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Single Family ResidenceResidential
$1,322,958$595 / 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 Sep 24, 2026
Last sold for $653,000 on Jul 27, 2007

331 MAIN ST

HARWICH, MA 02645
3
Beds
2.5
Baths
2,223 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.
2.31 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$653,000 · Jul 27, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,922 (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.$1,002,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$311,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$690,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,012,890

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.29 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Cape Cod
CountyBARNSTABLE
Lot (acres)The size of the land the home sits on, from county records.2.31
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Harwich Elementary SchoolB
Elementary · Grades PK–4 · 1.3 mi
H
Monomoy Regional High SchoolB-
High · Grades 8–12 · 2.1 mi
M
Monomoy Regional Middle SchoolB
Middle · Grades 5–7 · 7.0 mi

District: Monomoy Regional School District

Neighborhood · ZIP 02645These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.72%
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.3.9%
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.10,500
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.570 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,111
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,346
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

331 Main 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 90% of homes in Harwich 02645
  • Costs more per square foot than 82% of homes in Harwich 02645
  • Bigger than 81% of homes in Harwich 02645
  • Has a bigger lot than 98% of homes in Harwich 02645
  • Newer than 93% of homes in Barnstable County

What homes are worth in Harwich 02645

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

This home
$372K$2.2M

This home is worth more than 90% of homes in Harwich 02645.

How it measures up in Harwich 02645

The dot is this home. The mark in the middle is the typical home in Harwich 02645.

Estimated value$1,322,958
CheaperTypical $735,129Pricier

Pricier than 90% of homes nearby

Price per ft²$595
CheaperTypical $499Pricier

Pricier than 82% of homes nearby

Living area2,223 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 81% of homes nearby

Lot size2.31 ac
SmallerTypical 0.42 acBigger

Bigger than 98% of homes nearby

Year built2005
OlderTypical 1980Newer

Newer than 92% of homes nearby

How 331 Main St ranks against every home in each area.
MeasureThis homeHarwich 02645Barnstable County
Estimated valuepricier than$1,322,95890% of homes83% of homes
Price per ft²pricier than$59582% of homes68% of homes
Living areabigger than2,223 ft²81% of homes78% of homes
Lot sizebigger than2.31 ac98% of homes97% of homes
Year builtnewer than200592% of homes93% of homes

About 331 Main St

How much is 331 Main St, Harwich, MA worth?

The TopHap Estimate for 331 Main St, Harwich, MA is $1,322,958 as of Sep 24, 2026. The likely range is $1,215,696 to $1,430,220. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 331 Main St, Harwich, MA last sell?

331 Main St, Harwich, MA last sold on Jul 27, 2007 for $653,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 331 Main St, Harwich, MA?

331 Main St, Harwich, MA has 3 bedrooms, 2.5 bathrooms, 2,223 square feet of living space and a 2.31-acre lot.

When was 331 Main St, Harwich, MA built?

331 Main St, Harwich, MA was built in 2005, making it 21 years old. It is a cape cod home. The building has 2 stories.

What schools serve 331 Main St, Harwich, MA?

331 Main St, Harwich, MA is assigned to Harwich Elementary School (elementary), rated B; Monomoy Regional High School (high), rated B-; Monomoy Regional Middle School (middle), rated B. All sit in Monomoy Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 331 Main St, Harwich, MA compare to other homes in Harwich 02645?

Among the 6,344 homes in Harwich 02645, it is worth more than 90% of them ($1,322,958 against a typical $735,129), its price per square foot is higher than 82% of them ($595 against a typical $499), it is bigger than 81% of them (2,223 ft² against a typical 1,568 ft²), its lot is bigger than 98% of them (2.31 ac against a typical 0.42 ac) and it is newer than 92% of them (2005 against a typical 1980). Measured against all of Barnstable County, it is worth more than 83% 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 331 Main St, Harwich, MA?

The 2025 property tax bill for 331 Main St, Harwich, MA was $5,922. The county assessed it at $1,002,000.

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