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Single Family ResidenceResidential
$765,312$452 / 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 Aug 30, 2026
Last sold for $395,000 on Jan 30, 2020

18 ROBERT ST

SOUTH YARMOUTH, MA 02664
3
Beds
2.5
Baths
1,695 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$765K
$691K low$840K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$395,000 · Jan 30, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,026 (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.$568,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$182,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$386,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$590,995

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.0.37
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
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(12)

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 · 0.2 mi
E
Station Avenue Elementary SchoolB+
Elementary · Grades KG–3 · 0.4 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 2.5 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

18 Robert 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.

  • Worth more than 69% of homes in South Yarmouth 02664
  • Costs less per square foot than 82% of homes in South Yarmouth 02664
  • Bigger than 76% of homes in South Yarmouth 02664
  • Has a bigger lot than 73% of homes in South Yarmouth 02664
  • Older than 82% of homes in South Yarmouth 02664

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
$341K$2.1M

This home is worth more than 69% 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$765,312
CheaperTypical $670,779Pricier

Pricier than 69% of homes nearby

Price per ft²$452
CheaperTypical $550Pricier

Pricier than 18% of homes nearby

Living area1,695 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.37 ac
SmallerTypical 0.29 acBigger

Bigger than 73% of homes nearby

Year built1954
OlderTypical 1968Newer

Newer than 18% of homes nearby

How 18 Robert St ranks against every home in each area.
MeasureThis homeSouth Yarmouth 02664Barnstable County
Estimated valuepricier than$765,31269% of homes53% of homes
Price per ft²pricier than$45218% of homes37% of homes
Living areabigger than1,695 ft²76% of homes57% of homes
Lot sizebigger than0.37 ac73% of homes42% of homes
Year builtnewer than195418% of homes18% of homes

About 18 Robert St

How much is 18 Robert St, South Yarmouth, MA worth?

The TopHap Estimate for 18 Robert St, South Yarmouth, MA is $765,312 as of Aug 30, 2026. The likely range is $690,719 to $839,905. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Robert St, South Yarmouth, MA last sell?

18 Robert St, South Yarmouth, MA last sold on Jan 30, 2020 for $395,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18 Robert St, South Yarmouth, MA?

18 Robert St, South Yarmouth, MA has 3 bedrooms, 2.5 bathrooms, 1,695 square feet of living space and a 0.37-acre lot.

When was 18 Robert St, South Yarmouth, MA built?

18 Robert St, South Yarmouth, MA was built in 1954, making it 72 years old. It is a ranch home. The building has 2 stories.

What schools serve 18 Robert St, South Yarmouth, MA?

18 Robert St, 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 18 Robert St, 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 69% of them ($765,312 against a typical $670,779), its price per square foot is higher than 18% of them ($452 against a typical $550), it is bigger than 76% of them (1,695 ft² against a typical 1,296 ft²), its lot is bigger than 73% of them (0.37 ac against a typical 0.29 ac) and it is newer than 18% of them (1954 against a typical 1968). Measured against all of Barnstable County, it is worth more than 53% 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 18 Robert St, South Yarmouth, MA?

The 2025 property tax bill for 18 Robert St, South Yarmouth, MA was $4,026. The county assessed it at $568,700.

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