Avenue Elementary School (elementary), rated B+; Mattacheese Middle School (middle), rated B-. All sit in Dennis-Yarmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Mars Ln, South Yarmouth, MA compare to other homes in South Yarmouth 02664?

Among the 6,149 homes in South Yarmouth 02664, it is worth more than 26% of them ($593,611 against a typical $671,643), its price per square foot is higher than 76% of them ($651 against a typical $549), it is bigger than 17% of them (912 ft² against a typical 1,296 ft²), its lot is bigger than 25% of them (0.24 ac against a typical 0.28 ac) and it is newer than 46% of them (1965 against a typical 1968). Measured against all of Barnstable County, it is worth more than 28% 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 4 Mars Ln, South Yarmouth, MA?

The 2025 property tax bill for 4 Mars Ln, South Yarmouth, MA was $2,976. The county assessed it at $420,300.

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