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Single Family ResidenceResidential
$544,971$375 / 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

139 SEA ST

HYANNIS, MA 02601
4
Beds
1.5
Baths
1,455 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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

$545K
$517K low$572K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,852 (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.$415,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$132,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$282,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$590,235

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.0.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Hyannis West Elementary SchoolF
Elementary · Grades KG–3 · 1.4 mi
H
Barnstable High SchoolD
High · Grades 8–12 · 1.7 mi
M
Barnstable Intermediate SchoolC
Middle · Grades 6–7 · 1.8 mi

District: Barnstable School District

Neighborhood · ZIP 02601These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.17,417
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,529 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,060
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

139 Sea 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 80% of homes in Barnstable County
  • Costs less per square foot than 84% of homes in Barnstable County
  • Bigger than 66% of homes in Hyannis 02601
  • Has a smaller lot than 97% of homes in Hyannis 02601
  • Older than 97% of homes in Hyannis 02601

What homes are worth in Hyannis 02601

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

This home
$256K$2.5M

This home is worth more than 51% of homes in Hyannis 02601.

How it measures up in Hyannis 02601

The dot is this home. The mark in the middle is the typical home in Hyannis 02601.

Estimated value$544,971
CheaperTypical $542,656Pricier

Pricier than 51% of homes nearby

Price per ft²$375
CheaperTypical $445Pricier

Pricier than 25% of homes nearby

Living area1,455 ft²
SmallerTypical 1,230 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.12 ac
SmallerTypical 0.26 acBigger

Bigger than 3% of homes nearby

Year built1900
OlderTypical 1972Newer

Newer than 3% of homes nearby

How 139 Sea St ranks against every home in each area.
MeasureThis homeHyannis 02601Barnstable County
Estimated valuepricier than$544,97151% of homes20% of homes
Price per ft²pricier than$37525% of homes16% of homes
Living areabigger than1,455 ft²66% of homes43% of homes
Lot sizebigger than0.12 ac3% of homes3% of homes
Year builtnewer than19003% of homes4% of homes

About 139 Sea St

How much is 139 Sea St, Hyannis, MA worth?

The TopHap Estimate for 139 Sea St, Hyannis, MA is $544,971 as of Aug 30, 2026. The likely range is $517,465 to $572,478. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Sea St, Hyannis, MA last sell?

139 Sea St, Hyannis, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 139 Sea St, Hyannis, MA?

139 Sea St, Hyannis, MA has 4 bedrooms, 1.5 bathrooms, 1,455 square feet of living space and a 0.12-acre lot.

When was 139 Sea St, Hyannis, MA built?

139 Sea St, Hyannis, MA was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 139 Sea St, Hyannis, MA?

139 Sea St, Hyannis, MA is assigned to Hyannis West Elementary School (elementary), rated F; Barnstable High School (high), rated D; Barnstable Intermediate School (middle), rated C. All sit in Barnstable School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 Sea St, Hyannis, MA compare to other homes in Hyannis 02601?

Among the 6,494 homes in Hyannis 02601, it is worth more than 51% of them ($544,971 against a typical $542,656), its price per square foot is higher than 25% of them ($375 against a typical $445), it is bigger than 66% of them (1,455 ft² against a typical 1,230 ft²), its lot is bigger than 3% of them (0.12 ac against a typical 0.26 ac) and it is newer than 3% of them (1900 against a typical 1972). Measured against all of Barnstable County, it is worth more than 20% 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 139 Sea St, Hyannis, MA?

The 2025 property tax bill for 139 Sea St, Hyannis, MA was $3,852. The county assessed it at $415,500.

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