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Single Family ResidenceResidential
$876,118$427 / 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 94How 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 $297,500 on Mar 28, 2011

70 ROSA LN

MARSTONS MILLS, MA 02648
3
Beds
1.5
Baths
2,053 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.
2.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1800
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

$876K
$821K low$932K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$297,500 · Mar 28, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,545 (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.$685,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$193,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$492,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$628,140

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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.Conventional
CountyBARNSTABLE
Lot (acres)The size of the land the home sits on, from county records.2.19
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(4)

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
West Villages Elementary SchoolB+
Elementary · Grades KG–3 · 1.7 mi
M
Barnstable Intermediate SchoolD
Middle · Grades 6–7 · 5.2 mi
H
Barnstable High SchoolD
High · Grades 8–12 · 5.2 mi

District: Barnstable School District

Neighborhood · ZIP 02648These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
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.7,585
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.734 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,141
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,532
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

70 Rosa 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 more than 79% of homes in Marstons Mills 02648
  • Costs less per square foot than 71% of homes in Barnstable County
  • Bigger than 72% of homes in Marstons Mills 02648
  • Has a bigger lot than 97% of homes in Barnstable County
  • Among the oldest homes in Marstons Mills 02648

What homes are worth in Marstons Mills 02648

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

This home
$409K$2.5M

This home is worth more than 79% of homes in Marstons Mills 02648.

How it measures up in Marstons Mills 02648

The dot is this home. The mark in the middle is the typical home in Marstons Mills 02648.

Estimated value$876,118
CheaperTypical $664,801Pricier

Pricier than 79% of homes nearby

Price per ft²$427
CheaperTypical $434Pricier

Pricier than 47% of homes nearby

Living area2,053 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than 72% of homes nearby

Lot size2.19 ac
SmallerTypical 0.56 acBigger

Bigger than 96% of homes nearby

Year built1800
OlderTypical 1984Newer

Older than almost all homes nearby

How 70 Rosa Ln ranks against every home in each area.
MeasureThis homeMarstons Mills 02648Barnstable County
Estimated valuepricier than$876,11879% of homes62% of homes
Price per ft²pricier than$42747% of homes29% of homes
Living areabigger than2,053 ft²72% of homes72% of homes
Lot sizebigger than2.19 ac96% of homes97% of homes
Year builtnewer than1800almost no homesalmost no homes

About 70 Rosa Ln

How much is 70 Rosa Ln, Marstons Mills, MA worth?

The TopHap Estimate for 70 Rosa Ln, Marstons Mills, MA is $876,118 as of Sep 24, 2026. The likely range is $820,652 to $931,584. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 70 Rosa Ln, Marstons Mills, MA last sell?

70 Rosa Ln, Marstons Mills, MA last sold on Mar 28, 2011 for $297,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 70 Rosa Ln, Marstons Mills, MA?

70 Rosa Ln, Marstons Mills, MA has 3 bedrooms, 1.5 bathrooms, 2,053 square feet of living space and a 2.19-acre lot.

When was 70 Rosa Ln, Marstons Mills, MA built?

70 Rosa Ln, Marstons Mills, MA was built in 1800, making it 226 years old. It is a conventional home. The building has 2 stories.

What schools serve 70 Rosa Ln, Marstons Mills, MA?

70 Rosa Ln, Marstons Mills, MA is assigned to West Villages Elementary School (elementary), rated B+; Barnstable Intermediate School (middle), rated D; Barnstable High School (high), rated D. All sit in Barnstable School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 70 Rosa Ln, Marstons Mills, MA compare to other homes in Marstons Mills 02648?

Among the 3,167 homes in Marstons Mills 02648, it is worth more than 79% of them ($876,118 against a typical $664,801), its price per square foot is higher than 47% of them ($427 against a typical $434), it is bigger than 72% of them (2,053 ft² against a typical 1,630 ft²), its lot is bigger than 96% of them (2.19 ac against a typical 0.56 ac) and it is newer than almost none of them (1800 against a typical 1984). Measured against all of Barnstable County, it is worth more than 62% 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 70 Rosa Ln, Marstons Mills, MA?

The 2025 property tax bill for 70 Rosa Ln, Marstons Mills, MA was $5,545. The county assessed it at $685,400.

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