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Single Family ResidenceResidential
$534,241$365 / 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 92How 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 $413,000 on Oct 8, 2021

166 UNION ST

YARMOUTH PORT, MA 02675
2
Beds
1.5
Baths
1,464 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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

$534K
$493K low$576K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$413,000 · Oct 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,214 (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.$454,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$313,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$619,590

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.0.25
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(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.

E
Station Avenue Elementary SchoolB+
Elementary · Grades KG–3 · 1.8 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 2.0 mi
H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 2.0 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02675These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.7,017
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.702 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,965
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,980
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

166 Union 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 less than 84% of homes in Yarmouth Port 02675
  • Costs less per square foot than 91% of homes in Yarmouth Port 02675
  • Has a smaller lot than 88% of homes in Yarmouth Port 02675
  • Older than 86% of homes in Yarmouth Port 02675

What homes are worth in Yarmouth Port 02675

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

This home
$310K$1.7M

This home is worth more than 16% of homes in Yarmouth Port 02675.

How it measures up in Yarmouth Port 02675

The dot is this home. The mark in the middle is the typical home in Yarmouth Port 02675.

Estimated value$534,241
CheaperTypical $713,922Pricier

Pricier than 16% of homes nearby

Price per ft²$365
CheaperTypical $480Pricier

Pricier than 9% of homes nearby

Living area1,464 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.25 ac
SmallerTypical 0.41 acBigger

Bigger than 12% of homes nearby

Year built1967
OlderTypical 1983Newer

Newer than 14% of homes nearby

How 166 Union St ranks against every home in each area.
MeasureThis homeYarmouth Port 02675Barnstable County
Estimated valuepricier than$534,24116% of homes19% of homes
Price per ft²pricier than$3659% of homes14% of homes
Living areabigger than1,464 ft²49% of homes45% of homes
Lot sizebigger than0.25 ac12% of homes24% of homes
Year builtnewer than196714% of homes32% of homes

About 166 Union St

How much is 166 Union St, Yarmouth Port, MA worth?

The TopHap Estimate for 166 Union St, Yarmouth Port, MA is $534,241 as of Aug 30, 2026. The likely range is $492,910 to $575,572. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 166 Union St, Yarmouth Port, MA last sell?

166 Union St, Yarmouth Port, MA last sold on Oct 8, 2021 for $413,000, according to the county's recorded deed.

How big is 166 Union St, Yarmouth Port, MA?

166 Union St, Yarmouth Port, MA has 2 bedrooms, 1.5 bathrooms, 1,464 square feet of living space and a 0.25-acre lot.

When was 166 Union St, Yarmouth Port, MA built?

166 Union St, Yarmouth Port, MA was built in 1967, making it 59 years old. It is a ranch home. The building has 1 story.

What schools serve 166 Union St, Yarmouth Port, MA?

166 Union St, Yarmouth Port, MA is assigned to Station Avenue Elementary School (elementary), rated B+; Mattacheese Middle School (middle), rated B-; 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 166 Union St, Yarmouth Port, MA compare to other homes in Yarmouth Port 02675?

Among the 3,941 homes in Yarmouth Port 02675, it is worth more than 16% of them ($534,241 against a typical $713,922), its price per square foot is higher than 9% of them ($365 against a typical $480), it is bigger than 49% of them (1,464 ft² against a typical 1,488 ft²), its lot is bigger than 12% of them (0.25 ac against a typical 0.41 ac) and it is newer than 14% of them (1967 against a typical 1983). Measured against all of Barnstable County, it is worth more than 19% 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 166 Union St, Yarmouth Port, MA?

The 2025 property tax bill for 166 Union St, Yarmouth Port, MA was $3,214. The county assessed it at $454,000.

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